Welcome to the home page of HV Diagnostix Ltd. We are based in Auckland, New Zealand and our core business is in insulation diagnostics and electrical testing.

We do this through equipment sales, training, provision of testing services and application support. Please browse our website to learn more.

We are dedicated to the promotion of Test & Diagnostic technologies for high voltage assets in Australia and New Zealand.

HV Diagnostix Equipment

Cables and Conductors

We provide and support equipment is available to perform the following tests

Rotating Machines

Motor Testing Involves the following kinds of Tests


We support the following kinds of transformer testing

Secondary Plant

Secondary Injection
Primary Injection


Switchgear requires the following types of tests

Other Equipment

Other Test Equipment