GMS-2200 Goniophotometer with Double Mirror
In GMS-2200 Goniophotometer, the tested luminaire rotates only around the fixed vertical axis in the prescribed burning position and the reflecting mirror rotates around the horizontal axis, meanwhile, the mirror on rotating table in the opposite side rotates around the horizontal axis synchronously to pursuit the measuring beam reflected by the first mirror, and then reflect the measured beam perpendicularly towards to the fixed detector at the horizontal rotation axis. The combined motion of the luminaire and mirror permit the measurement of luminous intensity at the direction of any horizontal or vertical angle without tilting the luminaire.
- Parameter
- Guide
In GMS-2200 Goniophotometer, the tested luminaire rotates only around the fixed vertical axis in the prescribed burning position and the reflecting mirror rotates around the horizontal axis, meanwhile, the mirror on rotating table in the opposite side rotates around the horizontal axis synchronously to pursuit the measuring beam reflected by the first mirror, and then reflect the measured beam perpendicularly towards to the fixed detector at the horizontal rotation axis. The combined motion of the luminaire and mirror permit the measurement of luminous intensity at the direction of any horizontal or vertical angle without tilting the luminaire.
Specifications:
- Tested luminaires are fixde in a stable burning situation;
- Measuring light incidence perpendicularly to the fixed photodetector;
- Excellent low stray light by installation of multi-baffles between tested luminaire and the photodetector;
- Light-trap plate moving synchronously with the mirror to eliminate the stray light of background reflection;
- Equipped with photodetector and color detector,which meet the requirements of spatial non-uniformityof chromaticity in IES LM79-08.
