4-in-1 pH, H₂, ORP & Temperature Water Quality Tester- GAOTek

4-in-1 digital tester for pH, ORP, H₂ (ppb/ppm), and temp. Features ATC, backlight, auto power-off. Ideal for hydrogen water, pools, labs & more. 

SKU: GAOTek-WQT-225 Category:
Description

Description

Features

  • Accurately measures pH, oxidation-reduction potential (ORP), dissolved hydrogen (H₂ in ppb/ppm), and temperature. 
  • pH resolution of 0.01 with stable readings; ORP and H₂ offer wide-range, high-sensitivity detection. 
  • Ensures accurate results across varying water temperatures (0–60 °C). 
  • Clear visibility in all lighting conditions with HOLD function to lock readings. 
  • Auto shut-off after ~5 minutes of inactivity to conserve battery life. 

 

Technical Specifications

Measurement Modes  pH, ORP (mV), Dissolved H₂ (ppb/ppm), Temp 
pH Range  0.00 – 14.00 (0.01 resolution) 
ORP Range  -1200 to +1200 mV 
Dissolved Hydrogen  0 – 2400 ppb (or ppm equivalent) 
Temperature Range  0 °C – 60 °C (32 °F – 140 °F) 
Display  Green Backlit LCD 
Calibration  pH: 3-point; ORP & H₂ pre-calibrated 
Automatic Temp Comp  Yes 
Auto-Hold Function  Yes 
Auto Power-Off  After ~5 minutes idle 
Operating Environment  0–50 °C, 85% RH max 
Warranty  12 months