{"title":"Surface Characterization","description":"\u003chr\u003e\n\u003cp class=\"text-center\"\u003e\u003ca href=\"#buy\"\u003eSurface characterization equipment\u003c\/a\u003e | \u003ca href=\"#substrates-fabrication\"\u003eSubstrates and fabrication\u003c\/a\u003e | \u003ca href=\"#technical-support\"\u003eTechnical Support\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eAccurate and reliable surface characterization is essential across many applications. In coatings, it is important to characterize the properties of new materials (sometimes in both liquid and solid form depending on the application), evalute surface modification, or optimize adhesion and wettability. For electrical characterization of thin films, wafers, and materials, sheet resistance measurements, made simple with a four-point probe system, are critical.\u003c\/p\u003e\n\u003cp\u003eChoose surface characterization equipment from Ossila to equip your lab ready for high performance analysis at an accessible price.\u003c\/p\u003e\n\u003ch2 id=\"buy\"\u003eBuy Surface Characterization Equipment\u003c\/h2\u003e\n\u003chr\u003e\n\u003cp\u003e[[collection handle=\"surface-characterization\"]]\u003c\/p\u003e\n\u003cdiv class=\"featured-product align-left light-blue-background round-bottom\"\u003e\n\u003cdiv class=\"fade-section\"\u003e\n\u003ca href=\"https:\/\/www.ossila.com\/products\/four-point-probe-system?variant=49564303360216\"\u003e\n\u003cimg width=\"360\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-screen.jpg?width=360\u0026amp;height=400\u0026amp;crop=center\" loading=\"lazy\" height=\"400\" class=\"fade-element round-corners gradual-transition full-opacity\" alt=\"Ossila Four-Point Probe\"\u003e \u003cimg width=\"360\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-reflection.jpg?width=360\u0026amp;height=400\u0026amp;crop=center\" loading=\"lazy\" height=\"400\" class=\"fade-element round-corners gradual-transition\" alt=\"Soft- or sharp-tipped probes\"\u003e \u003cimg width=\"360\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-set-up.jpg?width=360\u0026amp;height=400\u0026amp;crop=center\" loading=\"lazy\" height=\"400\" class=\"fade-element round-corners gradual-transition\" alt=\"Control interface\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"featured-product-info\"\u003e\n\u003ca href=\"https:\/\/www.ossila.com\/products\/four-point-probe-system?variant=49564303360216\" class=\"h1\"\u003eThe Four-Point Probe Plus\u003c\/a\u003e\n\u003cp\u003eQuickly measure sheet resistance, resistivity, and conductivity of your thin films right on your lab bench, even when you have no access to a PC.\u003c\/p\u003e\n\u003cp\u003eFor sheet resistance measurements, simply load in your sample and press go. Inputting the sample dimensions enables the system to also measure conductivity and resistivity while outputting real-time data of current and voltage between the outer pins and the voltage between the inner pins.\u003c\/p\u003e\n\u003cp\u003eAs with the Original model, the Four-Point Probe Plus is available with your choice of soft-tipped or sharp-tipped probes to suit your samples.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.ossila.com\/products\/four-point-probe-system?variant=49564303360216\" class=\"featured-product-button\"\u003eOrder now\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"featured-product align-right light-green-background round-bottom\"\u003e\n\u003cdiv class=\"fade-section\"\u003e\u003ca href=\"https:\/\/www.ossila.com\/products\/contact-angle-goniometer\"\u003e\n\u003cimg width=\"360\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-close-up.jpg?width=360\u0026amp;height=400\u0026amp;crop=center\" loading=\"lazy\" height=\"400\" class=\"fade-element round-corners\" alt=\"Contact angle measurement in progress\"\u003e \n\u003cimg width=\"360\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-camera-view.jpg?width=360\u0026amp;height=400\u0026amp;crop=center\" loading=\"lazy\" height=\"400\" class=\"fade-element round-corners\" alt=\"High definition camera for analyis\"\u003e\n\u003cimg width=\"360\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-in-use.jpg?width=360\u0026amp;height=400\u0026amp;crop=left\" loading=\"lazy\" height=\"400\" class=\"fade-element round-corners\" alt=\"Ossila Contact Angle Goniometer\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"featured-product-info\"\u003e\n\u003ca href=\"https:\/\/www.ossila.com\/products\/contact-angle-goniometer\" class=\"h1\"\u003eThe Ossila Contact Angle Goniometer\u003c\/a\u003e\n\u003cp\u003eFor efficient ink and coating optimization, choose the Ossila Contact Angle Goniometer. The affordable system equips your lab with intuitive PC software, high quality video, and rapid image capture.\u003c\/p\u003e\n\u003cp\u003eThe high-resolution camera captures up to 30 frames per second and the manual focusing lens gives you full control over image sharpness. Using the monochromatic backlight, the software accurately detects the droplet edge. With two modes, the complete software is capable of recording and analysis, both surface tension and contact, for full characterization.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.ossila.com\/products\/contact-angle-goniometer\" class=\"featured-product-button\"\u003eBuy now\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 id=\"substrates-fabrication\"\u003eSubstrates and Fabrication\u003c\/h2\u003e\n\u003chr\u003e\n\u003cp\u003e[[collection handle=\"substrates-and-fabrication\" tags=\"substrate\" limit=\"15\"]]\u003c\/p\u003e\n\u003cp\u003e\u003ca class=\"secondary-link-banner\" href=\"https:\/\/www.ossila.com\/collections\/substrates-and-fabrication\" title=\"All substrates and fabrication products\"\u003eBrowse all substrates \u0026amp; fabrication supplies\u003csvg class=\"icon icon-navigate_next\"\u003e \u003cuse href=\"#icon-chevron-right\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2 id=\"technical-support\"\u003eTechnical Support\u003c\/h2\u003e\n\u003chr\u003e\n\u003cp\u003e[[contact]]\u003c\/p\u003e","products":[{"product_id":"four-point-probe-system","title":"Four-Point Probe","description":"\u003ch2 id=\"product-oneliner\"\u003eQuick, Easy \u0026amp; Reliable Sheet Resistance Measurements\u003c\/h2\u003e\n\u003cp class=\"text-center\"\u003ePrecision system with interchangeable probes to adapt to your samples\u003c\/p\u003e\n\u003chr\u003e\n\u003cp class=\"text-center\"\u003e\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e | \u003ca href=\"#specification\"\u003eSpecifications\u003c\/a\u003e | \u003ca href=\"#features\"\u003eFeatures\u003c\/a\u003e | \u003ca href=\"#gallery\"\u003eGallery\u003c\/a\u003e | \u003ca href=\"#software\"\u003eSoftware\u003c\/a\u003e | \u003ca href=\"#included\"\u003eIn the Box\u003c\/a\u003e | \u003ca href=\"#accessories\"\u003eRelated Products\u003c\/a\u003e | \u003ca href=\"#resources\"\u003eResources and Support\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp id=\"overview\"\u003eAccurately measure sheet resistance, resistivity, and conductivity of thin films in seconds using the Ossila Four-Point Probe. With two probe types available, you can get the most out of your four-point probe station:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSoft-tipped probes are suitable for delicate samples such as organic materials or very thin films. The spring-loaded, rounded contacts take high quality surface measurements without damaging your sample.\u003c\/li\u003e\n\u003cli\u003eSharp-tipped probes are designed to pierce insulating oxide layers for reliable measurement of hard materials like silicon.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith an in-built display for quick measurements, The Four-Point Probe Plus can provide sheet resistance and conductivity measurements at the touch of a button without connecting to a PC. This is ideal for use inside a glove box. Both models can also be PC controlled with free downloadable software. Choose the four-point probe for rapid and reliable material characterization.