Digital Luxmeter Light Meter TASI-8721 Lux / FC Meters Luminometer Photometer 200,000 Lux Handheld Type Luxmeter Illuminometer model TASI-8721 TASI-8731 monitor 3-1 / 2-bit LCD display Measuring range 2000/20000/200000 Lux 200/2000/20000 Fc 20/200/2000/20000 Lux 2/20/200/2000 Fc Resolution 1 Lux / 0.1Fc 0.1 Lux / 0.01Fc Accuracy 4% rdg 10dgts (<10,000 lux) 5% rdg 10dgts (> 10,000 lux) (Color temperature 2856 K standard flat lamp correction) 3% rdg 10dgts (<10,000 lux) 4% rdg 10dgts (> 10,000 lux) (Color temperature 2856 K standard flat lamp correction) Repeat the test 2% Sampling rate / measurement speed About 2 times / sec Range conversion Manual or automatic Maximum and minimum measurements Have LUX / FC conversion function Have Automatic data collection There are (50 pen) Low voltage hints Have Operation and storage of temperature and humidity 0 ~ 40 C (32 F to 104 F) <70% R.H. using electric Two AAA (7) batteries Photodetector size 92 mm (L) x 56 mm (W) x 32 mm (H) Instrument size 160 mm (L) x 58 mm (w) x 25 mm (H) weight 125g (with battery) annex Manual, 7 battery two, certificate