The Pioneer in Transformer Monitoring

ZTZ Services provides American-made solutions that help you save money and protect your transformer investments. 

ZTZ Services is Trusted by the World's Largest Power Companies

ZTZ Services is the pioneer and leader in transformer monitoring technology. Our company provides innovative products that are precision-made, inspected and serviced in the USA. ZTZ Services solutions are designed to be simple-to-use, cost effective and provide data that is both reliable and accurate.

Accurate and Reliable

We provide products that give customers the right measurements when they need them the most.

Innovative Solutions

We are pioneers in monitoring and provide innovative solutions that are cost effective and simple-to-use. Our solutions help customers improve safety and save money.


We are proud to be a veteran-owned company. Our products are all made and serviced in America.

Learn how our innovative, reliable and accurate solutions can help your organization.

ZTZ Sentinal TransMAX 1000

The ZTZ Services Sentinel TransMAX 1000 is an advanced monitor designed to protect transformers from multiple points.

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MTE Hydrocal DGA Monitor

The MTE Hydrocal DGA Monitors are a group of products that have varied levels of monitoring for online dissolved gas in oil.

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ZVCM Bushing Monitor

ZTZ Services ZVCM Bushing Monitor is our flagship product that provides reliable and accurate monitoring for transformer bushings.

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CDI -1000

ZTZ Cable Defect Indicator is a compact and portable test device to ensure operational quality and safety of insulated cable.

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Asset Management and Engineering Services

We provide expert analysis, design and creative solutions to meet your unique needs.

Training and Education

Industry-leading support, on-site education and a unique two-day user meeting in Miami, FL to learn our systems and software.

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