The Gamma Scientific 940 LED Series Goniometers are optimized to provide precise measurement of angle dependent spatial radiation properties of large LED luminaires, lamps and modules, with models optimized for measuring different sample sizes. Every system complies with CIE, DIN, and IES standards.
All Goniometer products from Gamma Scientific are accompanied by ISO17025 accredited calibration (NVLAP lab code 200823-0) for accuracy and certainty.
Complete Goniometric Measurement Systems
- Rapid, precise characterization of of spatial light distribution
- Accurate measurement of LED luminaires, lamps and modules
- Models optimized for specific sample sizes
- Work seamlessly with our spectroradiometers or photometers to measure luminous flux, color coordinates or CRI
- Conform with CIE, DIN and IES standards
Our wide range of Goniometric light measurement solutions are complemented by ISO/IEC 17025 accreditation by NVLAP (NVLAP lab code 200823-0), resulting in unmatched performance and custom configuration as required.
Parameter | 940 LED-1200 | 940 LED-1850 |
Goniometer Type | Moving luminaire goniometer | |
Driver | Stepper motor | |
Angular Range C (horizontal) Axis | ± 160° with end switches | |
Angular Range Gamma (vertical) Axis | ± 160° with end switches | |
Resolution of Angle encoder | 0.01° | |
Reproducibility of C-Axis | ≤ 0.1° at maximum sample load | |
Reproducibility of Gamma-Axis | ≤ 0.05° at maximum sample load | |
Angular Speed of C-Axis | 16 speeds (minimum) selectable to maximum 25° / second | |
Angular Speed of Gamma-Axis | 16 speeds (minimum) selectable to maximum 14° / second | |
Travel Range Z-Axis | 311 mm | |
Alignment Laser | Mounted in the center of rotation of the Gamma axis, 1 mW, Class 2 laser | |
Equipment Setup | Stable base with integrated controller | |
Height | 1118 mm | 1448 mm |
Width | 940 mm | |
Depth | 940 mm | |
Weight | 50 kg | 52 kg |
Optical Axis Height | 965 mm | 1295 mm |
Interface | USB for connection to PC | |
Power Supply | 115 / 230 VAC 50/60 Hz | |
Power Rating | 120 W max | |
Environmental | 0 to 35° C Relative Humidity 0 to 90% non-condensing | |
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Sample Table | ||
Mounting Plate | 350 mm diameter | |
Maximum Sample Size | 1250 mm diameter | 1850 mm diameter |
Maximum Sample Mass | 30 kg | 50 kg |
Specifications are subject to change without notice. | ||
| 940 LED-1200 Series | |
| GS-1220-GONIO-1200 | LED/Luminaire Goniometric Spectral Measurement System, includes GS-1220-1-RM spectroradiometer (360-900 nm, 2.5nm slit setting, with shutter), 2m flexible fiber-optic coupler, Model 18795 Cosine Collector/Fiber Adapter with 1.5 inch sphere, Model 24876 baffle tube, 940T detector tripod, Light Touch LED software, light touch controller, 940LED-1200 Computer Controlled Goniometer, Type C with horizontal axis, for luminaires up to 1.25m. |
| GS-470-GONIO-1200 | LED/Luminaire Goniophotometric Measurement System, includes UDTi S470 flexOptometer, 20m USB extension cable, Model 3211 Diffused Photometric Sensor calibrated in lux, Model 24876 baffle tube, Light Touch LED software, light touch controller, 940T detector tripod, 940LED-1200 Computer Controlled Goniometer, Type C with horizontal axis, for luminaires up to 1.25m. |
| 940 LED-1850 Series | |
| GS-1220GONIO-1850 | LED/Luminaire Goniometric Spectral Measurement System, includes GS-1220-1-RM spectroradiometer (360-900 nm, 2.5nm slit setting, with shutter), 2m flexible fiber-optic coupler, Model 18795 Cosine Collector/Fiber Adapter with 1.5 inch sphere, Model 24876 baffle tube, 940T detector tripod, Light Touch LED software, light touch controller, 940LED-1200 Computer Controlled Goniometer, Type C with horizontal axis, for luminaires up to 1.85m. |
| GS-470-GONIO-1850 | LED/Luminaire Goniophotometric Measurement System, includes UDTi S470 flexOptometer, 20m USB extension cable, Model 3211 Diffused Photometric Sensor calibrated in lux, Model 24876 baffle tube, Light Touch LED software, light touch controller, 940T detector tripod, 940LED-1850 Computer Controlled Goniometer, Type C with horizontal axis, for luminaires up to 1.85m. |
Other Options
| 940T | Tripod for use with RadOMA and 940LED-xxxx goniometer systems. Compatible with 66146 RadOMAcam telescope and detectors with 1/4-20 threaded insert. |
