Features
Windows control software (BenWin+) provides full automation via USB 2.0
Setup comprises a DH400-VL v-lambda detector, ORM400 photometric detector, the 477 and the USB Digital Scope.
Applications
ENERGY STAR® Method of Measurement for Light Source Flicker
California Energy Commission Appendix JA10
1789-2015 - IEEE Recommended Practices for Modulating Current in High-Brightness LEDs for Mitigating Health Risks to Viewers
UEFA Stadium Lighting Guide 2016
CIBSE LG04 Lighting Guide 04: Sports Lighting - LG4
ASSIST recommends…Recommended Metric for Assessing the Direct Perception of Light Source Flicker, Volume 11, Issue 3 (ASSIST 2015)
Photometric Detector/ ORM400
| Spectral function |
CIE 1924 V(λ) Spectral Luminous Efficiency Function for Photopic Vision |
| Spectral response range |
380-780nm |
| Photopic match, f1 |
<3% |
| Angular response, f2 |
<1.5% |
| Linearity, f3 |
< .2% |
| Typical responsivity |
5x 10-10A/lux |
| Calibration traceability |
Physikalisch-Technische Bundesanstalt (PTB, Germany) |
| Diffuser diameter |
7mm |
| Stray light suppression |
Variable aperture baffle tube |
| Connector |
BNC |
| Amplifier gain ranges |
1010-105 V/A |
| Maximum input |
100µA |
| Input impedance |
Virtual ground |
| Gain accuracy & stability |
±1 %, 200 ppm/ °C |
| Output stability |
5-500 ppm/ °C dependent on gain range |
| ADC resolution |
4 ½ digit BCD (0 to 19999) (>14 bit resolution) |
| Luminous intensity range |
0.01D2-200000D2 (D photometric distance (m)) |
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