pH water quality testing pen

A pH water quality testing pen utilizes a glass electrode and a reference electrode to form a galvanic cell, measuring the potential difference generated by the hydrogen ion concentration in the water sample, which is then converted into a pH reading via an electronic circuit. It is used for rapid on-site detection of water acidity or alkalinity and is suitable for applications such as aquaculture, wastewater treatment, and drinking water monitoring.
Selection
When selecting, focus on the measurement range covering the common pH values of water bodies, with accuracy meeting detection requirements. Consider the temperature compensation function to adapt to different environments, and ensure the electrode material is corrosion-resistant. Check whether the calibration method is simple, and whether the power supply endurance meets the frequency of use. The device's protection rating should suit the working environment, and data reading should be clear and intuitive.

Terms

Standards

Instruments

Measurement accuracy +/- 0.1pH, support three-point calibrated, built-in ElectRode design, compact and easy to carry, suitable for outdoor water quality testing, simple and reliable operation.

$ 101.00

Measurement accuracy of +/- 0.1pH with three-point calibrating technology, PH and temperature can be measured simultaneously, compact and portable, suitable for outdoor use.

$ 107.00

With pH, ORP, dissolved oxygen three measurement functions, support automatic temperature compensation and salinity compensation, built-in 500 data storage, equipped with USB Communication interface, Measurement accuracy of +/- 0.002pH.

$ 630.00

Measurement range pH -2.00 to 16.00, accuracy +/- 0.01pH, support for Automatic calibration and temperature compensation, IP67 Protection Rating ensures durability.

$ 154.00

Can simultaneously measure 10 water quality indicators, including pH, ORP, conductivity, etc., with IP67 waterproof and automatic temperature compensation function, data storage capacity of 45,000, adapt to harsh environment measurement needs.

$ 3373.00

16 water quality paraMeters can be measured simultaneously, equipped with IP67/IP68 waterproof rating, support automatic temperature compensation and 44,000 Data storage, Measurement accuracy of +/- 0.02pH, intuitive and convenient operation.

$ 7264.00

Using external ElectRode design, Measurement accuracy of 0.01pH, support 0.1-14 pH range and 0-50 ℃ temperature measurement, small size for on-site detection and operation.

$ 112.00

Integrate 8 water quality paraMeter measurement functions, support automatic temperature compensation and calibrated reminders, equipped with 500 sets of data storage capacity, and adopt multi-mode power supply scheme to ensure long-term outdoor use.

$ 909.00

With 5 measurement functions, support 1 to 5 point Conductivity Detector calibrating and automatic temperature compensation, can customize 13 paraMeters, equipped with 500 data storage and USB Communication interface, suitable for a variety of water quality paraMeters accurate measurement.

$ 667.00

Support pH, conductivity, TDS and other seven paraMeter measurement, Data storage 450 groups, with automatic temperature compensation and ElectRode diagnostic function, dustproof and waterproof grade IP54, Measurement accuracy of +/- 0.01pH.

$ 772.00

Can simultaneously measure pH, dissolved oxygen and temperature paraMeters, support automatic temperature compensation and ElectRode diagnosis, data storage capacity of 450 groups, with statistical analysis and Bluetooth printing function, dustproof and waterproof grade IP54.

$ 812.00

Measurement range 0.00-14 pH, accuracy +/- 0.05pH, with temperature compensation function, portable design for easy field use, large screen LCD display is clear and intuitive.

$ 114.00

Measurement range 0.00-14 pH, accuracy +/- 0.05pH, with automatic temperature compensation function, portable design for on-site fast detection, repeatability error only +/- 0.03.

$ 105.00

12 water quality paraMeters can be measured simultaneously, with IP67 waterproof rating and 45,000 data storage capacity, support automatic temperature compensation and fast calibrating, with backlit graphic display and intuitive Operating interface.

$ 2949.00

Measurement range pH 0.00-14, EC 0.00-20 mS/cm with automatic temperature compensation and stable reading lock function for easy operation.

$ 409.00

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