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HT620L digital lux light meter lumenmeter is a professional high precision light test tool. It determines the proper exposure for a photograph. Hand-held design and small size make the lumenmeter lightweight and easy for you to carry it. Compact and ergonomics design makes the lux light meter fits hand perfectly, providing a comfortable grip feeling.
Description:
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.
Features:
Data hold
Auto/Manual range
MAX/MIN function
Relative function
Units of measure: Lux/Fc
Selecting light source
Self-defined light source coefficient
Package Include:
1* Digital Lux Meter
1* Bag
1* User Manual
Specifications:
Model:HT620L
Range LUX/FC:1000?10000?100000
Accuracy: ±(3%+5Lux) (at 2854°K incandescent lamps), ±(6%+5Lux) others
Cosine angle deviation characteristics: 30° ±2%; 60° ±6%; 80° ±25%
Calibration: Calibrated to a standard incandescent lamp at color temperature 2854ºK
Resolution: 1LUX/1FC
Sensor: Silicon photo-diode and spectral response filter
Operating Temperature:0~40°C
Operating Humidity:<80%RH
Altitude :<2000m
Storage Temperature:-10~50°C
Storage Humidity:< 80%RH
Sampling rate: Approx. 2 times per second
Spectral range: 320~730nm
Auto power off: 10 minutes
Power: 3 x 1.5VAAA batteries (Batteries not included)