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Product Code G2001A1
Price $1,563 ex. VAT

Versatile, Affordable, and Simple Optical Spectrometer

Miniature USB system for UV-Vis spectroscopy measurements

Overview | Specifications | Features | Gallery | Software | In the Box | Accessories | Resources and Support

The Ossila Optical Spectrometer is an accessible system, bringing affordable UV-Vis-NIR spectroscopy to research scientists worldwide. The fully programmable, modular design fits nicely into most existing UV-Vis-NIR optical spectroscopy labs. A simple command library and trigger modes make it easy to integrate into your workflow.

The compact CCD detector, fiber optic and USB compatibility, and intuitive free software mean you can quickly start measuring the optical properties of your samples. Our versatile and modular design allows you to analyze many different samples, including solutions and thin film samples.

Buy as an independent modular spectrometer or as a part of our complete optical spectroscopy kit to get started straight away.

Two-year warranty

Two-Year Warranty

Buy with confidence

USB-C powered optical spectrometer

USB-C Powered

Power with your computer or laptop

Powerful optical spectrometer

Powerful Electronics

High-speed 16-bit, 500 kSPS ADC

Free software with our optical spectrometer

Free Software

With free updates


Dimensions (D x W x H) 78 mm x 78 mm x 38 mm (3.07" x 3.07" x 3.07")
Weight 150 g (0.33 lb)
Wavelength Range 320 nm – 1050 nm
Grating Blaze Wavelength 500 nm
Resolution (FWHM) 2.5 nm
Optical Input SMA 905 fiber or free space
Entrance Slit Width 25 µm
Connection Type USB type-C
Communication Protocol Serial-over-USB
Dark Noise* <50 counts
Signal-to-Noise Ratio >500:1
Detector Type / Pixels CCD / 1600
Analog-to-Digital Converter 16-bit, 500 kSPS
Data Transfer Speed* Up to 100 fps (PC dependant)
Stray Light <0.2%

* Measured at 50 us integration time

Optical Spectrometer Features

Dynamic Spectral Range

Dynamic Spectral Range

Capable of meauring the entire visible light spectrum, from the UV-A band to near infrared. With a range of 320 nm to 1050 nm and resolution of up to 2.5 nm, our system can be used to study a wide range of materials including photovoltaic, solar cell, OLED, biological, and 2D materials.

Fast Acquisition Speeds

Fast Acquisition Speeds

A powerful Arm Cortex M4 processor works with a high-speed 16-bit, 500 kSPS, analog-to-digital converter. Our system can transfer over 100 frames-per-second to the host computer when running in internal trigger mode. Plus, a six port I/O expansion header allows for easy integration with other 5V equipment.

Compact and Modular Design

Compact and Modular Design

The clever design of the Ossila Optical Spectrometer combines optical elements and internal electronics into an extremely small footprint. The result is a lightweight, compact but powerful UV-Vis-NIR spectrometer.

Internal and External Trigger Modes

Internal and External Trigger Modes

Use in free-running mode, or integrate with other systems using the external trigger input. The rolling integration mode lets you control the integration time dynamically. With an output to synchronise acquisition with an external shutter plus two general purpose outputs, it features six I/O ports in total, including a ground port.

USB Powered

USB Powered

Power your optical spectrometer via the USB port. There is no need for an additional, dedicated power supply.  Get up and running quickly and easily with either your computer or laptop - simply plug in via the USB port and begin measuring.


I have been using the Ossila Optical Spectrometer in my research to measure absorption, transmission, and reflectivity. I highly recommend it to anyone who is looking for a cheap, fast, reliable and easy-to-use spectrometer for their optical experiments.

Kyriacos Georgiou, PhD, University of Cyprus

Ossila Optical Spectrometer kit Fluorescence Optical spectrometer in lab Ossila Optical Spectrometer Spectrometer Close up Ossila Optical Spectrometer Set up

Spectroscopy Software

The Ossila Optical Spectrometer comes with powerful spectroscopy software which makes it quick and easy to control the device and start collecting data.

Take background spectra and measure intensity, transmission/reflection, and absorbance measurements in just a few clicks. The spectroscopy software also features spectral averaging and accumulation, peak detection, offset and gain adjustment, and more - all via a straightforward user interface.

Software updates are provided at no extra charge and are available to download from our website.

Spectrometer software showing white light source spectrum Spectrometer software in dark mode
The software showing the spectrum for the Ossila Broadband White Light Source (hover/tap to see dark mode)

In the Box

  • Optical spectrometer
  • USB-C power cable
  • Detector filter for spectroscopy in the visible range

Accessories and Related Products

Optical Spectroscopy Kit

Optical Spectroscopy Kit
  • Unbeatable Value
  • Includes Spectrometer and Accessories

Worldwide Delivery £2400

Resources and Support

Choosing a spectrometer How to Choose a Spectrometer

Some factors that you should consider when choosing an optical spectrometer are the range of wavelengths you need to measure, the size and weight of the instrument, and its data collection capabilities.

Choosing a light source for your spectrometer Choosing a Sample Holder for Spectroscopy

The light source you will need to use depends on the measurements you are doing.

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