Proving Unit

Voltage Proving Units.

Proving units are essential for checking the operation of voltage testers. Safe electrical working requires the use of a voltage indicator, that has been proven, with a suitable proving device, before and after use to ensure the voltage tester is working correctly. These are usually compact portable devices and we have them from Martindale, Kewtech and larger, into the Kv testing ranges from Seaward and Edgcumbe.

Check our prices and buy from our webshop. Call us on 01724 289600 for further information or help with your selection. or you can use our contact form on the contact us page of our website.

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  1. Martindale VIPD138 Voltage Indicator  Proving Unit
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    Martindale VIPD138 Voltage Indicator Proving Unit
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    was £163.00 Special Price £138.00
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  2. Martindale PD700 Proving Unit
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    Martindale PD700 Proving Unit
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    was £118.00 Special Price £100.00
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  3. Martindale PD440 Proving Unit
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    Martindale PD440 Proving Unit
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    was £91.00 Special Price £77.00
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  4. Martindale PD430 Proving Unit
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    Martindale PD430 Proving Unit
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    was £112.00 Special Price £95.00
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  5. Kewtech KewProve3 Proving Unit
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    Kewtech KewProve3 Proving Unit
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    was £99.00 Special Price £75.00
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