Extech Instruments 401025, User Manual

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Range Specifications
Lux
Range In-range Display Resolution Accuracy (FS)
2,000 Lux 0-1,999 Lux 1 Lux ± (5% + 2digits)
20,000 Lux 2,000-19,990 Lux 10 Lux ± (5 % + 2digits)
50,000 Lux 20,000-50,000 Lux 100 Lux ±- (5 % + 2digits)
Foot-candle (Fc)
Range In-range Display Resolution Accuracy (FS)
200 Fc 0-199.9 Fc 0.1 Fc ± (5% + 2digits)
2,000 Fc 200-1,999 Fc 1 Fc ± (5% + 2digits)
5,000 Fc 2,000-5,000 Fc 10 Fc ± (5% + 2digits)
Frequency Spectrum
300 400 500 600 700 800
1
0.8
0.6
0.4
0.2
0
Wavelength (nm)