$114.00
SE
KEDIDA CT-6023 Pen type acidity meter with built-in electrode PH Range: 0.00~14.00PH
PH value0~14pH
Pen type, built-in electrode; 0.00~14.00PH range; LCD screen; simultaneous measurement of pH value and temperature value; full waterproof; automatic temperature compensation; display lock; three-point calibrated.

$117.00
SE
PH acidity meter AOLILONG PHB-2 Accuracy is +/- 0.02pH
0~14.00pH
Accuracy +/- 0.02pH; Portable, external PH electrode; stainless steel electrode interface; with positioning and slope indicator; with temperature compensation.

$125.00
SE
PH value of hydrogen ion concentration measurement in aqueous solution by AOLILONG PHS-2C digital acidity meter
0~±1999mV0~14.00pH
PH Measurement range 0~14.00pH, PH Measurement accuracy +/- 0.02PH, Temperature Measurement range 0~60 ℃, Input Impedance ≥ 1012Ω, mV Measurement accuracy +/- 0.1% F.S, mV Measurement range 0~ +/- 1999mV.

$221.00
SE
BANTE S10 Wireless Bluetooth pH Meter
±2000.0mV-2.000~20.000pH
High-performance wireless Bluetooth pH Meter, suitable for Android smartphones and tablets, 1 to 5 point calibrated, setting menu can customize 14 functional parameters, Measurement accuracy: 0.002pH.

If you don't know how to choose "PH Meter", please consult customer service.