Multi-Point Calibration pH Meters

GAO Tek’s multi-point calibration pH meters are sophisticated instruments designed for highly accurate acidity and alkalinity measurements. Unlike two or three-point calibrations, these devices utilize multiple standard buffer solutions, strategically covering a broad pH range. Some key features and benefits of our multi-point calibration pH meters include unmatched precision, customization for varied samples, enhanced sensitivity and linearity, extended range coverage, and advanced quality assurance.
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GAOTek Dissolved Oxygen pH DO Meter

This Oxygen pH DO Meter has temperature range of 32 °F to 212 °F, response time less than 30 s and 12V AAA battery.

GAOTek High Accuracy pH Meter

This High Accuracy pH Meter has the dissolved oxygen range of 0.00-2000 mg/L (or ppm), an auto-temperature compensation range of 32 °F to 104 °F.

GAOTek PH Controller with 3 Points Calibration (Reset Function)

This PH Controller with 3 Points Calibration (Reset Function) is designed for monitoring the pH of liquids in chemical, pharmaceutical, environmental protection and food industries.

GAOTek PH Meter with mV/Temp ( Temp. Compensation, 3 Point Calib)

This PH Meter with mV/Temp (Temp. Compensation, 3 Point Calib) is designed using 3 point calibration for high accuracy measurements and supports automatic temperature compensation over the complete pH range from -1.00 pH ~ 15.00 pH.