Technical parameter:
Measurement range specifications: 2000, 20000, 100,000lux
Temperature characteristics: ± 0.1%/°C
Photoreceptor: Lightweight secondary tube with filter lens
Overload display: display the highest bit "1".

Function description:
Measuring range: 1 lux to 100,000 lux
High precision and fast response
Reading value lock function. Lockable measurement value
Symbol and unit display. Easy to read
Auto-zero

Instructions for use:
1. Turn on the power
2. Select the appropriate measurement gear
3. Open the light detection cover and align the front of the light detector with the light source to be measured.
4. Read the illuminance meter LCD
5. When reading the measured value, if the highest digit shows "1", it means overload, and you should immediately select a higher-level bit measurement.
6. Data HOLD switch, pull the switch to HOLD, LCD displays the "H" symbol, the display value is locked, pull the switch to ON, you can cancel the reading lock function
7. After the measurement is completed, please cover the photodetector and turn off the power of the instrument.