Martindale HPAT425 Handheld PAT tester

  • Compact, portable design
  • High-quality greyscale display
  • Clear and simple PASS / FAIL indication
  • Automatic testing Class I, Class II & IEC power lead tests
  • IT safe 200mA earth bond test
  • Selectable 250V or 500V insulation test
  • USB-C rechargeable, fast charge support and power saving mode
Regular Price £390.00 Special Price £316.80 £264.00

Availability: In stock

Ships tomorrow if ordered in the next 22 hours and 50 minutes!

Product Code
MARHPAT425

Free Delivery

90-day Returns

Technical Support

The HPAT425 handheld PAT tester can be used for testing all types of portable appliances and is built for ease of use with one-button automatic testing. It is designed for automatic pass/fail testing of Class 1 & Class II appliances and IEC power leads. The unit is small and lightweight for maximum portability and features a USB charging port for on-the-go charging. The large, high-contrast greyscale display is ideal for testing in varying light conditions.

The HPAT425 features both 500V and 250V insulation test options, ideal for surge-protected devices, and an IT safe 200mA earth bond test. A comprehensive range of optional adaptors is available for testing 110V appliances and equipment fitted with 3-phase plugs.

The HPAT425 replaces the  HPAT400.

More Information
ManufacturerMartindale
Manufacturer Part NumberHPAT425
GTIN5036162000614
Included CalibrationCall for info
Battery OperatedYes
250V Insulation TestYes
Custom Test SequenceNo
Risk AssessmentNo
document Manual (1.55 MB)
document Datasheet (690.70 kB)
  • Earth continuity
  • Test current: 200mA DC
  • Range: 0-19.99Ω
  • Accuracy: ± (5% rdg + 2 dgt)
  • Fixed pass limits: ≤ 0.10Ω/≤ 0.30Ω/≤ 0.50Ω
  • Insulation
  • Test Voltage: 250V/500V DC selectable
  • Test current: 1mA
  • Warranty: 2 Years
  • HPAT425 PAT tester
  • EX332 extension lead adaptor
  • TL67 earth bond probe with clip
  • USB-C to USB-A cable for charging
  • Carry case with a separate pocket for accessories
  • Instruction manual
  • Verification certificate
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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.