Xyi-III Digital Light Level Meter

New Digital Light Level Meter 0.1--100, 000 lxSpecification: Dynamic range: 0.1--100, 000 lxAccuracy: <± 4%Sensitivity: 0.001 lxRepeatability: 0.001 lxRelative spectral sensitivity of digital V(l) sensor: F1<± 5.5%Direction response: F2<± 4%Infrared response: F3<± 2%Ultraviolet response: F4<± 1.5%Fatigue: F5<± 0.5%Nonlinear error: F6<± 1%One range, no range-changing error, f7=0Temperature effect: ± 0.5%/° CRefreshing frequency: 3n/s(>=1lx), 1n/2s(<1lx)3-1/2 LCD displayRS232 computer interface and softwarePower supply: 9V BatterySize(L× W× H): 135× 72× 33(mm)