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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 1587 FC Insulation Multimeter
Fluke 1555 10 kV Insulation Tester with standard ir3000 FC wireless data connector
Fluke 1587 FC Insulation MultimeterFluke 1555 FC 10 kV Insulation Tester
PI/DAR timed ratio test   
Temperature compensationThrough Fluke Connect™ Measurements app 
Memory storageThrough Fluke Connect™ Measurements app  
Insulation test voltages50 V, 100 V, 250 V, 500 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   
Insulation test smoothing reading  
Frequency  
Capacitance   
Diode test  
Temperature  
Min-max  
Low-pass filter (for work on VSDs)  
AC/DC voltage  
DC millivolts  
AC/DC milliamps  
Resistance0.01 MΩ to 50 MΩ  
Continuity  
Warranty3 years3 years 
Remote probe, test leads, alligator clips   
Type K thermocouple  
Rugged, utility hard case   
Auto power off   
Fluke Connect™ compatible  
Auto / manual ranging  
Basic DC accuracy0.09 % 
Counts6000 
Digits3.5 
True RMS readingsAC 
Wide bandwidth5 kHz 
Capacitance9,999 µF 
Continuity with beeper  
Current AC/DC400 mA 
Diode test  
Frequency99.99 kHz 
Insulation test  
Number of voltage test ranges  
Resistance50 MΩ 
Temperature-40 °C to +537 °C 
Voltage AC/DC1000 V 
Backlight  
WirelessFluke Connect™ enabled 
Display hold  
Min-max recording  
Automatic power off  
Closed case calibration  
Fuse access  
Low battery indication  
Operating temperature range-20 °C to +55 °C 
Removable holster  
Smoothing  
Dangerous voltage indication  
EN61010-1 CAT III1000 V 
EN61010-1 CAT IV600 V 
Input alert  
IP ratingIP 40 
Warranty3 years 
Welcome to Fluke's Chat GPT Assistant. As with other generative AI systems, this chatbot may occasionally generate incorrect information. For questions regarding the safe use of Fluke tools, please refer to your owners manual. You must comply with your employer’s safety standards and obtain necessary training before using Fluke tools or taking electrical measurements. To speak with a person, visit our Contact Us page.
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