User manual

01/ 2007 BENNING LUXMETER
26

6. Technical data
6.1 Illuminance probe BENNING Luxmeter Typ B (Art.Nr.: 044111)
Measuring
range (lux)
Resolution (lux) Accuracy
0.01 ÷ 19.99 0.01
± (5 % of reading
+ 2 digits)
20.0 ÷ 199.9 0.1
200 ÷ 1999 1
2.00 ÷ 19.99 k 10
Table 5: Illuminance, specifications valid in conjunction with installation
tester BENNING IT 120
Measurement principle silicon photodiode with V(λ) filter
Spectral response error < 3.8 % according to CIE curve
Cosine error < 2.5 % up to an incident angle of +/- 85 Grad
Overall accuracy matched to DIN 5032 class B standard
6.2 Illuminance probe BENNING Luxmeter Typ C (Art.Nr.: 044112)
Measuring
range (lux)
Resolution (lux) Accuracy
0.01 ÷ 19.99 0.01
± (10 % of reading
+ 3 digits)
20.0 ÷ 199.9 0.1
200 ÷ 1999 1
2.00 ÷ 19.99 k 10
Table 6: Illuminance, specifications valid in conjunction with installation
tester BENNING IT 120
Measurement principle silicon photodiode
Cosine error < 2.5 % up to an incident angle of +/- 85 Grad
Overall accuracy matched to DIN 5032 class C standard