Test voltages to up 5 kV and save time by trending on the spot only with Fluke Connect" Guard system eliminates the effect of surface leakage current on high-resistance measurements Selectable test voltages in 50 V steps from 250 V to 1000 V, and 100 V steps above 1000 V Warning function alerts the user that line voltage is present and gives the voltage reading up to 600 V AC or DC for increased user safety CAT III 1000 V; CAT IV 600 V safety rating Warning function alerts the user that line voltage is present and gives the voltage reading up to 600 V AC or DC for increased user safety Selectable test voltages in 50 V steps from 250 V to 1000 V; and 100 V steps above 1000 V Automatic calculation of Dielectric Absorption (DAR) and Polarization Index (PI) with no additional setup