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Fluke Installation Multifunction Tester FLU1663/FVF

Fluke Installation Multifunction Tester FLU1663/FVF

Fluke · Beyond Tools

$3,729Available

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Available. The price shown is for this option. We've recorded it as low as $3,729.

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In stock when we last checked on 14 Aug 2026. Prices change — confirm on the store's page before buying.

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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

As published by Beyond Tools

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

As published by Beyond Tools
Weight
1.5 kg

Variants

Prices and availability as last checked
OptionPriceStatus
Option 1$3,729Available
Store
Beyond Tools
Brand
Fluke
SKU
1000366
Category
Tools
First tracked
13 Aug 2026
Last checked
14 Aug 2026

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