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Visible light emitted by fluorescent lamp, metal halide lamp, high voltage sodium lamp or incandescent lamp can be measured.
One lux is the light received on the surface of a candle with a vertical intensity of 1 meters and an area of 1 square meters.
One FC is the light received on the surface of a 1 inch square foot at a distance of 1 feet from a candle with a light intensity.
Units of measure: Lux/Fc
Selecting light source
Self-defined light source coefficient
±(3%+5Lux) (at 2854°K incandescent lamps)
Cosine angle deviation characteristics
30° ±2%; 60° ±6%; 80° ±25%
Calibration: Calibrated to a standard incandescent lamp at color temperature 2854ºK
Sensor: Silicon photo-diode and spectral response filter
Sampling rate: Approx. 2 times per second
Spectral range: 320～730nm
Auto power off: 10 minutes
Power: 3 x 1.5VAAA(LR03) batteries
1* Digital Lux Meter
1* User Manual