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Martindale Electric

Martindale Electric launches the HPAT550, an all-new entry level, rechargeable Portable Appliance Tester

Published: 21 July 2025 Category: News

Martindale Electric has launched the HPAT550 - a new entry-level, rechargeable Portable Appliance Tester designed with ease of use in mind. Ideal for new and experienced users alike, the HPAT500 features fully automated testing modes for quick and consistent results, making it the perfect choice for compliance checking.

Martindale Electric launches the HPAT550, an all-new entry level, rechargeable Portable Appliance Tester

Efficient one-button automatic testing makes the HPAT550 easy to operate, simplifying PAT testing while maintaining full compliance with the 5th Edition Code of practice testing requirements for Class I and Class II appliances. Featuring an intuitive user interface with context-sensitive help screens, the HPAT550 is ideal for both seasoned professionals and those new to PAT testing. Measured test results are shown alongside clear PASS/FAIL indication.

The robust, lightweight, rugged design, make the HPAT550 ideal for engineers conducting routine testing on the move. Plus, the high-resolution bright colour display is visible in virtually any lighting condition. The HPAT550 features USB-C fast charging and can complete a significant number of tests on a single charge with an auto power-down feature to extend battery life even further.

The HPAT550 also includes an IT-safe 200mA earth continuity test, selectable insulation resistance testing at 250V and 500V, and a dedicated test mode for IEC power leads. The 250V insulation test option ensures compatibility with surge-protected devices - giving testers greater flexibility across a wider range of applications.

With a simple interface and logical test sequencing, the HPAT550 has been developed to reduce user error and increase efficiency. This is especially valuable for high-volume PAT environments. The HPAT550 replaces both the popular Martindale HPAT400 and HPAT500 models.

The new and improved HPAT550 is supplied with everything needed to begin testing straight out of the box. The supplied accessories include a TL67 earth bond probe, EX322 IEC adaptor lead, TC57 carry case, and a USB-A to USB-C charging cable, alongside a verification certificate and operating instructions.

Martindale also offer a wide range of optional accessories to extend testing capability, including adaptors for 110V appliances and 3-phase equipment, PAT label packs, plug lockouts, and a PAT register book. These accessories make the HPAT550 a highly adaptable solution suitable for facilities managers, service companies, and contractors operating across multiple sectors.

All Martindale Electric PAT testers are built to meet the latest safety standards, including BS EN 61010-1, and feature overload protection up to 300V AC/DC. The testers are designed and supported in the UK, with Martindale’s well-known commitment to reliability and customer service.

For more information, resources and support from Martindale Electric's team of experts, please visit the new website at: https://martindale-electric.co.uk/


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