\u003c\/p\u003e\n\u003cdiv class=\"info-tip-box\"\u003e\n\u003ch5\u003eMay 2026 Firmware Update\u003c\/h5\u003e\n\u003cp\u003eVersion 1.1.1 of the Four-Point Probe Plus built-in control firmware is now available. This update enables the full 20 μΩ range. We recommend updating at your earliest convenience. For step-by-step instructions, refer to section 7.2.5 of the user manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"row display-flex\"\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg width=\"50\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Wide_resistance_Range.svg?v=1697197697\" loading=\"lazy\" height=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eCharacterize a Wide\u003cbr\u003eRange of Materials\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003eMeasure sheet resistances\u003cbr\u003efrom 100 mΩ\/sq to 10 MΩ\/sq\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg width=\"50\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Voltage.svg?v=1697197768\" loading=\"lazy\" height=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eWide Current and Voltage Range\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003eCurrents from 1 μA to 200 mA, voltages from 100 μV to 10 V\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg width=\"50\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/icon_non_destructive_testing_alt.svg\" loading=\"lazy\" height=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eRound, Spring-Loaded Probes\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003eUniform force of 60 grams protects delicate samples\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg width=\"50\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Surface_Cleaning.svg?v=1718707947\" loading=\"lazy\" height=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eSharp Nickel-Plated\u003cbr\u003eTungsten Carbide Probes\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003ePierce insulating layers with\u003cbr\u003ea maximum force of 197.43 gf\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel panel-default\"\u003e\n\u003cdiv class=\"panel-body\"\u003e\n\u003cimg alt=\"Sheet resistance measurements by NASA\" class=\"float-left no-margin-bottom\" height=\"42\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Ossila_Guarantee_Icons_Clear_Upfront_Pricing.svg\" width=\"38\"\u003e\n\u003cp class=\"no-margin\"\u003eTowards more durable spacecraft: \u003ca href=\"https:\/\/ntrs.nasa.gov\/api\/citations\/20240002413\/downloads\/TM-20240002413.pdf\" rel=\"nofollow\" target=\"_blank\"\u003eNASA\u003c\/a\u003e used the Ossila Four-Point Probe to investigate the effects of space exposure on indium tin oxide coatings through sheet resistance measurements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cvideo width=\"848.328\" title=\"Four Point Probe. Product Overview video\" preload=\"none\" poster=\"https:\/\/cdn.ossila.com\/videos\/Four-Point-Probe-Product-Overview.jpg\" height=\"477.172\" crossorigin=\"\" controlslist=\"nodownload\" controls=\"controls\" class=\"widescreen\"\u003e\n    \u003csource type=\"video\/mp4\" src=\"https:\/\/cdn.ossila.com\/videos\/four-point-probe-product-overview.mp4\"\u003e\n    \u003ctrack srclang=\"en\" src=\"https:\/\/cdn.ossila.com\/videos\/four-point-probe-product-overview.vtt\" label=\"English\" kind=\"subtitles\" default=\"\"\u003e\u003c\/video\u003e \u003cscript type=\"application\/ld+json\"\u003e\n{\n\"@context\": \"https:\/\/schema.org\",\n\"@type\": \"VideoObject\",\n\"name\": \"Four Point Probe Product Overview\",\n\"description\": \"Four Point Probe Product Overview\",\n\"thumbnailUrl\": \"https:\/\/cdn.ossila.com\/videos\/Four-Point-Probe-Product-Overview.jpg\",\n\"uploadDate\": \"2023-04-19\",\n\"contentURL\": \"https:\/\/cdn.ossila.com\/videos\/four-point-probe-product-overview.mp4\",\n\"duration\": \"PT0M55S\"\n}\n\u003c\/script\u003e\u003c\/figure\u003e\n\u003ch2 id=\"specification\"\u003eKey Specifications\u003c\/h2\u003e\n\u003chr\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eApplied Voltage Range\u003c\/th\u003e\n\u003ctd\u003e±10 mV – ±10 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eVoltage Measurement Precision\u003c\/th\u003e\n\u003ctd\u003e±333 μV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eCurrent Measurement Ranges\u003c\/th\u003e\n\u003ctd\u003e±20 μA – ±200 mA (5 ranges)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eSheet Resistance Range\u003c\/th\u003e\n\u003ctd\u003e100 mΩ\/sq – 10 MΩ\/sq\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor more information on the current ranges, see our \u003ca href=\"https:\/\/www.ossila.com\/products\/xtralien-source-measure-unit-source-meter#specification\"\u003eSMU specifications.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eProbe Types\u003c\/h3\u003e\n\u003cp\u003eThe soft-tipped probes reduce the potential of damaging delicate thin films with rounded tips and a larger surface area with a radius of 0.24 mm. The gold-plated probes are mounted on springs to allow them to retract into the probe head when making contact with the sample. This design spreads out the downward force and ensures that a uniform force of 60 grams is applied to the sample. The soft-tipped probes are not suitable for silicon or other materials which naturally form insulating oxide layers.\u003c\/p\u003e\n\u003cp\u003eThe sharped-tipped probes are designed for materials with naturally forming oxide layers, with a tip diameter of 0.08 mm. The sharp tipped probes are capable of piercing through oxide layers, directly contacting materials like silicon. The nickel-plated tungsten carbide probes can apply a maximum force of 197.43 gf to pierce the insulating layer for reliable sample measurements.\u003c\/p\u003e\n\u003cfigure class=\"double-float-left\"\u003e\u003cimg alt=\"Schematic diagram of the probes of the Four-Point Probe Head\" height=\"265\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Four-Point_Probe_Head.svg?v\" width=\"373\"\u003e\n\u003cfigcaption\u003eSoft-tipped probes\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"double-float-right\"\u003e\u003cimg alt=\"Schematic diagram of the probes of the Four-Point Probe Head\" height=\"265\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-soft-tipped-head.svg?v=1682412884\" width=\"373\"\u003e\n\u003cfigcaption\u003eSharp-tipped probes\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cp class=\"text-muted\"\u003ePlease note: Your Ossila Four-Point Probe will require \u003cspan data-olk-copy-source=\"MessageBody\"\u003escreen firmware version 1.1.0 or newer to use\u003c\/span\u003e the sharp-tipped probe head. You can \u003ca href=\"https:\/\/www.ossila.com\/pages\/software-drivers#Firmware-Updater\"\u003edownload the latest firmware\u003c\/a\u003e from our website.\u003c\/p\u003e\n\u003cp class=\"text-muted\"\u003eThe gold plating on the soft-tipped probes can degrade in certain conditions, such as when used in humid environments, or with samples that are corrosive, abbrasive, acidic, etc, especially under electrical load. Gold can also diffuse into certain materials such as copper, aluminium, tin and silicon, especially at high temperatures (which can occur due to resistive heating at high current).\u003c\/p\u003e\n\u003cp class=\"text-muted\"\u003eIf you need a replacement probe head for the T2001A3 model, please \u003ca href=\"\/pages\/contact-us\"\u003econtact us\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eSheet Resistance\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"25%\" class=\"text-center\"\u003eSheet Resistance\u003c\/th\u003e\n\u003cth width=\"25%\" class=\"text-center\"\u003eSMU Accuracy*\u003c\/th\u003e\n\u003cth width=\"25%\" class=\"text-center\"\u003ePrecision\u003c\/th\u003e\n\u003cth width=\"25%\" class=\"text-center\"\u003eMeasured at Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e100 mΩ\/sq\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±8%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±3%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e1 Ω\/sq\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±2%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±0.5%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e10 Ω\/sq\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±1%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±0.5%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e100 Ω\/sq\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±1%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±0.05%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e1 kΩ\/sq\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±1%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±0.03%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e10 kΩ\/sq\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±1%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±0.02%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e2000 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e100 kΩ\/sq\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±2%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±0.05%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e200 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e1 MΩ\/sq\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±8%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±0.5%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e20 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e10 MΩ\/sq\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±30%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e±5%\u003c\/td\u003e\n\u003ctd width=\"25%\" class=\"text-center\"\u003e20 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"text-muted\"\u003e*The probe head can introduce up to 4% additional measurement error.