The PCE-228 pH meter is an easy to use handheld device for measuring pH, mV and °C.

Measuring range
-pH: 0.0 to 14.0 pH
-Temperature: 0 to 100 oC
-Redox potential: -1999 to 0 to 1999 mV (only with the optional Redox electrode)
Resolution
-pH : 0.01 pH
-Temperature: 0.1 oC
-Redox potential: 1mV
Accuracy
-pH: ±0.02pH
-Temperature: ±0.5°C
-Redox potential: ±0.5mV

For simultaneous measurement of pH value and temperature.

Measuring range
Ph: 0.0 to 14.0 pH
Temperature: -5 to 80 oC
Resolution
pH : 0.01 pH
Temperature: 0.1 oC
Accuracy
pH: ±0.02pH
Temperature: ±0.8°C

Precision pH /rH/ redox / temperature measuring instrument

Measuring range
-pH: 0,00 ... 14,00 pH
-Redox potential (ORP): -1999...2000 mV.   for hydrogen system (DIN38404): -1792 ... +2207 mVH (at 25°C)
-Temperature: -100,0 ... +250,0°C or -148,0 ... +482,0°F
-rH: 0,0 ... 70,0 rH
Accuracy: (device) (±1 digit) (at nominal temperature = 25°C)
-Temperature: ±0,2°C (-20...+80°C), otherwise ±0.4°C
-pH: ±0,01 pH
-Redox potential (ORP): ±0,1% FS (mV or mVH)
-rH: ±0,1rH