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 1555 10 kV Insulation Tester with standard ir3000 FC wireless data connector
Fluke 1503 Insulation Resistance MeterFluke 1555 FC 10 kV Insulation Tester
Insulation test voltages500 V, 1000 VUser selectable 250 V to 10,000 V 
Insulation resistance0.01 MΩ to 2 GΩ250 KΩ to 2 TΩ 
Auto-discharge of capacitive voltage   
Resistance0.01 MΩ to 20 KΩ  
Warranty1 year3 years 
Remote probe, test leads, alligator clips   
Rugged, utility hard case   
Auto power off   
PI/DAR timed ratio test  
Memory storage