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"#specifications-continued\"\u003eSee more specifications\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2 id=\"features\"\u003eReliably Measure Samples\u003c\/h2\u003e\n\u003chr\u003e\n\u003cdiv class=\"row pad-half-height\"\u003e\n\u003cdiv class=\"col-sm-12 col-md-2\"\u003e\u003cimg width=\"112\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Surface_Cleaning.svg?v=1717677129\" loading=\"lazy\" height=\"112\" alt=\"Soft- or sharp-tipped probes\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-sm-12 col-md-10\"\u003e\n\u003cp class=\"blue-heading\"\u003eChoose Your Probe Tips\u003c\/p\u003e\n\u003cp\u003eEasily switch between soft- or sharp-tipped probe heads depending on your sample type. Soft-tipped probes spread the downward force, and are perfect for measuring delicate thin or organic samples. The sharp-tipped probes can apply a higher maximum force to pierce through insulating oxide layers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row pad-half-height\"\u003e\n\u003cdiv class=\"col-sm-12 col-md-2\"\u003e\u003cimg width=\"112\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Simple_to_use_Software.svg?v=1697547419\" loading=\"lazy\" height=\"112\" alt=\"Simple to Use Interface\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-sm-12 col-md-10\"\u003e\n\u003cp class=\"blue-heading\"\u003eQuick Measurements\u003c\/p\u003e\n\u003cp\u003eWith the plus model, take measurements from your lab bench without connecting to a PC—simply load your sample and press go. Inputting sample dimensions allows you to measure conductivity and resistivity while you can also get real-time data of current and voltage between the outer pins and the voltage between the inner pins.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row pad-half-height\"\u003e\n\u003cdiv class=\"col-sm-12 col-md-2\"\u003e\u003cimg width=\"112\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Accuracy.svg?v=1697194989\" loading=\"lazy\" height=\"112\" alt=\"High accuracy four-point probe\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-sm-12 col-md-10\"\u003e\n\u003cp class=\"blue-heading\"\u003eDesigned for High Accuracy\u003c\/p\u003e\n\u003cp\u003eWith features that prioritise the accuracy of your measurements, eliminate voltage offsets with positive and negative polarity measurements; rely less on correction factors by characterizing larger samples; and achieve good electrical contact each time with the micrometer height control and non-slip stage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 id=\"gallery\"\u003eFour-Point Probe Gallery*\u003c\/h2\u003e\n\u003chr\u003e\n\u003cdiv class=\"carousel-container carousel-gallery\"\u003e\n\u003cdiv class=\"carousel-track ease-in-out-transition\"\u003e\n\u003ca title=\"Four-Point Probe with Inbuilt Data Display\" class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe.jpg?width=1620\"\u003e \u003cimg alt=\"Four-Point Probe with Inbuilt Data Display\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" loading=\"lazy\" height=\"280\" width=\"420\"\u003e \u003c\/a\u003e \u003ca title=\"Four-Point Probe without display\" class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Ossila-Four-Point-Probe.jpg?width=1620\"\u003e \u003cimg alt=\"Four-Point Probe without display\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Ossila-Four-Point-Probe.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" loading=\"lazy\" height=\"280\" width=\"420\"\u003e \u003c\/a\u003e \u003ca title=\"Inbuilt Data Display\" class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-screen.jpg?width=1620\"\u003e \u003cimg alt=\"Inbuilt Data Display\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-screen.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" loading=\"lazy\" height=\"280\" width=\"420\"\u003e \u003c\/a\u003e \u003ca title=\"Soft Contact Probes\" class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-reflection.jpg?width=1620\"\u003e \u003cimg alt=\"Soft Contact Probe\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-reflection.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" loading=\"lazy\" height=\"280\" width=\"420\"\u003e \u003c\/a\u003e \u003ca href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-sharp-probe-head.jpg\" class=\"carousel-item\" title=\"Four Point Prob Sharp Probe Head\"\u003e \u003cimg width=\"420\" height=\"280\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-sharp-probe-head.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" alt=\"Four Point Prob Sharp Probe Head\"\u003e \u003c\/a\u003e \u003ca title=\"Micrometer Height Control\" class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-set-up.jpg?width=1620\"\u003e \u003cimg alt=\"Micrometer Height Control\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-set-up.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" loading=\"lazy\" height=\"280\" width=\"420\"\u003e \u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca role=\"button\" class=\"carousel-left-control\"\u003e \u003csvg aria-hidden=\"true\" class=\"icon icon-chevron-left\"\u003e\n      \u003cuse href=\"#icon-chevron-left\"\u003e\u003c\/use\u003e\n    \u003c\/svg\u003e \u003cspan class=\"sr-only\"\u003ePrevious \u003c\/span\u003e\u003c\/a\u003e \u003ca role=\"button\" class=\"carousel-right-control\"\u003e \u003csvg aria-hidden=\"true\" class=\"icon icon-chevron-right\"\u003e\n      \u003cuse href=\"#icon-chevron-right\"\u003e\u003c\/use\u003e\n    \u003c\/svg\u003e \u003cspan class=\"sr-only\"\u003eNext \u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp class=\"text-muted\"\u003e*Photos include both Original and Plus models\u003c\/p\u003e\n\u003ch2 id=\"software\"\u003eSoftware\u003c\/h2\u003e\n\u003chr\u003e\n\u003cp\u003eYour four-point probe can be controlled using a PC, running our free, user-friendly Ossila Sheet Resistance Lite software. With the Plus model, you can also use the embedded software on the inbuilt data display. Both pieces of software can calculate appropriate geometrical correction factors for the sample geometry and the resistivity and conductivity of the sample to allow for extensive, accurate electrical characterization of materials (if you would like to record your data, you will need to use the Ossila Sheet Resistance Lite software).\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg width=\"848\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/ossila-sheet-resistance-lite-pc-software.png?width=848\u0026amp;height=192\" loading=\"lazy\" height=\"192\" alt=\"Sheet Resistance Lite Software\"\u003e\n\u003cfigcaption\u003eSheet Resistance Lite Measurement Software\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cp\u003eThe Sheet Resistance Lite software is supplied on the included USB memory stick along with a copy of the user manual and QC data. In addition, the latest version is always available to download for free from our website.\u003c\/p\u003e\n\u003cp\u003eThe Sheet Resistance Lite software saves data to comma-separated value (.csv) files, facilitating importing the data into your preferred analysis software. Advanced settings give you greater control over the measurment, allowing you to set voltage and current limits, perform negative polarity measurements, or use probes with different spacings.