0113 248 9966
0113 248 9966
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Martindale HPAT400 PAC Checker

Martindale Official Distributor
  • Earth bond continuity test, 500V insulation resistance test and fuse checks
  • Capable of testing Class I and Class II appliances as well as extension leads
  • Shows PASS/FAIL indications for the appliance under test

Optional Extras

In stock


Please note that there may be delays on delivery of this product. For more information please 0113 248 9966.

The Martindale HPAT400 PAC Checker is a handy instrument for testing Class I appliances, Class II appliances and power leads for electrical equipment. It has inbuilt automatic test sequences that feature a 200mA continuity test, 500V insulation resistance test, and fuse test.

A clear PASS/FAIL indication is displayed for each test alongside an overall indication on the Martindale HPAT400’s clear digital screen. All the user needs to do to initiate a test is identify an appliance class, correctly connect the appliance, and then press the correct test sequence button.

The Martindale HPAT400 comes supplied with a test lead, crocodile clip, IEC adaptor lead, carry case and batteries. It is covered by a two-year warranty.

Martindale part number: MARHPAT400

Key Features

  • Earth bond testing
  • Insulation testing
  • Fuse checks
  • Indicates PASS or FAIL result
  • Works on Class I and Class II appliances plus leads
  • Battery life for 600 tests
  • Two-year warranty



  • Test voltage: 4V DC (into open circuit) Test current: 200mA DC (into short circuit)
  • Accuracy: ± 0.03Ω
  • Pass limits: Lead ≤ 0.20 Ω = PASS; Class I ≤ 0.20 Ω = PASS


  • Fixed voltage: >500V DC at 1mA (< 625V DC into open circuit)
  • Test current: 1.5mA (into short circuit)
  • Accuracy: ± 0.1MΩ
  • Pass limits: Lead: ≥ 1.0 MΩ; Class I: ≥ 1.0 MΩ; Class II: ≥ 2.0 MΩ


  • Test voltage: 4V DC (into open circuit)
  • Test current: 200mA DC (into short circuit)
  • Pass level: >2mA


  • Overload protection: 300V AC/DC

Supplied Accessories

  • Martindale HPAT400 PAC Checker
  • Instructions for Martindale HPAT400
  • Test Probe with crocodile clip (TL67)
  • 6 x Alkaline AA batteries
  • IEC Adaptor Lead (Ex332)
  • Zip carry case