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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Proving Units

Check if a circuit is live or isolated with one of our proving units

Our range of proving units provide the voltage indicating ability of potential indicators‚ test lamps and multimeters.

Designed to suit a range of applications in the electrical contracting‚ power utilities and industrial engineering sectors‚ Seaward proving units are both self-powered and self-testing‚ avoiding the need for a known supply point or bulky test equipment.

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