\u003c\/p\u003e\n\u003ch3\u003eSheet Resistance Lite Software Requirements\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eOperating System\u003c\/th\u003e\n\u003ctd\u003eWindows 11 (64-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eCPU\u003c\/th\u003e\n\u003ctd\u003eDual Core 2 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eRAM\u003c\/th\u003e\n\u003ctd\u003e4 GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eAvailable Hard Drive Space\u003c\/th\u003e\n\u003ctd\u003e252 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eMonitor Resolution\u003c\/th\u003e\n\u003ctd\u003e1440 x 900\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eConnectivity\u003c\/th\u003e\n\u003ctd\u003eUSB 2.0, or Ethernet (requires DHCP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cvideo width=\"848.328\" title=\"Four Point Probe Software\" preload=\"none\" poster=\"https:\/\/cdn.ossila.com\/videos\/four-point-probe-software-video.jpg\" height=\"477.172\" crossorigin=\"\" controlslist=\"nodownload\" controls=\"controls\" class=\"widescreen\"\u003e\n    \u003csource type=\"video\/mp4\" src=\"https:\/\/cdn.ossila.com\/videos\/four-point-probe-software-video.mp4\"\u003e\n    \u003ctrack default=\"\" kind=\"subtitles\" label=\"English\" src=\"https:\/\/cdn.ossila.com\/videos\/four-point-probe-software-video.vtt\" srclang=\"en\"\u003e\u003c\/video\u003e \u003cscript type=\"application\/ld+json\"\u003e\n\n{\n\"@context\": \"https:\/\/schema.org\",\n\"@type\": \"VideoObject\",\n\"name\": \"Four Point Probe Software\",\n\"description\": \"Four Point Probe Software\",\n\"thumbnailUrl\": \"https:\/\/cdn.ossila.com\/videos\/four-point-probe-software-video.jpg\",\n\"uploadDate\": \"2025-10-24\",\n\"contentURL\": \"https:\/\/cdn.ossila.com\/videos\/four-point-probe-software-video.mp4\",\n\"duration\": \"PT1M19S\"\n}\n\u003c\/script\u003e\u003c\/p\u003e\n\u003ch2 id=\"specifications-continued\"\u003eAdditional Specifications\u003c\/h2\u003e\n\u003chr\u003e\n\u003cfigure\u003e\u003cimg height=\"385\" width=\"890\" loading=\"lazy\" alt=\"Ossila Four-Point Probe with Inbuilt Data Display wireframe diagram\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-plus-display-wireframe.svg\"\u003e\u003c\/figure\u003e\n\u003ch3\u003ePhysical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eFour-Point Probe Dimensions (W x H x D)\u003c\/th\u003e\n\u003ctd colspan=\"2\"\u003e145 mm x 150 mm x 240 mm (5.71\" x 5.91\" x 9.45\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003e\u003cbr\u003e\u003c\/th\u003e\n\u003cth\u003eSoft-tipped probes\u003c\/th\u003e\n\u003cth\u003eSharp-tipped probes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eProbe Spacing\u003c\/th\u003e\n\u003ctd\u003e1.27 mm (0.05\")\u003c\/td\u003e\n\u003ctd\u003e1.6 mm (0.063\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eRectangular Sample Size Range\u003c\/th\u003e\n\u003ctd\u003e\n\u003cp\u003eLong edge minimum: 5 mm (0.20\")\u003c\/p\u003e\n\u003cp class=\"no-margin\"\u003eShort edge maximum: 152.4 mm (6\")\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd width=\"38.2%\"\u003e\n\u003cp\u003eLong edge minimum: 6 mm (0.24\")\u003c\/p\u003e\n\u003cp class=\"no-margin\"\u003eShort edge maximum: 152.4 mm (6\")\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eCircular Sample Size Range (Diameter)\u003c\/th\u003e\n\u003ctd\u003e5 mm – 152.4 mm (0.20\" – 6.00\")\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e6 mm – 152.4 mm (0.24\" – 6.00\")\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eMaximum Sample Thickness\u003c\/th\u003e\n\u003ctd\u003e8 mm (0.31\")\u003c\/td\u003e\n\u003ctd\u003e5 mm (0.2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eResistivity and Conductivity Range\u003c\/h3\u003e\n\u003cp\u003eAs the system measures the sheet resistance of a sample, a general range of measurable resistivities or conductivities cannot be given. This is because the measurable resistivity range depends on the thickness of the sample being tested. The resistivity of a sample can be calculated from its sheet resistance and thickness using the following equation:\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg height=\"21\" width=\"86\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/sheet-resistance-resistivity-equation.png?v=1518786886\" alt=\"Sheet resistance resistivity equation\" loading=\"lazy\"\u003e\u003c\/figure\u003e\n\u003cp\u003eThe system is capable of measuring between 100 mΩ\/sq and 10 MΩ\/sq, so if we use these values in the formula above with a sample 50 nm thick, then the resistivity (conductivity) range that can be measured by the system will be 5 nΩ.m to 500 mΩ.m (2 S\/m to 200 MS\/m). If the sample is 400 µm thick, then the resistivity (conductivity) range of the system is 40 µΩ.m to 4 kΩ.m (250 µS\/m to 25 kS\/m). Below is a table of the resistivity and conductivity ranges of the system for samples with thicknesses of different orders of magnitude:\u003c\/p\u003e\n\u003ctable style=\"width: 100%; height: 137.157px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 29.5193%; height: 19.5938px;\" class=\"text-center\"\u003eCoating Thickness\u003c\/th\u003e\n\u003cth style=\"width: 32.1995%; height: 19.5938px;\" class=\"text-center\"\u003eResistivity Range\u003c\/th\u003e\n\u003cth style=\"width: 34.2666%; height: 19.5938px;\" class=\"text-center\"\u003eConductivity Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.5193%; height: 19.5938px;\" class=\"text-center\"\u003e10 nm\u003c\/td\u003e\n\u003ctd style=\"width: 32.1995%; height: 19.5938px;\" class=\"text-center\"\u003e1 nΩ.m – 100 mΩ.m\u003c\/td\u003e\n\u003ctd style=\"width: 34.2666%; height: 19.5938px;\" class=\"text-center\"\u003e10 S\/m – 1 GS\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.5193%; height: 19.5938px;\" class=\"text-center\"\u003e100 nm\u003c\/td\u003e\n\u003ctd style=\"width: 32.1995%; height: 19.5938px;\" class=\"text-center\"\u003e10 nΩ.m – 1 Ω.m\u003c\/td\u003e\n\u003ctd style=\"width: 34.2666%; height: 19.5938px;\" class=\"text-center\"\u003e1 S\/m – 100 MS\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.5193%; height: 19.5938px;\" class=\"text-center\"\u003e1 µm\u003c\/td\u003e\n\u003ctd style=\"width: 32.1995%; height: 19.5938px;\" class=\"text-center\"\u003e100 nΩ.m – 10 Ω.m\u003c\/td\u003e\n\u003ctd style=\"width: 34.2666%; height: 19.5938px;\" class=\"text-center\"\u003e100 mS\/m – 10 MS\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.5193%; height: 19.5938px;\" class=\"text-center\"\u003e10 µm\u003c\/td\u003e\n\u003ctd style=\"width: 32.1995%; height: 19.5938px;\" class=\"text-center\"\u003e1 µΩ.m – 100 Ω.m\u003c\/td\u003e\n\u003ctd style=\"width: 34.2666%; height: 19.5938px;\" class=\"text-center\"\u003e10 mS\/m – 1 MS\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.5193%; height: 19.5938px;\" class=\"text-center\"\u003e100 µm\u003c\/td\u003e\n\u003ctd style=\"width: 32.1995%; height: 19.5938px;\" class=\"text-center\"\u003e10 µΩ.m – 1 kΩ.m\u003c\/td\u003e\n\u003ctd style=\"width: 34.2666%; height: 19.5938px;\" class=\"text-center\"\u003e1 mS\/m – 100 kS\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 29.5193%; height: 19.5938px;\" class=\"text-center\"\u003e1 mm\u003c\/td\u003e\n\u003ctd style=\"width: 32.1995%; height: 19.5938px;\" class=\"text-center\"\u003e100 µΩ.m – 10 kΩ.m\u003c\/td\u003e\n\u003ctd style=\"width: 34.2666%; height: 19.5938px;\" class=\"text-center\"\u003e100 µS\/m – 10 kS\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 id=\"included\"\u003eIn the Box\u003c\/h2\u003e\n\u003chr\u003e\n\u003cul\u003e\n\u003cli\u003eOssila Four-Point Probe with head(s) and stage\u003c\/li\u003e\n\u003cli\u003eIntegrated source measure unit\u003c\/li\u003e\n\u003cli\u003eInbuilt data display with sheet resistance measurement capability (T2001A5 only)\u003c\/li\u003e\n\u003cli\u003e60 x 60 mm (2.36\" x 2.36\") glass substrate coated with 400 – 450 nm of FTO\u003c\/li\u003e\n\u003cli\u003e10kΩ resistor test head\u003c\/li\u003e\n\u003cli\u003ePower adapter (24 VDC)\u003c\/li\u003e\n\u003cli\u003eUSB Driver with QC test report \u0026amp; QC test data\u003c\/li\u003e\n\u003cli\u003eUSB-B cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"accessories\"\u003eAccessories and Related Products\u003c\/h2\u003e\n\u003chr\u003e\n\u003cp\u003e[[collection handle=\"substrates-and-fabrication\" tags=\"substrate\" limit=\"4\"]]\u003c\/p\u003e\n\u003ch2 id=\"resources\"\u003eResources and Support\u003c\/h2\u003e\n\u003chr\u003e\n\u003cdiv class=\"tile-container\"\u003e\n\u003cdiv class=\"card-box card-truncate\"\u003e\n\u003ca href=\"https:\/\/www.ossila.com\/pages\/four-point-probe-features\"\u003e\u003cimg src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Four-Point-Probe-Substrate-Close-Up.jpg?width=160\u0026amp;height=160\u0026amp;crop=center\" loading=\"lazy\" height=\"160\" alt=\"What Four Point Probe Features Do You Need?