GeneralpH0.00 to 14.00pHppm0.01 to 10.00ppmmV999 to 999mVTemperature23° to 194°F (-5 to 90°C) 23° to 194°F (-5 to 90°C)Resolution0.01ppm 0.01pH 4mVAccuracy±10% of rdg. + 1ppm ±0.01pH ±1mVPowerfour SR44 button batteriesDimensions1.4 x 6.8 x 1.6” (35.6 ...