... to 14.00 PH, resolution 0.01 PH Specifications· Measuring range: 0.00 to 14.00 PH, resolution 0.01 PH· Potential: -1999 to ... 99.9°C, resolution 0.1°C· Accuracy: ±0.05 PH· Temperature compensation: automatic temperature compensation, compensation range 0 to 99 ... connect, cable length 5m, Pmax=0.6MPa· Maximum and minimum PH value for alarming, contact rating 220VAC/6A· RS-232C interface ...