\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/www.ossila.com\/pages\/four-point-probe-features\"\u003e What Four-Point Probe Features Do You Need?\u003c\/a\u003e\n\u003cp\u003eBuilding on the reliable source measure unit, the Ossila Four-Point Probe is an instrument that makes measuring sheet resistance as straightforward as possible for users. Without complex calibration or set up, you just put your thin film into the four-point probe station and immediately get reliable sheet resistance, conductivity and resistivity values for your thin films.\u003c\/p\u003e\n\u003ca href=\"https:\/\/www.ossila.com\/pages\/four-point-probe-features\"\u003eRead more...\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Ossila","offers":[{"title":"Plus (New!) \/ Soft-tipped probe head","offer_id":49564303360216,"sku":"T2001A5","price":2100.0,"currency_code":"GBP","in_stock":true},{"title":"Plus (New!) \/ Sharp-tipped probe head","offer_id":50608355639512,"sku":"T2001B5","price":2400.0,"currency_code":"GBP","in_stock":true},{"title":"Plus (New!) \/ Both (1 x Soft-tipped probe head \u0026 1 x Sharp-tipped probe head)","offer_id":50608355672280,"sku":"T2001A5-P2010B1","price":2500.0,"currency_code":"GBP","in_stock":true},{"title":"Original \/ Soft-tipped probe head","offer_id":49564303392984,"sku":"T2001A4","price":1700.0,"currency_code":"GBP","in_stock":true},{"title":"Original \/ Sharp-tipped probe head","offer_id":50608355705048,"sku":"T2001B4","price":2000.0,"currency_code":"GBP","in_stock":true},{"title":"Original \/ Both (1 x Soft-tipped probe head \u0026 1 x Sharp-tipped probe head)","offer_id":50608355737816,"sku":"T2001A4-P2010B1","price":2100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/0287\/files\/Four-Point-Probe-Focus-Stack-Product-Image.jpg?v=1751283470"},{"product_id":"contact-angle-goniometer","title":"Contact Angle Goniometer","description":"\u003ch2 id=\"product-oneliner\"\u003eRapid Measurements with Easy, Accurate Analysis\u003c\/h2\u003e\n\u003cp class=\"text-center\"\u003eOptimize inks and coatings efficiently with HD recording and intuitive PC software\u003c\/p\u003e\n\u003chr\u003e\n\u003cp class=\"text-center\"\u003e\u003ca href=\"#overview\"\u003eOverview\u003c\/a\u003e | \u003ca href=\"#specification\"\u003eSpecifications\u003c\/a\u003e | \u003ca href=\"#features\"\u003eFeatures\u003c\/a\u003e | \u003ca href=\"#gallery\"\u003eGallery\u003c\/a\u003e | \u003ca href=\"#software\"\u003eSoftware\u003c\/a\u003e | \u003ca href=\"#included\"\u003eIn the Box\u003c\/a\u003e | \u003ca href=\"#accessories\"\u003eAccessories\u003c\/a\u003e | \u003ca href=\"#resources\"\u003eResources and Support\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp id=\"overview\"\u003eOptimize inks and coatings efficiently with fast, reliable, and easy contact angle and surface tension measurement of liquid droplets. The Ossila Contact Angle Goniometer brings intuitive PC software, high quality video, and rapid image capture to your lab. Use the software to characterize high contact angles for water resistant or protective coatings, or low contact angles for highly uniform solution coatings.\u003c\/p\u003e\n\u003cp\u003eThanks to the low price and compact size, the Ossila Contact Angle Goniometer is a great choice for any characterization setup.\u003c\/p\u003e\n\u003cdiv class=\"row display-flex\"\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg alt=\"Two-Year Warranty\" height=\"50\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Glove_Box_key_Features__Two_year_warranty.svg?v=1718707947\" width=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eTwo-Year Warranty\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003eBuy with confidence\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg alt=\"Free software\" height=\"50\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon-Free-Software-Update.svg?v=1697197697\" width=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eFree Software\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003ePlus future updates\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg alt=\"Compact contact angle goniometer\" height=\"50\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon-Compact.svg?v=1718795142\" width=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eCompact Design\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003eSmall lab footprint\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg alt=\"Easy to use\" height=\"50\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Easy_To_Use.svg?v=1697194957\" width=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eEasy to Use\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003eSimple and intuitive\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg alt=\"Easier Ink Optimisation\" height=\"50\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Easier_Ink_Optimisation.svg?v=1697201968\" width=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eEasy Ink Optimization\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003eContinuous feedback\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg alt=\"Rapid Image Capture\" height=\"50\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Rapid_Image_Capture.svg?v=1697203017\" width=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eRapid Image Capture\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003eStudy the wetting process\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg alt=\"High-Resolution Video\" height=\"50\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_High_Res_Video.svg?v=1697202095\" width=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eHigh-Resolution Video\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003eCapture quality videos of your droplets\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-6 col-sm-4 col-md-3 text-center margin-top\"\u003e\n\u003cimg alt=\"Affordable\" height=\"50\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Low_Cost.svg?v=1697194884\" width=\"50\"\u003e\n\u003cp class=\"blue-heading no-margin text-center\"\u003eGreat Value\u003c\/p\u003e\n\u003cp class=\"text-center\"\u003eAffordable without compromising on quality\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cfigure\u003e\u003cvideo class=\"widescreen\" controls=\"controls\" controlslist=\"nodownload\" crossorigin=\"\" height=\"477.172\" poster=\"https:\/\/cdn.ossila.com\/videos\/contact-angle-goniometer-product-overview.jpg\" preload=\"none\" title=\"Contact Angle Goniometer Product Overview video\" width=\"848.328\"\u003e\n        \u003csource src=\"https:\/\/cdn.ossila.com\/videos\/contact-angle-goniometer-product-overview-1080p.mp4\" type=\"video\/mp4\"\u003e\n        \u003ctrack default=\"\" kind=\"subtitles\" label=\"English\" src=\"https:\/\/cdn.ossila.com\/videos\/contact-angle-goniometer-product-overview.vtt\" srclang=\"en\"\u003e\u003c\/video\u003e \u003cscript type=\"application\/ld+json\"\u003e\n{\n\"@context\": \"https:\/\/schema.org\",\n\"@type\": \"VideoObject\",\n\"name\": \"Contact Angle Goniometer Product Overview\",\n\"description\": \"Ossila Contact Angle Goniometer Product Overview\",\n\"thumbnailUrl\": \"https:\/\/cdn.ossila.com\/videos\/contact-angle-goniometer-product-overview.jpg\",\n\"uploadDate\": \"2023-11-29\",\n\"contentURL\": \"https:\/\/cdn.ossila.com\/videos\/contact-angle-goniometer-product-overview-1080p.mp4\",\n\"duration\": \"PT1M09S\"\n}\n\u003c\/script\u003e\u003c\/figure\u003e\n\u003ch2 id=\"specification\"\u003eSpecifications\u003c\/h2\u003e\n\u003chr\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.0937%;\" width=\"38.2%\"\u003eMeasurement Accuracy\u003c\/th\u003e\n\u003ctd style=\"width: 61.5359%;\"\u003e±1°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.0937%;\" width=\"38.2%\"\u003eMeasurement Range\u003c\/th\u003e\n\u003ctd style=\"width: 61.5359%;\"\u003e5° – 180°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.0937%;\" width=\"38.2%\"\u003eOverall Product Dimensions (W x H x D)\u003c\/th\u003e\n\u003ctd