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Our instruments are world renowned for their accuracy, durability and ease of operation. Our product range includes equipment to measure various electrical parameters such as capacitance and tan (power factor), partial discharge, accuracy of instrument transformers, losses on power transformers, along with providing portable instruments for laboratory use and preventative maintenance of a substation or generation station. We continually strive for success of our customer’s business, backed by the expertise and dedication of our engineers.


Tettex Instruments is a brand of HAEFELY HIPOTRONICS.


tettex instruments