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The Tony Davies High Voltage Laboratory



Our salt fog chamber is also capable of supplying mist or rain at flow and dispersion levels that meet modern test standards.  1000 hour testing of outdoor insulation systems is a common occurence and consequently early notice of a likely test is appreciated.  As well as salt fog testing we also have a controlled humidity and temperature room for conditioning samples (when required) prior to high voltage testing.  We can also undertake capacitance, tan delta and partial discharge measurements to the relevant BS and IEC standards. 

As well as testing new bushing designs we also have been involved in forensic investigation of bushings that have failed in service - for more details please see forensics.

Recently used standards

Number Name
BS EN 60137 Insulated bushings for alternating voltages above 1000 V

If you are considering a bushing test, please contact us and include the following information:

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