style=\"width: 61.5359%;\"\u003e320 mm x 95 mm x 165 mm (12.60\" x 3.75\" x 6.50\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.0937%;\" width=\"38.2%\"\u003eStage Area\u003c\/th\u003e\n\u003ctd style=\"width: 61.5359%;\"\u003e50 mm x 50 mm (1.97\" x 1.97\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.0937%;\" width=\"38.2%\"\u003eMaximum Sample Thickness\u003c\/th\u003e\n\u003ctd style=\"width: 61.5359%;\"\u003e20 mm (0.79\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.0937%;\" width=\"38.2%\"\u003eMaximum Camera Resolution\u003c\/th\u003e\n\u003ctd style=\"width: 61.5359%;\"\u003e1920 x 1080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; text-align: left;\"\u003e\u003cstrong\u003eSensor Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%; text-align: left;\"\u003e1\/2.7 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; text-align: left;\"\u003e\u003cstrong\u003ePixel Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%; text-align: left;\"\u003e3 μm x 3 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50%; text-align: left;\"\u003e\u003cstrong\u003eImage Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%; text-align: left;\"\u003e5856 μm x 3276 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cfigure\u003e\u003cimg alt=\"Ossila Contact Angle Goniometer wireframe diagram\" height=\"438.75\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Product_Wireframes_Contact-Angle-Goniometer.svg?v=1709633899\" width=\"636\"\u003e\n\u003cfigcaption\u003eOssila Contact Angle Goniometer wireframe\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSyringe Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eSyringe Volume\u003c\/th\u003e\n\u003ctd\u003e25 µl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eNeedle Gauge\u003c\/th\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eNeedle Outer Diameter\u003c\/th\u003e\n\u003ctd\u003e0.72 mm (0.028\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eNeedle Inner Diameter\u003c\/th\u003e\n\u003ctd\u003e0.37 mm (0.015\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eNeedle Length\u003c\/th\u003e\n\u003ctd\u003e51 mm (2.01\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eTip Shape\u003c\/th\u003e\n\u003ctd\u003eBlunt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 id=\"features\"\u003eContact Angle Goniometer Features\u003c\/h2\u003e\n\u003chr\u003e\n\u003cdiv class=\"row pad-half-height\"\u003e\n\u003cdiv class=\"col-xs-12 col-md-2\"\u003e\u003cimg alt=\"High-Resolution camera\" class=\"img-round\" height=\"112\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-camera-square.jpg?width=112\u0026amp;height=112\" width=\"112\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-md-10\"\u003e\n\u003cp class=\"blue-heading\"\u003eHigh-Resolution Camera\u003c\/p\u003e\n\u003cp\u003eTake quality videos and images of your droplets. A high-resolution 1920 x 1080 camera captures up to 30 frames per second, while the manual focusing lens gives you complete control over image sharpness. If file size is a concern, you can set a lower resolution or frame rate when exporting to save space on your hard drive.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row pad-half-height\"\u003e\n\u003cdiv class=\"col-xs-12 col-md-2\"\u003e\u003cimg alt=\"Monochromatic light source\" class=\"img-round\" height=\"112\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-light-source-square.jpg?width=112\u0026amp;height=112\" width=\"112\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-md-10\"\u003e\n\u003cp class=\"blue-heading\"\u003eLight Source for Accurate Edge Detection\u003c\/p\u003e\n\u003cp\u003eThe powerful, mains-powered monochromatic backlight helps the software to accurately detect the edges of the droplet using a Canny edge detection algorithm. The bright, uniform rectangular panel creates a larger change in pixel lightness than would otherwise occur, which ensures that a sharp edge can be found.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row pad-half-height\"\u003e\n\u003cdiv class=\"col-xs-12 col-md-2\"\u003e\u003cimg alt=\"Syringe clamping mechanism\" class=\"img-round\" height=\"112\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-syringe-clamping-mechanism-square.jpg?width=112\u0026amp;height=112\" width=\"112\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-md-10\"\u003e\n\u003cp class=\"blue-heading\"\u003eSyringe Clamping Mechanism\u003c\/p\u003e\n\u003cp\u003eThe versatile and adaptable clamp system can be used to secure a wide range of droplet dispensing equipment. Included with the Ossila Contact Angle Goniometer system is a 25µl glass syringe with a removable blunt tip needle, which is ideal for dispensing droplets for both contact angle and surface tension measurements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row pad-half-height\"\u003e\n\u003cdiv class=\"col-xs-12 col-md-2\"\u003e\u003cimg alt=\"Adjustable sample stage\" class=\"img-round\" height=\"112\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-sample-stage-square.jpg?width=112\u0026amp;height=112\" width=\"112\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-md-10\"\u003e\n\u003cp class=\"blue-heading\"\u003eAdjustable Sample Stage\u003c\/p\u003e\n\u003cp\u003eObtain a level surface and prevent the droplet from moving during deposition. Lower and raise the stage without affecting the level so you can add or remove substrates and then position the platform as close to the needle as possible. The fine level of adjustment even lets you set a slight tilt towards the camera to help align the baseline.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 id=\"gallery\"\u003eContact Angle Goniometer Gallery\u003c\/h2\u003e\n\u003chr\u003e\n\u003cdiv class=\"carousel-container carousel-gallery\"\u003e\n\u003cdiv class=\"carousel-track ease-in-out-transition\"\u003e\n\u003ca class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-level.jpg?width=1620\" title=\"Contact Angle Goniometer\"\u003e \u003cimg alt=\"Contact Angle Goniometer\" height=\"280\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-level.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" width=\"420\"\u003e \u003c\/a\u003e \u003ca class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-close-up.jpg?width=1620\" title=\"Contact Angle Goniometer Drop\"\u003e \u003cimg alt=\"Contact Angle Goniometer Drop\" height=\"280\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-close-up.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" width=\"420\"\u003e \u003c\/a\u003e \u003ca class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-camera-view.jpg?width=1620\" title=\"Contact Angle Goniometer Camera\"\u003e \u003cimg alt=\"Contact Angle Goniometer Camera\" height=\"280\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-camera-view.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" width=\"420\"\u003e \u003c\/a\u003e \u003ca class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-in-use.jpg?width=1620\" title=\"Contact Angle Goniometer in use\"\u003e \u003cimg alt=\"Contact Angle Goniometer in use\" height=\"280\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-in-use.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" width=\"420\"\u003e \u003c\/a\u003e \u003ca class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-drop.jpg?width=1620\" title=\"Contact Angle Goniometer droplet\"\u003e \u003cimg alt=\"Contact Angle Goniometer droplet\" height=\"280\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-drop.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" width=\"420\"\u003e \u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca class=\"carousel-left-control\" role=\"button\"\u003e \u003csvg aria-hidden=\"true\" class=\"icon icon-chevron-left\"\u003e\n            \u003cuse href=\"#icon-chevron-left\"\u003e\u003c\/use\u003e\n        \u003c\/svg\u003e \u003cspan class=\"sr-only\"\u003ePrevious\u003c\/span\u003e \u003c\/a\u003e \u003ca class=\"carousel-right-control\" role=\"button\"\u003e \u003csvg aria-hidden=\"true\" class=\"icon icon-chevron-right\"\u003e\n            \u003cuse href=\"#icon-chevron-right\"\u003e\u003c\/use\u003e\n        \u003c\/svg\u003e \u003cspan class=\"sr-only\"\u003eNext\u003c\/span\u003e \u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel panel-default\"\u003e\n\u003cdiv class=\"panel-body\"\u003e\n\u003ch2 style=\"margin-top: 10px;\"\u003eTestimonials\u003c\/h2\u003e\n\u003chr\u003e\n\u003cblockquote class=\"marks\"\u003eI use a Contact Angle Goniometer and Spin Coater from Ossila, the best tools I have ever used for the application of Perovskite solar cells. I plan to order more devices from the same brand.