Meter Testing

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

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Test systems E-mobility

Our solutions for testing AC and DC charging stations are compact and easy to use.

Instrument Transformer & Switchgear Testing

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

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Services

From calibrations to software upgrades and training, we offer a wide range of services remotely and on-site.

ZERA – Your specialist for measurement technology

ZERA develops and manufactures systems for the generation, measurement, testing and calibration of electrical quantities and distributes them worldwide. Our customers include renowned companies in the field of electricity supply and instrument transformer manufacturing. ZERA is an independent and employee-owned company.

Close customer relations and long-term, partnership-oriented thinking characterize our actions.

Precision starts with us.

Precision

Know-How & Quality
We are your specialist for measurement technology with more than 100 years of experience. Our innovative products set standards.

Focused

Neutral & comprehensive
We offer a comprehensive product portfolio – unique in our industry. Independent, autonomous and sustainable.

Close to customers

Long term & binding
Our sales engineers provide competent advice, as do our partners in over 70 countries.

Service oriented

Comprehensive & flexible
Our quality promise includes systems, consulting and service. These can be combined.

ZERA GmbH

Königswinter, Germany
About us

ZERA India

Gandhinagar, Gujarat, India
More information

Jesstec

Ontario, Canada
More information

Gavin van Rooy, Sales & Product Support

Mosselbay, South Africa
More information

ZERA Test Systems Australia

Ocean View, Australia
More information

ZERA Test Systems Australia

Our representative for Oceania is located in Ocean View, Australia
More information

ZERA China (USIC)

Beijing, Peking, China
More information

Manerdis

Bretigny sur orge, France
More information

Manerdis

Our representative for Marocco is located in Bretigny sur orge, France
More information

T&D Power Solutions Limited

Accra, Ghana
Website

H.Boag Engineering Limited

Kowloon, Hong Kong
More information

Infinity Egypt

Cairo, Egypt
Website

Paud Raad Industrial Group

Teheran, Iran
Website

Calibration Experts Co.

Kingdom of Bahrain
Website

Medidot Meir Ltd

Netanya, Israel
More information

STAER S.r.l.

Segrate, Milano, Italy
Website

Amotech Africa

Nairobi, Kenya
Website

JOON TECK

Seoul, Korea (South)
More information

Ing Spitzer SA

Buenos Aires, Argentina
Website

Helios S.R.L.

Santa Cruz, Bolivia
Website

G&M Comércio de Produtos Ltda.

São Paulo, Brazil
Website

Comulsa

Santiago de Chile, Chile
Website

Quemco

Quito, Ecuador
Website

Digitron Limitada

Bogotá, Columbia
Website

Fonkel Mexicana

Mexiko
Website

CEPELSA

Nicaragua
Website

SAS

Paraguay
Website

Logitec

Peru
Website

Tectra d.o.o. Zagreb

Zagreb, Croatia
Website

Amptronic Malaysia Sdn bhd

Petaling Jaya, Malaysia
Website

Amptron Instruments Thailand Co. Ltd.

Bangkok, Thailand
Website

PAN-AMP Controls PTE LTD

Singapore
Website

PAN-AMP Controls PTE LTD

Our representative for Indonesia is located in Singapore
Website

TT-Group

Hanoi, Vietnam
Website

MEGACAL INSTRUMENTS IBÉRICA, S.L.

Madrid, Spain
Website

Tectra doo Beograd

Belgrad, Serbien Kosovo Montenegro
Website

TestOne Teknoloji Cozumleri San Tic A.S

Istanbul, Turkey
Website

Elite Consulting Engineers Limited

Kampala, Uganda
Website

ZERA Ukraine LLC

Kiev, Ukraine
More information
ZERA GmbH

Shortly before our 100th anniversary, we left our production and administration facilities in the center of Königswinter and moved into a state-of-the-art, spacious office and production building in Königswinter-Oberpleis. The future begins now.

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News Web Relaunch Website

Relaunch of our website

Over the last few weeks, we have been working on building a new site. Soon it will be finished: faster, modern, more user-friendly. We want to inform you eve...

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