Display:3 Digit LCD, Range pH :pH: 0-14.00pH, ORP:0 -1999 mV.Range Temperature:-100 to + 199.9 o C.Accuracy:0.5% 1digit.Temp. Compensation:Manual : Range : 0 - 100 oC , Automatic : Range 0 -100 oC using external PT-100. Electrode:Any Combined type pH electrode with BNC connector.Standard Accessories:pH electrode , Stand, PT-100 sensor, Buffer capsules, Carrying Case , Instruction manual.