... VAC 50/60Hz.Measurement range0.00 ~ 14.00pH, -1999mV~+1999mV,-30°C~130°C.Display typeLCD.Display informationpH / ORP (mV), pH mV, temperature, proportion ... ), Alkali-proof type (option)Salt bridge typeTEFLON, Ceramics (option)Integrated temperature sensor (Option)Pt100, Pt1000, 10K, 2.252KJacket materialPPS (polyphenylene sulfide)Jacket ...