GAOTek Digital Portable pH/ORP Meter

GAOTek portable pH meter is widely used in pH measurement in environmental protection, education, scientific research, the pharmaceutical and chemical industries, the water industry, food safety inspection, and other fields.




  • Backlit LCD screen display;
  • Display pH, temperature, or mV (ORP), temperature at the same time;
  • With manual temperature compensation function, support two-point calibration;
  • Novel appearance, easy to carry and easy to operate.


Technical specification

Element test pH/mV
Measuring range pH range: 0.00 pH to 14.0 pH
mV range: -1400 mV to 1400 mV
Resolution pH: 0.01 pH
mV: 1 mV
Accuracy pH: ±0.03 pH
mV: ±0.2% FS
Stability (±0.03 pH ±1 digit)/ 3 h
Weight 2.20 lb (0.5 kg)
Size 6.69 in x 2.95 in x 1.18 in (170 mm × 75 mm × 30 mm)



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