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Instrument Transformer & Switchgear Testing

Achieve precise and reliable energy meter testing with advanced calibration systems. Our high-accuracy test benches and portable equipment are trusted by utilities and labs worldwide for energy measurement and compliance.

ZERA GmbH – over 100 years of innovation in energy meter testing, calibration systems, and electrical measurement solutions for utilities and manufacturers.

  • Meter testing equipment

  • Energy meter test systems

  • Precision meter calibration tools

  • Reference standard meters

  • Electrical meter test benches

  • Portable test equipment for meters

  • High-accuracy energy meter testing

  • Power measurement solutions

  • Meter test systems for utilities

  • Calibration instruments for energy meters

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