High-accuracy pocket pH meter, containing 5 setting options, 1 to 3 points calibration, suitable for measuring the pH of samples in test tubes, accuracy: 0.01 pH.
High-accuracy pocket pH meter, 1 to 3 points calibration, manual temperature compensation, the BNC connector is capable of connecting to a standard pH electrode, accuracy: 0.01 pH.
Economical portable pH meter with mV measurement mode, 1 to 3 points calibration, automatic temperature compensation, setup menu contains 7 options, accuracy: 0.01 pH.
Professional portable pH/ion meter with pH, oxidation reduction potential and ion concentration measurement modes, setup menu contains 12 options, accuracy: 0.002 pH.