Light Meters & Sensors
We are the leading provider of professional light measurement devices.
Our extensive selection includes sensors, light meters, photometers, radiometers, reference standard detector systems, and trans-impedance amplifiers, ensuring we meet your specific testing requirements. By combining our wide range of optical meters, detectors, and accessories with state-of-the-art calibration facilities, our application engineers can assemble precision measurement solutions for nearly any project.
Light Measurement Sensors
Gamma Scientific offers a catalog of professional light intensity measurement devices for photometric and radiometric applications. These devices are typically utilized by laboratories, OEM’s, value-added resellers and other groups seeking to accurately measure light intensity and brightness. Browse our light intensity measurement device catalogs to find the right photometry or radiometry solution today.

Optical & Power Meters
The Gamma Scientific range of light meters includes handheld and benchtop models. Configuration options include a wide range of sensors and calibrations in units including: Luminous Flux (lumens) or Radiant Flux (Watts), Illuminance (lux, foot-candle) or Irradiance (W/cm2 ), Luminous Intensity (candela) or Radiant Intensity (W/sr), Luminance (cd/m2 , foot-Lambert) or Radiance (W/m2 sr), or Pulse Energy (Joules). Cooled sensors and reference standard detectors are also available.

Transimpedance Amplifier
The UDT TRAMP products are transimpedance amplifier (current-to-voltage) instruments that provide a low input impedance to accurately measure the short circuit current of phototransducers such as silicon and germanium photodetectors, vacuum photodiodes and photomultiplier tubes.

UDT-Series Integrating Spheres
Gamma Scientific offers a variety of pre-configured integrating sphere systems for use in conjunction with the UDT line of optical meters, with both 25 mm and 150 mm diameters.

Test applications for:




- Luminous Flux Measurements
- Illuminance Measurements
- Luminous Intensity Measurements
- Luminance Measurements
- Radiant Flux Measurements
- Irradiance Measurements
- Radiant Intensity Measurements
- Radiance Measurements
- LED Test & Measurement
- Laser Power Measurement
- Fiber-Optic Testing
- General Photometry & Radiometry
- Laser Pulse Measurement
- Product Line Integration
- Laboratory Research
- Display Measurement
- LED Measurement
- Laser Power
- Strobe & Signal Measurement
- Lamp Testing
- Monochromator wavelength measurement
- Real-time production testing for wavelength and amplitude
- 940nm VCSEL testing for facial recognition
- LED device or wafer-level test & characterization
- Product line or laboratory use
- Automatic Test Equipment
Our devices are typically utilized by laboratories, OEMs, value-added resellers, and other groups seeking to accurately measure light intensity and brightness.
Related REsources
Our wide range of light meters and sensors is complemented by ISO/IEC 17025 accreditation by NVLAP (NVLAP lab code 200823-0), resulting in unmatched performance. Talk to a specialist to discuss your specific light measurement needs.