It can measure not only current values， maximums， and minimums of illuminance and temperature， but also illuminance difference， integrating illuminance， and average integrating illuminance. It is widely used in electro-optical sources， research teaching， metallurgy building， researching and illumination control. Features:Powerful measurement functions: measurecurrent values， maximums， and minimums of illuminance and temperature， illuminance difference， etc.Automatic storage of illuminance data is up to 1900 groups and manual data up to 60 groups.Wide measurement range(0 to 200，000 lux) and support of automatic range shift.Delivered with PC-based analysis software， allowing users to operate the meter with ease.Quick response， high portability， and operable by a single hand.LCD backlight to facilitate operation in darkness.Auto shutdown， data hold function， optional units for illuminance and temperature.Specifications:Photoelectric Element: Silicon DiodeThermal Probe: NTC ThermistorDisplay: LCD DisplayIlluminance Measuring Range: 0 to 200，000 LuxFour Ranges: 0~199.9 Lux; 200~1999.9 Lux; 2000~19999.9 Lux; 20000~200000 LuxIlluminance Accuracy: (+/-)3%rdg (below 10000 Lux); (+/-)4%rdg (above 10000 Lux)Temperature Measuring Range: 0~40▲C / 32~104▲FTemperature Accuracy: (+/-)1.0▲CData Storage: (Automatic)1900 Groups; (Manual)60 GroupsSampling Rate: Twice per SecondPower Supply: USB Connection / 2 * 1.5V AAA Batteries (NOT included)Operating Temperature/Humidity: 0~40▲C， 10-90%RHStorage Temperature/Humidity: -20~50▲C， 10-90%RHMeter Size: 15 * 5 * 3cm / 5.9 * 1.97 * 1.18in (L * W * H)Meter Weight: 122g / 4.32ozPackage Size: 26.5 * 21 * 6.3cm / 10.43 * 8.3 * 2.5in (L * W * H)Package Weight: 715g / 25.22ozPackage List:1 * Digital Light Meter1 * Carrying Case1 * USB Cable1 * CD1 * User Manual (English)"
