Fluke 1662, Multifunction Installation Tester

  • Reliable tester for single and 3 phase installation testing
  • FREE manufacturer's calibration certificate included*
  • FREE gift bundle included (many options to choose from)
  • Ready for 18th Edition
Regular Price £1,483.20 Special Price £790.80 £659.00

Availability: In stock

Ships tomorrow if ordered in the next 18 hours and 18 minutes!

Product Code
FLU1662

Free Delivery

90-day Returns

Technical Support

Web-only limited-time deal - Choose one of the following FREE bundles when you order:

  • Option 1 - Martindale LOKKIT1 Comprehensive Lock Out Kit
  • Option 2 - Martindale TL77 Test Wander Lead (30m) + SB13 R2 Socket Adaptor
  • Option 3 - Martindale VT12 Voltage & Continuity Tester + PD240 Proving Unit


The Fluke 1662 gives you Fluke reliability, simple operation and all the testing power you need for day-in, day-out installation testing.

Measurement functions:

  • Measurement function
  • Voltage & frequency
  • Wiring polarity checker, detects broken N wires
  • Insulation resistance
  • Continuity & resistance
  • Measure motor windings with continuity test
  • Loop & line resistance
  • Prospective earth fault current (PEFC/IK)
  • Prospective short-circuit current (PSC/IK)
  • RCD switching time
  • RCD tripping level (ramp test)
  • Measures trip time & current for RCD type A & AC in one test
  • RCD variable current
  • Automatic RCD test sequence
  • Phase sequence indicator


Other features

  • On/Off switchable auto-start for RCD & Looptest
  • Self-test
  • Illuminated display
  • Time and date (when used with optional FlukeView software)


* requires in-service date to be filled in

More Information
ManufacturerFluke
Manufacturer Part Number4546915
GTIN0095969766777
Included CalibrationCall for info
ManualDownload
DatasheetDownload
Earth testNo
Type B RCD testNo

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 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 A4, AC¹, G²,S³

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

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

Phase Sequence Indication

  • Icon Phase Sequence indicator.

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

Fluke 1662 Multifunction Installation Tester Includes:

  • 6x AA (IEC LR6) cell batteries
  • C1600 hard carrying case
  • Zero adapter
  • Heavy duty mains cord
  • STD standard test lead set
  • Padded carrying and waist strap
  • Quick reference guide
  • TP165X remote control probe and lead
  • User's manual on CD-ROM
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Why choose Instrotech for your electrical test equipment?

With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:

  • Free UK shipping on all orders
  • Access to our knowledgeable technical support team
  • Available calibration services to maintain safety compliance
  • A 90-day money-back guarantee for complete peace of mind

We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.