H2 hydrogen meter with backlight for hydrogen-rich water

H2 hydrogen meter 0-2400ppb / 0-2.40ppm with backlight
for hydrogen-rich water

SPECIFICATIONS
Measurement: 0~2400PPB(0-2.4PPM);
Resolution: ±2PPB;
Accuracy: ±10PPB;
Temp. Range: 0~50℃
Resolution: 0.1℃

Operating Humidity Less than 80% RH
Display LCD, size : 20 mm x 27 mm.
Dimension: 188 x 38 mm (included electrode)
Weight: 82 g (included electrode)
LCD displays both H2 & temp.
Pen type H2 meter, all in one, electrode included, easy
Data hold function for freezing the desired value to use
Water proof.
Auto power off without operation in 10 mins
Easy to change the electrode
Compact size, light weight
Temperature measurement, ℃ 
Power supply by 1.5 V battery (LR44 ) x 4 PCs
Build in temperature sensor, ATC (auto temperature * Available for wide applications compensation)
CT-8023L: Intelligent backlight for CT-8023- Sensing technology automatically turn on or turn off LED screen
backlight to react to ambient light levels.