This Potentiometer Titrate Meter can measure various potentiometer and other mV value; it can also be used as ph meter or Na+ Concentration Meter.

(1) Range: PH: 0~14.00pH; 
               PNa+:2.3~2300
               MV:0~±1400mV
(2) Accuracy:
             PH 0.1ph/3 ph
             pNa+ 0.2pNa+
             MV: ±8.4mV
(3) Range of Temp.compensation:5~60(manual)

(1) input voltage: 220VAC/50HZ
(2) Solution temperature: 1~35 
(3) Relative humidity: Not more than 85%;