PH-1L Laboratory Photometer

The PH-1L Laboratory Photometer consists of a photometric measurement system and PC-based software. The measurement system consists of a V (λ)-corrected silicon photodiode photometer head and a photocurrent amplifier with built-in data acquisition.
Specifications Ph-St-B8-Th Ph-St-C8-Th
Spectral Range 380-780 nm
Illuminance range 10-5 to 6x104 lux 10-4 to 6x105 lux
V (λ) matching, f1’ ≤ 1.5%
Cosine error, f2 N/A ≤ 1.5%
Linearity, f3 ≤ 0.1%
Fatigue, f5: ≤ 0.1%