B&K Precision 615 Compact Digital Light Meter, 2 Measuring Ranges

This instrument is a portable easy to use 3-1/2 digit, compact sized digital light meter designed for simple one hand operation. It provides measurement in lux and fc units. The meter has a backlit LCD display, Peak hold (50ms pulse light) and data-hold feature. Display hold. Measurement range: 20lux to 20klux, 20fc to 20kfc. Resolution: 0.01lux, 0.01fc. Accuracy: +(3 percent reading + 10 digit). Spectral response: CIE photopic. Sample rate: 2.5/sec. Operating temperature and humidity: 32 to 122 degree F (0 to 50 degree C), at greater than 70 percent RH. Storage temperature and humidity: -4 to 140 degree F (-20 to 60 degree C), 0 to 80 percent RH with battery removed. Power supply: 9V battery. Battery life: less than 200 hours typical. Measures 2-19/32" width by 7-1/2" height by 1-25/64" depth. 1 year warranty.