\u003c\/blockquote\u003e\n\u003cp class=\"text-right\"\u003eAshique Kotta, Jeonbuk National University\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 id=\"software\"\u003eSoftware\u003c\/h2\u003e\n\u003chr\u003e\n\u003cp\u003eThe Contact Angle Goniometer comes complete with user-friendly measurement software. This software has been designed to be as intuitive as possible, but we also provide guides on how to use it effectively. The software has two main interactive sections: recording and analysis.\u003c\/p\u003e\n\u003cp\u003eThe Ossila Contact Angle software is included on the supplied USB memory stick, and the latest version is always available to download for free from our website.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg alt=\"contact angle and surface tension measurement technique\" height=\"288.409\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Surface-Tension-Measurement-01.svg?v=1709803875\" width=\"848.328\"\u003e\n\u003cfigcaption\u003eContact Angle and Surface Tension Measurement Techniques\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRecording\u003c\/h3\u003e\n\u003cp\u003eCapture high-resolution videos in the recording section of the software. The videos will automatically be saved to the destination of your choosing and are saved in .avi file format, which means you can watch them in any common video player or edit them in a video editor. When loaded into the contact angle software, the videos will appear as a series of images which can be analyzed individually.\u003c\/p\u003e\n\u003cfigure\u003e\u003cimg alt=\"Ossila Contact Angle software\" height=\"464\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-software-light-mode.png?width=848\u0026amp;height=464\" width=\"848\"\u003e\n\u003cfigcaption\u003eOssila Contact Angle software\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eAnalysis\u003c\/h3\u003e\n\u003cp\u003eMeasure contact angle and surface tension of your recorded droplets in the analysis section of the software. The software performs an edge detection algorithm on the droplet, then uses an appropriate fitting technique to calculate its properties.\u003c\/p\u003e\n\u003cdiv class=\"row pad-half-height\"\u003e\n\u003cdiv class=\"col-xs-12 col-md-2\"\u003e\u003cimg alt=\"Contact Angle\" height=\"112\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Easier_Ink_Optimisation.svg?v=1697201968\" width=\"112\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-md-10\"\u003e\n\u003cp class=\"blue-heading\"\u003eContact Angle\u003c\/p\u003e\n\u003cp\u003eFor droplets with contact angles above 10°, a polynomial curve is fitted to the droplet edge. Where the curve crosses the baseline, its tangent is used to determine the contact angle. If a droplet is below 10°, then a circle fit is used for contact angle measurements instead.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row pad-half-height\"\u003e\n\u003cdiv class=\"col-xs-12 col-md-2\"\u003e\u003cimg alt=\"Surface Tension\" height=\"112\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Icon_Syring_Compatability.svg?v=1698413426\" width=\"112\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-md-10\"\u003e\n\u003cp class=\"blue-heading\"\u003eSurface Tension\u003c\/p\u003e\n\u003cp\u003eThe software can also perform optical tensiometry measurements on droplets suspended from a needle tip. A series of droplet models are created using the droplet radius and liquid density. The models are compared with the detected edge and the closest match is used to determine the surface tension of the liquid.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"padding-top\"\u003e\u003cimg alt=\"Ossila Contact Angle software performing a surface tension measurement\" height=\"477\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-manual-figure_8-12.png?width=848\u0026amp;height=477\" width=\"848\"\u003e\n\u003cfigcaption\u003eOssila Contact Angle software performing a surface tension measurement\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSoftware Requirements\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eOperating System\u003c\/th\u003e\n\u003ctd\u003eWindows 11 (64-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eCPU\u003c\/th\u003e\n\u003ctd\u003eQuad Core 2.5 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eRAM\u003c\/th\u003e\n\u003ctd\u003e8 GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eAvailable Hard Drive Space\u003c\/th\u003e\n\u003ctd\u003e306 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eMonitor Resolution\u003c\/th\u003e\n\u003ctd\u003e1920 x 1080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eConnectivity\u003c\/th\u003e\n\u003ctd\u003eUSB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 id=\"included\"\u003eIn the Box\u003c\/h2\u003e\n\u003chr\u003e\n\u003cul\u003e\n\u003cli\u003eContact angle goniometer\u003c\/li\u003e\n\u003cli\u003e24 V \/ 2 A DC power adapter\u003c\/li\u003e\n\u003cli\u003eUSB-B cable\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003cli\u003eQC data USB drivers\u003c\/li\u003e\n\u003cli\u003eFront Panel software installer\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e25 µl glass syringe\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e10 mm diameter calibration sphere\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"accessories\"\u003eAccessories and Related Products\u003c\/h2\u003e\n\u003chr\u003e\n\u003cp\u003e[[collection handle=\"substrates-and-fabrication\" tags=\"substrate\" limit=\"4\" show-more=\"false\"]]\u003c\/p\u003e\n\u003ch2 id=\"resources\"\u003eResources and Support\u003c\/h2\u003e\n\u003chr\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-12 button-col\"\u003e\n\u003cdiv class=\"card-box\"\u003e\n\u003ch3 class=\"h4\"\u003eContact Angle Measurements of Surface Wetting\u003c\/h3\u003e\n\u003cp\u003eSurface wetting occurs when a droplet spreads out over a surface, such that its contact angle is below 90°. When the droplet spreads out completely, this angle will be 0°, and 'complete wetting' will have occurred.\u003c\/p\u003e\n\u003ca href=\"\/pages\/contact-angle-measurements-surface-wetting\"\u003eLearn more...\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tile-container\"\u003e\n\u003cdiv class=\"card-box card-truncate\"\u003e\n\u003ca href=\"\/pages\/getting-started-with-the-ossila-contact-angle-goniometer\"\u003e\u003cimg alt=\"Getting Started with the Ossila Contact Angle Goniometer\" height=\"160\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/contact-angle-goniometer-setup-guide.jpg?width=160\u0026amp;height=160\u0026amp;crop=center\"\u003e\u003c\/a\u003e \u003ca href=\"\/pages\/getting-started-with-the-ossila-contact-angle-goniometer\"\u003e Getting Started with the Ossila Contact Angle Goniometer\u003c\/a\u003e\n\u003cp\u003eSetting up the Ossila Contact Angle Goniometer is a straightforward process that involves a few simple steps.\u003c\/p\u003e\n\u003ca href=\"\/pages\/getting-started-with-the-ossila-contact-angle-goniometer\"\u003eRead more...\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card-box card-truncate\"\u003e\n\u003ca href=\"\/pages\/contact-angle-theory-measurement\"\u003e\u003cimg alt=\"Contact Angle: A Guide to Theory and Measurement\" height=\"160\" loading=\"lazy\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/page-contact-angle-theory-measurement.jpg?width=160\u0026amp;height=160\u0026amp;crop=center\"\u003e\u003c\/a\u003e \u003ca href=\"\/pages\/contact-angle-theory-measurement\"\u003e Contact Angle: A Guide to Theory and Measurement\u003c\/a\u003e\n\u003cp\u003eThis guide will explain what a contact angle is and how it is measured. It will also show you how the Ossila Contact Angle Goniometer works and how to get the best measurement results.\u003c\/p\u003e\n\u003ca href=\"\/pages\/contact-angle-theory-measurement\"\u003eRead more...\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Ossila","offers":[{"title":"Default Title","offer_id":2856241430557,"sku":"L2004A1","price":2000.