MODEL         RANGE          ACCURACY 2718       0.0014.00PH      ±0.1PH           01999us/cm       ±2%F.S2791       019.99ms/cm      ±0.1PH           0.0014.00PH      ±2%F.S

2771       0199.9ppt        ±2%F.S           0.0014.00PH      ±0.1PH

ATC:0 to 60  Dimensions:88×55×22mmPower: DC6V/100mA or Rechargeable battery.

water testing monitor