Product selection guide: Insulation testers

Use our product selection guide to find the insulation tester that fits your needs best.
Fluke 1577 Insulation Multimeter Image 01
Fluke 1555 10 kV Insulation Tester with standard ir3000 FC wireless data connector
Fluke 1577 Insulation MultimeterFluke 1555 FC 10 kV Insulation Tester
Insulation test voltages500 V, 1000 VUser selectable 250 V to 10,000 V 
Insulation resistance0.01 MΩ to 600 MΩ250 KΩ to 2 TΩ 
Auto-discharge of capacitive voltage   
AC/DC voltage  
DC millivolts  
AC/DC milliamps  
Resistance0.01 MΩ to 50 MΩ  
Warranty3 years3 years 
Remote probe, test leads, alligator clips   
Rugged, utility hard case   
Auto power off   
PI/DAR timed ratio test  
Memory storage