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/0287\/files\/contact-angle-featured-image.jpg?v=1754399698"},{"product_id":"four-point-probe-head","title":"Four-Point Probe Head","description":"\u003ch2 id=\"product-oneliner\"\u003eHigh-Quality Probes for Good Electrical Contact\u003c\/h2\u003e\n\u003cp class=\"text-center\"\u003eMeasure sheet resistance, resistivity, and conductivity with ease\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eFour-point probe heads for the Ossila \u003ca title=\"Ossila Four-Point Probe System\" href=\"\/products\/four-point-probe-system\"\u003eFour-Point Probe\u003c\/a\u003e that can be used to measure sheet resistance, resistivity, and conductivity.\u003c\/p\u003e\n\u003cp\u003eThe soft-tipped probe head features gold-coated probes to provide good electrical contact. These probes are rounded and spring loaded to reduce or eliminate damage to samples that can be caused by sharp probes whilst ensuring a uniform force of 60 grams is applied.\u003c\/p\u003e\n\u003cp\u003eThe sharped-tipped probe head is designed for materials with naturally forming oxide layers, with a tip diameter of 0.08 mm. The nickel-plated tungsten carbide tips can apply a maximum force of 197.43 gf to pierce the insulating layer for reliable sample measurements.\u003c\/p\u003e\n\u003cfigure class=\"double-float-left\"\u003e\u003cimg width=\"500\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/Four-Point_Probe_Head.svg?v=1682412884\" loading=\"lazy\" height=\"334\" alt=\"Schematic diagram of the probes of the Four-Point Probe Head\"\u003e\n\u003cfigcaption\u003eSchematic diagram of the soft-tipped probes of the Four-Point Probe Head.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure class=\"double-float-right\"\u003e\u003cimg width=\"500\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-soft-tipped-head.svg?v=1682412884\" loading=\"lazy\" height=\"334\" alt=\"Schematic diagram of the probes of the Four-Point Probe Head\"\u003e\n\u003cfigcaption\u003eSchematic diagram of the sharp-tipped probes of the Four-Point Probe Head.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cp class=\"text-muted\"\u003ePlease note: the gold plating on the soft-tipped probes can degrade in certain conditions, such as when used in humid environments, or with samples that are corrosive, abbrasive, acidic, etc, especially under electrical load. Gold can also diffuse into certain materials such as copper, aluminium, tin and silicon, especially at high temperatures (which can occur due to resistive heating at high current).\u003c\/p\u003e\n\u003cp class=\"text-muted\"\u003eIf you need a replacement probe head for the T2001A3 model, please \u003ca href=\"\/pages\/contact-us\"\u003econtact us\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003chr\u003e\n\u003ch3\u003eSoft-tipped Probe Head\u003c\/h3\u003e\n\u003ctable style=\"height: 156.818px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eProbe Spacing\u003c\/th\u003e\n\u003ctd\u003e1.27 mm (0.05\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eProbe Radius\u003c\/th\u003e\n\u003ctd\u003e0.24 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eProbe Stroke\u003c\/th\u003e\n\u003ctd\u003e1.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eSpring Force\u003c\/th\u003e\n\u003ctd\u003e25 - 60 grams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eMaximum Current\u003c\/th\u003e\n\u003ctd\u003e2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eMeasurement Error\u003c\/th\u003e\n\u003ctd\u003e±4%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProbe Material\u003c\/th\u003e\n\u003ctd\u003eGold- and nickel-plated brass alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eConnections\u003c\/th\u003e\n\u003ctd\u003eSMA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSharp-tipped Probe Head\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eProbe Spacing\u003c\/th\u003e\n\u003ctd\u003e1.6 mm (0.063\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eProbe Tip Diameter\u003c\/th\u003e\n\u003ctd\u003e0.08 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eProbe Stroke*\u003c\/th\u003e\n\u003ctd\u003e1.19 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForce at Maximum Travel\u003c\/th\u003e\n\u003ctd\u003e197.43 gf\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eSpring Constant\u003c\/th\u003e\n\u003ctd\u003e159.22 gf\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eProbe Material\u003c\/th\u003e\n\u003ctd\u003eNickel-plated tungsten carbide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth width=\"38.2%\"\u003eConnections\u003c\/th\u003e\n\u003ctd\u003eSMA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"text-muted\"\u003e*Exceeding the maximum probe stroke may damage or destroy the substrate.\u003c\/p\u003e\n\u003cp\u003ePlease note: Your Ossila Four-Point Probe will require \u003cspan data-olk-copy-source=\"MessageBody\"\u003escreen firmware version 1.1.0 or newer to use\u003c\/span\u003e the sharp-tipped probe head. You can \u003ca href=\"https:\/\/www.ossila.com\/pages\/software-drivers#Firmware-Updater\"\u003edownload the latest firmware\u003c\/a\u003e from our website.\u003c\/p\u003e\n\u003ch2 id=\"gallery\"\u003eProbe Head Gallery\u003c\/h2\u003e\n\u003chr\u003e\n\u003cdiv class=\"carousel-container carousel-gallery\"\u003e\n\u003cdiv class=\"carousel-track ease-in-out-transition\"\u003e\n\u003ca title=\"Four Point Probe Soft point Probe Head\" class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-reflection.jpg\"\u003e \u003cimg alt=\"Four Point Probe Soft point Probe Head\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-reflection.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" loading=\"lazy\" height=\"280\" width=\"420\"\u003e \u003c\/a\u003e \u003ca title=\"Four Point Prob Sharp Probe Head\" class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-sharp-probe-head.jpg\"\u003e \u003cimg alt=\"Four Point Prob Sharp Probe Head\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe-sharp-probe-head.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" loading=\"lazy\" height=\"280\" width=\"420\"\u003e \u003c\/a\u003e \u003ca class=\"carousel-item\" title=\"Four Point Probe Soft point probe tip\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/fpp-soft-point-probe-tip.jpg\"\u003e \u003cimg alt=\"Four Point Probe Soft point probe tip\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/fpp-soft-point-probe-tip.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" loading=\"lazy\" height=\"280\" width=\"420\"\u003e \u003c\/a\u003e \u003ca title=\"Four Point Probe Hard point probe tip\" class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/fpp-hard-point-probe-tip.jpg\"\u003e \u003cimg alt=\"Four Point Probe Hard point probe tip\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/fpp-hard-point-probe-tip.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" loading=\"lazy\" height=\"280\" width=\"420\"\u003e \u003c\/a\u003e \u003ca title=\"Four-point probe system\" class=\"carousel-item\" href=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe.jpg\"\u003e \u003cimg alt=\"Four-point probe system\" src=\"https:\/\/www.ossila.com\/cdn\/shop\/files\/four-point-probe.jpg?width=420\u0026amp;height=280\u0026amp;crop=center\" loading=\"lazy\" height=\"280\" width=\"420\"\u003e \u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca role=\"button\" class=\"carousel-left-control\"\u003e \u003csvg aria-hidden=\"true\" class=\"icon icon-chevron-left\"\u003e\u003cuse href=\"#icon-chevron-left\"\u003e\u003c\/use\u003e\u003c\/svg\u003e \u003cspan class=\"sr-only\"\u003ePrevious \u003c\/span\u003e\u003c\/a\u003e \u003ca role=\"button\" class=\"carousel-right-control\"\u003e \u003csvg aria-hidden=\"true\" class=\"icon icon-chevron-right\"\u003e\u003cuse href=\"#icon-chevron-right\"\u003e\u003c\/use\u003e\u003c\/svg\u003e \u003cspan class=\"sr-only\"\u003eNext \u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Ossila","offers":[{"title":"Soft-tipped","offer_id":44570049904856,"sku":"P2010A2","price":150.0,"currency_code":"GBP","in_stock":true},{"title":"Sharp-tipped","offer_id":50608675553496,"sku":"P2010B1","price":500.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/0287\/files\/four-point-probe-soft-point-head-product-photo.jpg?v=1752567482"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/0287\/collections\/Four-Point-Probe-stage-Featured-Photo.jpg?v=1786459738","url":"https:\/\/www.ossila.com\/collections\/surface-characterization.oembed","provider":"Ossila","version":"1.0","type":"link"}