Function and measurement
A measurement of fluorescent lamp, metal halide lamp, high pressure sodium lamp or incandescent lamp light source of visible light
Measuring range:
20, 200, 2000, 20000, 200000 Lux (Lux)
20, 200, 2000, 20000 FC (Chi Zhuguang)
Precision:
± 3% (at 2854 ° K in accordance with the ordinary incandescent lamp calibration);
± 6% other visible Guang Guangyuan
The cosine angle deviation characteristics:
30 °, ± 2%
60 °, ± 6%
80 °, ± 25%
Technical specifications
9V battery, about 200 hours of battery life
Operating temperature: -10 ℃ to 50 ℃; relative humidity: 0 to 80%
Storage temperature: -10 ℃ to 50 ℃; relative humidity: 0 to 70%
Host size: 130 x 63 x 38 mm
Weight: 220 grams (including battery)
Warranty period: 1 years
The auxiliary function
Manual and automatic range selection
The maximum and minimum value
Data retention
Automatic shutdown