TENMARS TM-215 光度计 (0~400,000Lux)

Measuring range

400.0/4000/40,000/400,000 Lux

40.00/400.0/4,000/40,000 Foot-Candle

0.1/1/10/100 Lux

0.01/0.1/1/10 Foot-Cnadle

Relative spectral responsivity (f1´): ±8 % of the CIE spectral luminous efficiency V (λ)

Cosine correction characteristics  (f2): ±6%

Angled incident light characteristics

10°: ±1.5%     30°: ±3%     60°: ±10%     80°: ±30%

Accuracy: ±3% (Calibrated to standard incandescent lamp 2856ºK and < 3000 Lux)

Linearity(f 3 ) (accuracy) < 3000 Lux : ±5% of reading ±1 digit

3000 Lux to 9999 Lux : ±7.5% of reading ±1 digit

> 10000Lux(930 fc) N/A

Response time

Auto range: 5 seconds or less ;

Manual range: 2 seconds or less