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Product Selection Guide: Insulation testers

Use our product selection guide to find the insulation tester that fits your needs best.
 
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Fluke 1503 Insulation Resistance Tester
Fluke 1577 Insulation Multimeter Image 01
 
Fluke 1503 Insulation Resistance MeterFluke 1577 Insulation Multimeter
 

Features

Insulation test voltages500 V, 1000 V500 V, 1000 V 
Insulation resistance0.01 MΩ to 2 GΩ0.01 MΩ to 600 MΩ 
Auto-discharge of capacitive voltage   
Resistance0.01 MΩ to 20 KΩ0.01 MΩ to 50 MΩ 
Warranty1 year3 years 
Remote probe, test leads, alligator clips   
Rugged, utility hard case   
Auto power off   
AC/DC voltage  
DC millivolts  
AC/DC milliamps  
Continuity