Sper Scientific 840020 Light Meter Lux & Foot Candle - Manual (Page 7)

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LIGHT SPECTRUM CHART
0
20
40
60
80
100
120
410 430 450 470 490 510 530 550 570 590 610 630 650 670 690 710 730 750
SPER CEI
Unit of
Measure
Range In-Range Display Res. Accuracy
Lux
40.00 0 ~ 40,000 0.01
±(3% rdg + 0.5% F.S.)
400.0 36.6 ~ 400.0 0.1
4,000 360 ~ 4,000 1
40,000 3,600 ~ 40,000 10
400,000 10,000 ~ 400,000 100
<100,000 ± (3% rdg +
0.5% F.S.). >100,000
for reference only
Foot
Candle
4.000 0 ~ 3.720
0.00
1
±(3% rdg + 0.5% F.S.)
40.00 3.35 ~ 37.20 0.01
400.0 33.5 ~ 372.0 0.1
4,000 335 ~ 3,720 1
40,000 930 ~ 37,200 10
< 9,300 ± (3% rdg +
0.5% F.S.). >9,3000
for reference only
Accuracy tested by a standard parallel light, tungsten lamp of 2856°K.