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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
