Portable 0-20000 Lx High Accuracy Digital Light Meter Photometer Illuminometer Luxmeter Temperature Measurer Condition: Item Type: Light Meter Material: ABS Color: As shown in the picture Weight: Approx.136g/4.8oz Model MT-912 Measurement range 0〜200KLx/ 0〜20K fc Accuracy +/- 3％rdg +/- 8d(<10,000lx),+ /-4％rdg +/- 10d(> 10,000lx) Temperature range -20〜70℃ Temperature accuracy +/- 1.5℃ Sampling rate 2 times / second Lx resolution 0.1(<1000),1(> 1000) Temperature resolution 0.1 Operating condition -20〜60℃,10％rh〜75％RH Storage condition -20〜60℃,10％rh〜75％RH Power supply 3 x 1.5V AAA battery(Not included) Battery life Over 60 hours