Protmex 620L Digital lux LED Light Meter, Photography lumenmeter Meters luminometer, 2000 Counts 0-200000 lux/0-20000FC(0.01lux/0.01fc Resolution) with auto Manual Range, max/min, Data Hold

PT620L PROTMEX Digital Lux Light Meter, PT620L Lumenmeter Lux/FC Meters Luminometer

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.。

Product Function

Data hold
Auto/Manual range
MAX/MIN function
Relative function
Units of measure: Lux/Fc
Selecting light source
Self-defined light source coefficient

Selecting light source

1. Press and hold the UNIT button (2 seconds) to put the selecting light source mode. The “L.S.Ln” icon will appear on the display, and the “n” number will flicker.
2. Press RAN or UNIT button to change “n” number.
3. After the selection is completed, press   button to confirm, and exit selecting light source mode.

Application

180 Degree Rotation

Auto/Manual range

Testing Light Source Stability

Product Specification

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 conditions:
Temperature:0～40°C
Humidity:<80%RH
Altitude :<2000m
Storage conditions:
Temperature:-10～50°C
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(NOT INCLUDE)