Gamma Scientific 1M Integrating Sphere
Gamma Scientific, NVLAP Lab Code 200823-0, has been awarded accreditation by the National Voluntary Laboratory Accreditation Program under the Energy Efficient Lighting Products Program. This includes LM-79 accreditation for Solid State Lighting Luminaires – Total Flux Measurements (Luminous Efficacy) and Solid State Lighting Luminaires –Luminous Intensity Measurements.
Complete Listing of Gamma Scientific NVLAP Laboratory Accreditation Scope
Gamma Scientific offers an extensive range of calibration services in accordance with ANSI/NCSL Z540-I-1994 using our in-house, NIST-calibrated standards. All Gamma Scientific standards are calibrated annually by NIST, ensuring the lowest uncertainty calibrations and measurements available from a non-national standards lab.
Solid-State Lighting (SSL Testing)
- High Resolution Goniometric Measurements
- Total Power Output using our 2 meter sphere
- Spectroradiometric Measurements
- Low Uncertainty (~1%) Photometric Measurements
- Output Efficiency (Lumens/Watt)
- Lumen Depreciation Testing
- Specific Environmental Testing Conditions
Photometric and radiometric measurements
- Lumens
- Lux (lumens/m²)
- Footcandles (lumens/ft²)
- Candelas (lumens/steradian)
- Candela/m² (nit)
- Footlamberts (1/pi*candela/ft²)
- Watts
- Watt/cm²
- Watt/cm²/sr
Spectral radiometric measurements (covering 200 nanometers to 2.4 micrometers)
- Watts/nm
- Watt/cm²/nm
- Watt/cm²/sr/nm
Display measurements (flat panel, projection, and CRT)
- Color and chromaticity
- Luminance
- Viewing-angle color and luminance
- Polarization
Night-vision measurements
- ANVIS Radiance (AR) per MIL-STD-3009 and MIL-L-85762A down to 10-12 AR
- Spectral radiometric measurements down to 10-16 watts/cm²/nm
Transmission measurements
- Spectral transmission measurements available down to 0.0001% transmission
Reflection measurements
- Spectral specular and diffuse reflection measurements available down to 0.01% reflection
Filter Design
- Extensive filter fit and design capabilities for photometric, radiometric and tristimulus filter designs for CCD, CMOS, and silicon detectors
Goniometric measurements
- Full goniometric classification of lamps and reflectors down to 0.002 degree repeatability
Traffic/Highway Safety calibration and measurement
- Gamma’s highway safety products are now sold under the RoadVista name. For information on related measurement services see Photometric Range Calibrations from RoadVista.
