Display : 3 1/2 digits LCD display， maximum reading value display 1999 .
Ranges: 1-50，000Lux.
Resolution: 1Lux .
Accuracy: ≤10，000Lux: ±4%rdg±0.5f.s  ≥10，000Lux:±5%+10digits .
Repeatability: ±2% .
Temperature Characteristic: ±0.1%/℃ .
Test rate: 0.4 sec.
Photo detector: one silicon photo diode with filter.
Dimension: 165×67×32mm .
Weight: approx. 155 g (including battery) .

Range　
Temperature Range              1ux～50，000lux
Accuracy                                ±(4%+10 digits) ±(5%+10 digits) as over10，000lux
Repeatability                         ±2%
Temperature Characteristic±0.1%℃
Sampling Time                      0.4second

Range　
Temperature Range     1lux～100，000lux
Accuracy   ≤10，000Lux ±(4%rdg+10dgt) >10，000Lux ±(5%rdg+10dgt) 
Repeatability         ±2%
Temperature Characteristic   ±0.1%℃
Sampling Time         0.4second

Range　
Temperature Range   0.1Lux~200，000Lux  0.01FC~20，000FC
Accuracy       ±(3%rdg+10dgt)  ±(5%rdg+10dgt) as>20，000Lux/2，000FC
Repeatability          ±2%
Temperature Characteristic   ±0.1%℃
Sampling Time        0.4second