TOPINCN Digital Light Meter Electronic Luxmeter Handheld Illuminance Meter Accurate Photometer Lcd Display With Range Up To 200,000

Specification: Condition: 100% Brand New Material: ABS Measuring Range: 0.1~200,000 Lx, 0.01~20,000Fc Resolution: 0.1Lx / 0.01Fc Measurement Accuracy: ±4% Sampling Frequency: 2 Times / Sec Unit: Lx, Fc Working Environment: 14 To 122°F (-10 To 50°C), 10%~90%RH Storage Environment: 14 To 131°F (-10 To 55°C), 10% To 95% RH Battery: 1 x 9V Battery (Battery Not Included) Weight: Approx. 130g / 4.6oz Size: Approx. 145x67x32mm / 5.7×2.6×1.3in Package List: 1 x Light Meter (Battery Not Included) 1 x Instruction Manual Button function introduction: Switch button: switch function. MODE button: Short press to switch the measurement unit Lux / Fc. Long press to switch the measurement mode, divided into current mode / MAX maximum measurement / MIN minimum measurement. HOLD button: Short press for lock screen function, long press cycle to switch range, jump back to automatic mode after loop: 200 –> 2000 –> 20000 –> 200000. Automatic shutdown function: The instrument has an automatic shutdown function, the button does not operate within 15 minutes, the meter will automatically cut off the power to save battery loss. Note: Do not measure in high temperature/high humidity area. When using, the light detector should be kept clean. The light source test reference standard is located at the top of the receiving sphere. When not using, please cover the protective cover to improve the service life of the instrument.