| LCRT-2005-S |
| Measurement Set-up |
CIE 130 & DIN 5036 luminance ratio method with diffuse light source (Inverse ECE R43 set-up); BTS256 Diode array detectors for reference and measurement signal |
| Measurement Conditions |
0.38° field of view; Incident angle on test sample 0°; 6.6 mm beam diameter at zero measurement distance. 12.6mm beam diameter at 1000mm measurement distance |
| Light Source |
Integrating sphere with white light source; Diode array reference detector |
| Detector |
Radiance sensor with diode array spectrometer and achromatic corrected optic; Simu- lation of Illuminant A, D65 sample illumination by spectral measurement data |
| Transmittance Measurement Range |
5 to 100% at color neutral attenuation |
| Transmittance Uncertainty |
± 1% absolute |
| Transmittance Resolution |
0.1% |
| Calibration |
Transmission measurement without sample for 100% adjustment |
| Transmission measurement with calibrated transmittance standard filter |
| Operation Temperature, Humidity |
+ 10 to + 40 deg C (above dew-point); <85% at the instrument |