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![Proving Unit With Belt Clip](https://images.findtheneedle.co.uk/findtheneedle/products/9968853.jpg)
A series of compact proving units essential for testing potential indicators before and after use. All products in the range have internal battery supply (batteries not included) so the use of a known supply point or bulky test equipment is avoided.
For more information on Proving Unit With Belt Clip talk to Seaward Electronic Ltd
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