1 / 6Martindale HPAT550 Handheld PAT Tester, Rechargeable, Class I & II
The Martindale HPAT550 is a handheld portable appliance tester for automatic Class I, Class II and power lead testing. Its colour display, rechargeable battery and pass/fail indication are aimed at portable testing work, while selectable insulation test voltage is relevant when checking surge-protected equipment.
At a glance
- Automatic tests cover Class I, Class II and power leads, with pass/fail indication and measured values.
- Colour display includes optional help screens to guide operation.
- A 200mA earth bond test and selectable 250V or 500V insulation testing are specified.
- USB-C charging supports a rechargeable battery, with fast charge and power-save features listed.
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Pros and cons
Pros
- Combines Class I, Class II and power lead testing in a handheld unit.
- Selectable insulation test voltage includes a 250V option for surge-protected equipment.
- Display shows pass/fail and measured values, according to the listing.
Technical specifications
13 specifications| Brand | Martindale |
|---|---|
| Model | HPAT550 |
| Power configuration | Battery Powered |
|---|
| Test types | Automatic testing for Class I, Class II and power leads with clear pass/fail indication |
|---|---|
| Earth bond test | IT safe 200mA earth bond test |
| Insulation test | Selectable 250V or 500V insulation test |
| Display | Colour display |
|---|---|
| Charging | USB-C rechargeable with fast charge support and extended battery life for maximum efficiency |
| Measurement type | Ohmmeter, Ammeter, Voltmeter |
|---|---|
| Compatible devices | Various portable appliances, power leads, and surge-protected devices |
| Specification met | EN 61010-1, UKCA |
| Colour | Yellow |
| Style | Circuit Tester |
What to know before buying
- The manufacturer claims refer both to selectable 250V and 500V insulation testing and to a 250V test for surge-protected equipment. The listing also varies between describing tests as power lead tests and IEC lead tests. Confirm the required test modes and operating instructions for your work before buying.
What’s in the box
Included- Earth probe
- IEC adaptor
- Case
- USB cable
- Null pin
- Manual
- Verification certificate
Who is it for?
A good fit for
- PAT testing work involving Class I and Class II appliances and power leads.
- Users who want a handheld tester with a colour display and automatic test sequence.
- Work that calls for a 200mA earth bond test or selectable insulation voltage.
Less suited to
- Buyers who need confirmed data storage, reporting or memory functions, which are not specified here.
- Anyone needing a fully documented battery runtime or charge time, which the listing does not provide.

Customer reviews on Amazon
- 5 stars
64% 64% - 4 stars
23% 23% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
13% 13%
Aggregate ratings are more positive than negative, but the small number of ratings and the presence of one-star ratings leave room for differing experiences. Ratings alone do not identify specific strengths or problems. For a buyer, the listed automatic test coverage and display are relevant capabilities, but the ratings cannot confirm how well they perform in practice.
Frequently asked questions
What tests does the HPAT550 perform?
The listing describes automatic Class I, Class II and power lead testing, plus a 200mA earth bond test and selectable 250V or 500V insulation testing.
Can it test surge-protected equipment?
The listing specifies a 250V insulation test for surge-protected equipment. It also describes selectable 250V or 500V testing, so confirm the appropriate mode and instructions for the equipment.
How is the tester powered and charged?
It is listed as battery powered and USB-C rechargeable. The supplied information does not give a specific battery runtime or charge time.

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