... .9°C, resolution 0.1°C· Accuracy: ±0.05 PH· Temperature compensation: automatic temperature compensation, compensation range 0 to 99 ... display area 54×36(mm), values of PH, ORP, temperature, date andclock can be displayed simutaneously.· PH compound electrode, 6’ pipe-threading connect ... cable length 5m, Pmax=0.6MPa· Maximum and minimum PH value for alarming, contact rating 220VAC/6A· RS-232C interface ...