"High voltage insulation tester ideal for testing high voltage equipment including switchgear, motors, generators and cables. Meets requirements of IEEE 43-2000 . Capacitance and leakage current measurement . Resistance measurements up to 2TΩ (Fluke 1555). Ramp function for breakdown testing. Voltage breakdown detection alerts and voltage reading up to 600 V ac or dc for increased user safety. 99 measurements storage and recall and PC interface. Automatic calculation of Dielectric Absorption (DAR) and Polarization Index (PI) . Timer settings up to 99 minutes for timed tests. Guard system eliminates the effect of surface leakage current on high-resistance measurements. Large LCD display with analogue bargraph. Long life lead acid battery with over 750 tests between charges. EN 61010 safety rating CAT IV 1000 V, CAT III 1000 VTester Type = Insulation Resistance TesterMinimum Test Voltage = 250VMaximum Test Voltage = 5000VMaximum Insulation Resistance Measurement = 1TOhmsDisplay Type = LCDTest Current = 1 nA - 2 mABattery Life = 750 TestsMinimum Operating Temperature = -20°CMaximum Operating Temperature = +50°CPower Source = Battery"