Fluke 1664 FC Multifunction Installation Tester helps expedite installations

The 1664 FC puts a lot of testing power in your hands to quickly and efficiently test to all local regulations, protect appliances, and share test results in real time over your smartphone.

Protect appliances from accidental damage

The Fluke 1664 FC is the only tester with “Insulation PreTest” that stops the insulation test and provides a visual warning if it detects that an appliance is connected to the system under test. This helps you avoid potentially serious and costly mistakes that can cause damage to your customers’ peripheral equipment.

Auto Test reduces test time

Auto Test performs up to seven installation tests in one sequence, ensuring compliance with local installation regulations. This reduces the number of manual connections, thus decreasing the possibility of errors and reducing test time.

Save time and enhance collaboration

Because the 1664 FC is Fluke Connect®-enabled, you can send test results to your smartphone, save them to the cloud, and share measurements in real time with team members through a ShareLive video call. It’s the fastest way to let your team see what you see, and to help you get approvals without leaving the field.

Retrieve stored results from anywhere

Fluke Cloud™ storage allows you to retrieve stored results whether you are in the office or in the field to make decisions in real time. You get world-class data protection and you can import the data into Fluke DMS (Data Management Software) to process and generate certificates.

Other helpful features:

• Compact, lightweight (less than 1.3 kg) with padded neck-strap to free your hands
• Rotary dial knob clearly indicates which function is selected, all in one spot with no complex multi-level menus.
• Offers additional high current loop mode for faster measurements than loop tests with non-trip mode for RCDs
• Includes Z-max memory for loop tests to support easy evaluation of the highest loop test value
• Provides unique zero adapter for fast, reliable and accurate test lead and mains cord compensation
• Performs fast voltage measurement between L-N, L-PE, and N-PE using the mains cord. No need to change measurement connections
• Measures RCD trip current and trip time in parallel (RCD type AC and A)
• Measures PEFC or PSC and loop impedance in parallel and displays them together on the dual display
• Offers ring testing so you can select the required input sockets with soft keys and not have to exchange test leads
• Uses continuity test currents to measure motor windings
• Detects raised earth voltages > 50 V with Earth Volt Touchpad, indicating potential dangerous situations
• Features large display with backlight, clear symbols, and exceptionally wide viewing angle for easy and safe readings
• Offers extended three-layer memory

Specifications: Fluke 1664 FC Installation Multifunction Testers

AC voltage measurement
Range	500 V
Resolution	0.1 V
Accuracy 45 Hz – 66 Hz	0.8% + 3
Input impedance	360 kΩ
Overload protection	660 V rms
Continuity testing (RLO)
Range (autoranging)	20 Ω / 200 Ω / 2000 Ω
Resolution	0.01 Ω / 0.1 Ω / 1 Ω
Open Circuit Voltage	>4 V
Insulation resistance measurement (RISO)
Test voltages	50-100-250-500-1000 V
Accuracy of tTest voltage (at rated test current)	+10%, -0%
Test voltage	50 V 100 V 250 V 500 V 1000 V
Insulation resistance range	20 MΩ /50 MΩ 20 MΩ / 100 MΩ 20 MΩ / 200 MΩ 20 MΩ / 200 MΩ / 500 MΩ 20 MΩ / 200 MΩ / 1000 MΩ
Resolution	0.01 MΩ / 0.1 MΩ 0.01 MΩ / 0.1 MΩ 0.01 MΩ / 0.1 MΩ 0.01 MΩ / 0.1 MΩ / 1 MΩ 0.01 MΩ / 0.1 MΩ / 1 MΩ
Test current	1 mA @ 50 kΩ 1 mA @ 100 kΩ 1 mA @ 250 kΩ 1 mA @ 500 kΩ 1 mA @ 1 MΩ
Loop and line impedance (ZI)
Range	10 Ω / 0.001 Ω / High current mΩ mode
Resolution	0.01 Ω / 0.1 Ω / 1 Ω
Prospective earth fault current, PSC test
Range	1000 A / 10 kA (50 kA)
Resolution	1 A / 0.1 kA
Computation	Prospective earth fault current (PEFC) or Prospective short circuit current (PSC) determined by dividing measured mains voltage by measured loop (L-PE) resistance or line (L-N) resistance, respectively.
RCD testing, RCD types tested
RCD Type	AC¹ G²,S³
Model 1664	A, AC, B5, S
Notes	¹Responds to AC ²General, no delay ³Time delay 4Responds to pulsed signal 5Responds to smooth DC signal
Tripping speed test (ΔT)
Current settings¹	10-30-100-300-500-1000 mA – VAR 10-30-100 mA
Multiplier	x ½, x 1 x 5
Measurement range	RCD Type G	310 ms 50 ms
	RCD Type S	510 ms 160 ms
Notes	¹1000 mA type AC only 700 mA maximum type A in VAR mode VAR mode not available for type B.
RCD/FI-Tripping Current Measurement/Ramp Test (IΔN)
Current range	30% to 110% of RCD rated current¹
Step size	10% of IΔN²
Dwell time	Type G	300 ms/step
	Type S	500 ms/step
Measurement accuracy	±5%
Specified trip current ranges (EN 61008-1)	50% to 100% for Type AC 35% to 140% for Type A (>10 mA) 35% to 200% for Type A (≤10 mA) 50% to 200% for Type B ²5% for Type B
Notes	¹30% to 150% for Type A IΔN > 10 mA 30% to 210% for Type A IΔN = 10 mA 20% to 210% for Type B
Earth Resistance Test (RE)
Range	200 Ω / 2000 Ω
Resolution	0.1 Ω / 1Ω
Frequency	128 Hz
Output Voltage	25 V
Phase Sequence Indication
Icon	Phase Sequence indicator is active.
General Specifications
Size (L x W x H)	10 x 25 x 12.5 cm
Weight (incl. batteries)	1.3 Kg
Battery size, quantity	Type AA, 6 ea.
Sealing	IP-40
Safety	Complies with EN61010-1 Ed 2.0 (2001-02), UL61010, ANSI/ISA –s82.02.01 2000 and CAN/CSA c22.2 No. 1010 2nd edition
Overvoltage	CAT III / 500V; CAT IV 300V
Performance	EN61557-1 to EN61557-7 Second Edition and EN61557-10 Second Edition

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