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Tradition & Quality

We combine tradition with progress: With us, the knowledge of measuring technology has been growing for generations.

Zera for Tradition & Quality


Neutral & Focussed

We develop and produce innovative measuring technology and guarantee absolute neutrality.

Zera is Neutral & Focussed


Long-term & Committed

Our sales engineers give competent advice – just like our sales partners in over 70 countries.

Zera means Long-term & Committed


Comprehensive & Flexible

Our commitment to quality covers systems, consulting and service.

Zera is Comprehensive & Flexible

Welcome to ZERA

ZERA manufactures systems for producing, measuring, testing and calibrating electrical quantities and sells them worldwide. Renowned utilities as well as meter and instrument transformer manufacturers are among our customers.

ZERA is an independent company, led by its employees. Maintaining close contact to our customers and long-term thinking oriented toward cooperation define our actions.

Precision starts with us.

All Meter Test Systems products

Meter Test Systems

Our systems achieve the highest accuracy and are suitable for testing all meter types.

Instrument Transformer Test Systems

Instrument Transformer Test Systems

We offer stationary and mobile solutions for testing instrument transformers, optimized for your needs.

Precision Laboratory Systems

Precision Laboratory Systems

Precise and reliable: Our products for laboratory technology set standards.

Since 1920 ZERA is based in Hauptstraße 392, now we are moving our operations to the Krahfeld business park in Königswinter-Oberpleis – close to the...

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The water, energy, technology and environment exhibition WETEX will take place in Za'abeel, Dubai.

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