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BM-4000/4023 BM-4100/4123

Luminance Meter .Luminance meter for standard diffusing surface illuminant.

 Luminance Meter / BM-4000/4023

Luminance meter for standard diffusing surface illuminant.
Various surface light sources, in brightness management of viewer.
LCD back light inspection and X-ray inspection film viewer management etc.
As for unit change, cd/㎡ (Nit) ｒlx and LV.
C. I. E. The spectrum sensitivity light absorbent section which is equal to spectral luminous efficiency.
The small size which is convenient to calibration,　portable type.
Under dark environment convenient back light LCD, measurable quantity hold function.



(Specification)


(Measuring Object)　　　 ：Standard diffusing surfice
(Measuring Items)　　　　：cd/㎡、rlx、LV　unit selection
(Measuring Range)　　　　：0.2 ～ 130,000 cd/㎡(BM-4000/4023)
　　　　　　　　　　　　　　　　　　　 1.7 ~ 130,000 cd/㎡(BM-4100/4123)
(Photo Detector)　　　　 ：Silicon photo diode
(Indication )　　　　　　　　：LCD display with back light
(Power Supply)　　　　　　　 ：Two Batteries (Size AA)
(Options)　　　　　　　 ：RS-232C data,AC adapter(BM-4023/4123