Description : MASTECH MS6612 Digital Multi Function Lux LCD Light Meter Luxmeter Brand Name : Mastech Model Number : MS6612 Features : Automatic and manual range switching Inquiry function for maximum and minimum values. Data hold function. Peak value measurement function. Relative value measurement function. Zero calibration function. 3 1\/2 bit LCD display， with analog bar display. Fc\/Lux unit conversion function. Outrange indication (When the measured value exceeds the current range， LCD will display the signal !#!amp!*!quot;OL!#!amp!*!quot; to indicate that the range is overreached). High precision. Measurement range (0.00~200000Lux). Low battery indicator. Touch tone and mute function. Auto power-off function (The machine will be powered of automatically keys are not operated for more than 10 minutes) Compact design， durable， and portable. Specification : Temperature range : Operation : -10~50 C， max 80% HR(Non-Condensed) Storage : -10~50 C，max 80% HR (Non-Condensed) (removing batteries) Sampling rate : !#!amp!*!ge;2 times\/s Display : 3 1\/2 digits， max reading of 1999， with analog bar display Sensor : silicon photoelectric diode Measured spectral range : 320~730nm Measurement ranges : 20， 200， 2000， 20000， 200000 Lux 20， 200， 2000， 20000 FC Operating environment : indoor use Height : 2000m highest Battery life : Approx. 200 hours Power supply : 1x9V，IEC 6LR61 Dimensions (HxWxD) : 190 mm x 89 mm x 42.5 mm Unit conversion for illuminance scales 1 Fc = 10.764 lux 1 lux = 0.09290 Fc Package included : 1 x MASTECH MS6612 Digital Luxmeter 1 x 9V IEC 6LR61 Battery 1 x Carry Bag Details pictures :