supply of battery-operated, rechargeable digital insulation tester , battery-operated, rechargeable digital insulation tester with selectable test voltages 500v, 1 000v, 2500v, and 5000v with an insulation resistance measurement range up to 1000 gω with accuracy of minimum plus/minus 5 percentage. suitbale for measurement and automatic calculation polarization index (pi) and dielectric absorption ratio (dar) and continuity testing. essential features include a programmabl e test timer ranging from 10 to 600 seconds, automatic discharge of capacitive circuits under test for safet y, large backlit display with both graphical and numeric readouts with data storage. equipment conforms t o ip 40 , iec 61010-1 , cat iii 600v or cat iv 600v or cat iv 300v safety standards. the supply must be complete, including a 240v ac/50hz charging adapter, a full set of test leads (line, earth, guard) with allig ator clips, and a heavy-duty carry bag. [ warranty period: 30 months after the date of delivery ] ]