BDMETER Digital Light Meter, Multifunctional Handheld Illuminance Meter Temperature Measurer with Range up to 200,000 Lux Luxmeter LCD Screen

Description: ?Enable/Disable auto power off ?Automatically revise parameters for nonstandard illumination ?Selectable measurement units LUX/FC ?MAX/MIN record ?Backlight LCD display, facilitating the operation in the dark places ?Automatic measurement Note: Battery not included, you need to buy 3*1.5V AAA batteries Specifications: ?Display: 4 digital color LCD display ?Measuring range: 0~200,000 lux, 0 ~ 20,000 Fc ?Resolution: <1000: 0.1; >1000: 1 ?Accuracy: ±3% rdg ± 8 dgts (<10,000 Lux), ±4% rdg ±10 dgts (>10,000 Lux) ?Spectral response: CIE photopic (CIE human eye response curve) ?Spectral accuracy: CIE V (?) function (f1' ? 6%, f2' ? 2%) ?Auto power off: 15mins when not in use ?Over range indication: LCD displays "-OL-" or "-LO-" ?Sampling rate: 500ms ?Photo detector: silicon photodiode with spectral response filter ?Dimension (L*W*H): 174.5*56*30.5mm Included: ?1x Light Meter ?1x User Manual