Product selection guide: Insulation testers

Use our product selection guide to find the insulation tester that fits your needs best.
Fluke 1503 Insulation Resistance Tester
Fluke 1507 Insulation Resistance Tester
Fluke 1503 Insulation Resistance MeterFluke 1507 Insulation Resistance Tester
Insulation test voltages500 V, 1000 V50 V, 100 V, 250 V, 500 V, 1000 V 
Insulation resistance0.01 MΩ to 2 GΩ0.01 MΩ to 10 GΩ 
Auto-discharge of capacitive voltage   
Resistance0.01 MΩ to 20 KΩ0.01 MΩ to 20 KΩ 
Warranty1 year1 year 
Remote probe, test leads, alligator clips   
Rugged, utility hard case   
Auto power off   
PI/DAR timed ratio test