Dynamic range: 0.05-50,000 lm (1m integrating sphere)
0.05-100,000 lm (2m integrating sphere)
Accuracy: <±4%
Sensitivity: 0.001 lm
Repeatability: 0.001 lm
Relative spectral sensitivity of digitalV(l) sensor: f1<±5.5%
Infrared response: f3<±2%
Ultraviolet response: f4<±1.5%
Fatigue: f5<±0.5%
Nonlinear error: f6<±1%
One range, no range-changing error, f7=0
Temperature effect0.5%/°C
Refreshing frequency: 3n/s(>=1lm),1n/2s(<1lm)
3-1/2 LCD display
RS232 computer interface and software
Power supply: 9V Battery
Size(L×W×H): 135×72×33(mm)
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