FLUKE - 1664 FC | MULTIFUNCTION TESTER
 
The Fluke 1664 FC is a rugged, advanced multifunction electrical installation tester engineered to verify the safety of electrical installations in domestic, commercial, and industrial applications. Packed with innovative features like Insulation PreTest™ and Auto Test sequences, it helps technicians prevent accidental damage to connected appliances while speeding up routine compliance verification. Fully integrated with Fluke Connect wireless capability, it allows users to save, share, and report test results directly from the field via smartphone.
 
Features & Benefits
 
Insulation PreTest™ detects if appliances are connected to the system under test and automatically stops the test to prevent accidental damage.
The auto test sequence executes multiple installation tests in a single operation, reducing test time by up to 40%.
Insulation resistance testing up to 1000 V with automatic calculation of Polarization Index and Dielectric Absorption Ratio (PI/DAR).
True-RMS AC voltage measurement and loop impedance testing with fast high-current resolution
RCD type A, AC, B, and RDC-DD trip current and trip time evaluations (ramp test)
Fluke Connect compatibility enables wireless data sharing, cloud storage, and instant reporting via mobile device.
Heavy-duty, ergonomic design with a clear backlit LCD screen and easy-to-use rotary dial interface.
 
Use cases / Application
 
Verifying electrical safety and regulatory compliance for residential, commercial, and industrial wiring installations.
Routine periodic inspection and testing of fixed wiring, distribution boards, and socket outlets.
Preventive maintenance and troubleshooting of RCDs, ground fault interrupters, and circuit protective conductors.
Loop impedance and earth resistance testing for electrical contractor certifications.
Documenting and archiving test records for official compliance reports and client handovers