We're donating to the NHS

To show our appreciation for the NHS we will make a donation to the NHS charity for every PrimeTest or Apollo PAT tester bought and registered between the 1st June to 31st July 2020.

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Resistance Testing Guides

As experts in electrical safety testing, we've created a number of guidance booklets to help you understand best practices within the industries we provide solutions to.


Seaward Guides


Guide to Low Resistance Measurement

This guide gives an overview of low resistance measurement techniques, explains common causes of errors and how to avoid them. We have also included useful tables of wire and cable...

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