pHRange-2.00to16.00pHResolution/Accuracy 0.01pH/ 0.01pHCalibrationUpto5pointswithautobufferrecognitionpHbuffer optionUSA :(pH1.68,4.01, 7.00,10.01,12.45); NIST:(pH1.68,4.01, 6.86,9.18,12.45)mVRange-600to+600mVResolution/Accuracy0.1mV/ 0.2mV(-199.9to+199.9mV); 1mV / 2mV(beyond 199.9mV)ConductivityRange..to19.99, 199.9,1999 S/cm; 0to19.99,199.9mS/cmResolution/Accuracy0.01,0.1,1 S/cm;0.01,0.1mS/cm/ 1%FullScale+1LSDCalibrationUpto5points(1pointperrange)TDSRange..to9.99,99.9,999ppm; 0to9.99,99.9pptResolution/Accuracy0.01,0.1,1ppm;0.01,0.1ppt/ 1%FullScale+1LSDCalibrationUpto5points(1pointperrange)TemperatureRange-10.0to110.0 C(14.0to230.0 F)(Meter)Resolution/Accuracy0.1 C(0.1 F)/ 0.5 C ( 0.9 F)CalibrationOffsetin0.1 CincrementsCellConstant(k)1.0Temp.CompensationAutomatic/Manual(0to100 C)ConductivityTemp.Coefficient0.0to10.0%per CNormalization Temp.15.0to30.0 C(adjustable)Special FunctionsAuto-ranging; StabilityIndicator;Hold; pHSlope/OffsetDisplay Self-diagnosticPower Requirements9VAC/DCAdapter