
Fluke Installation Multifunction Tester FLU1663/FVF
Fluke · Beyond Tools
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Selected variant · Available
Available. The price shown is for this option. We've recorded it as low as $3,729.
In stock when we last checked on 14 Aug 2026. Prices change — confirm on the store's page before buying.
Price history
We started tracking this on 13 Aug 2026 and have recorded a single price so far. The chart appears once we've seen the price move.
Description
Features
- Full featured tester for installation professionals
- Tests to all local regulations and provides test results for complete documentation
- Tests continuity at L-N, N-PE inputs
- Tests smooth dc sensitive RCDs (Type B)
- Tests earth resistance, voltage, and frequency
- Offers multiple test voltages: 50 V, 100 V, 250 V, 500 V, 1000 V
Fluke 1663 Multifunction Installation Tester is the ideal choice for hard working professionals
The 1663 installation tester delivers the full-featured functionality and advanced measurement capabilities that professional installers need. It is compact and lightweight (less than 1.3 kg) and comes with a padded carrying and waist strap for convenient handling. Operation is intuitive and easily mastered by all levels of workers so you can put it to work immediately for quick and efficient testing to all local regulations. Additional helpful features like On/Off switchable auto-start for RCD and loop test, and self-test save time and give you more confidence in your results.
Other useful capabilities:
- Checks wiring polarity to detect broken N wires
- Measures insulation resistance and loop and line resistance
- 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
- Measures motor windings with continuity test
- Calculates prospective earth fault current (PEFC/IK) and prospective short-circuit current (PSC/IK)
- Measures RCD switching time and tripping level (ramp test)
- Measures trip time and current for RCD type A & AC in one test
- Measures RCD variable current
- Provides automatic RCD test sequence
- Includes a phase sequence indicator
- Safety rated CAT III 500V, CAT IV 300V
- Comes with hard carrying case, padded carrying and waist strap, and remote control probe and lead
Specifications: Fluke 1663 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 1663 A4, AC¹, G²,S³
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%
Details
- Weight
- 1.5 kg
Variants
| Option | Price | Status |
|---|---|---|
| Option 1 | $3,729 | Available |
- Store
- Beyond Tools
- Brand
- Fluke
- SKU
- 1000366
- Category
- Tools
- First tracked
- 13 Aug 2026
- Last checked
- 14 Aug 2026








