Fluke 1664 FC Installation Multifunction Tester
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Prices updated: 12 Oct 2026
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About this product
A multifunction installation tester for verifying the safety of electrical installations in residential, commercial and industrial buildings. It performs loop, RCD, insulation and continuity tests, with Insulation PreTest to protect connected appliances, Auto Test for streamlined sequences and Fluke Connect wireless reporting. Compliant with IEC 60364 and HD 60364.
Specifications
- Test functions
- Loop, RCD, insulation, continuity
- Standards
- IEC 60364, HD 60364
- Insulation PreTest
- Yes
- Auto Test
- Yes
- Wireless reporting
- Fluke Connect
Frequently asked questions
Is this tester meant for home DIY use?
It is a professional installation tester. Insulation, loop and RCD tests on electrical installations are hazardous and should be performed by trained personnel following the manual and local electrical regulations.
What does Insulation PreTest do?
According to the listing, Insulation PreTest is designed to prevent damage to connected appliances during insulation testing, so it helps protect equipment that is still plugged into the circuit.
