large-screen lcd digital illuminometer visible light illuminometer environmental brightness tester

Functional Introduction:

Power button: Power on/off function.

MODE button: Press briefly to switch between measurement units Lux / Fc. Press long to switch between measurement modes, which are divided into the current mode / MAX for maximum value measurement / MIN for minimum value measurement.
HOLD button: Short press for lock screen function, long press to cycle through ranges, after the cycle ends, it jumps back to the automatic mode:
200 --> 2000 --> 20000 --> 200000.
Automatic Shut-off Feature: This instrument has an automatic shut-off feature. If no operation is performed within 15 minutes, the instrument will automatically turn off the power to save battery life.

Maintenance and Care: When this instrument is not in use, it should be stored in a dust-free/shaded dry environment. If it is to be stored for a long time without use, please remove the battery to prevent battery leakage from damaging the instrument.
Battery Replacement: When the instrument screen displays a low battery voltage indicator, it indicates that the battery is near exhaustion and needs to be replaced with a new one immediately.
1. Remove the battery cover from the back of the instrument.
2. Change the new 9V battery.
3. Cover the battery cover.

Product Specifications:

Large-screen LCD display illumination measurement value
Measurement Range: 0.1~200,000Lux, 0.01~20,000Fc
Resolution: 0.1Lux / 0.01Fc
Measurement accuracy: ±4%
Sampling frequency: 2 times per second
Unit: Lux: Lux, Fc: Footcandle
Lock screen function (Hold), maximum/minimum measurement
Automatic range selection (AUTO), with manual range selection capability.
Automatic Shutdown Feature (15 Minutes of Inactivity)
The instrument will automatically detect the battery level. When the low battery symbol appears, please replace the battery in time.
Product dimensions: 145 X 67 X 32mm, Product weight: 170 grams
A 9V battery powered

Working environment: 14 to 122°F (-10 to 50°C), 10% to 90% RH

Storage Environment: 14 to 131°F (-10 to 55°C), 10% to 95% RH