Digital Insulation Resistance Tester To Check Ir Of Electrical Equipment . Test Voltages 100V/ 250V/500V/1000V For Insulation Resistance Upto 5 Giga Ohms. Ac Voltage 30V-750V. Display Count 2000. B Uilt In Lcd Display, Cat Iii 600V Safety Rating. Supply Includes Batteries, Leads & User Manual, Nabl Certified Lab Calibration Report .Tester Shall Be As Per Stan One Model No. -Sit 500.Accepted Make-Stan One Or Fluke Or Similar. [ Warranty Period: 30 Months After The Date Of Delivery ] ]