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.

Web

ZERA GmbH

Königswinter, Germany
About us

ZERA India

Gandhinagar, Gujarat, India
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Powermetrix

Our representative for Canada is located in Knoxville, USA
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Powermetrix

Knoxville, USA
Website

Gavin van Rooy, Sales & Product Support

Mosselbay, South Africa
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ZERA Test Systems Australia

Ocean View, Australia
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ZERA Test Systems Australia

Our representative for Oceania is located in Ocean View, Australia
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ZERA China (USIC)

Beijing, Peking, China
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WAVE tronic

New Taipei City, Taiwan
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TESINEL

Madrid, Spain
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Manerdis

Bretigny sur orge, France
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Manerdis

Our representative for Marocco is located in Bretigny sur orge, France
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RE-EL Services

Algeria
Website

T&D Power Solutions Limited

Accra, Ghana
Website

H.Boag Engineering Limited

Kowloon, Hong Kong
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Infinity Egypt

Cairo, Egypt
Website

Unicom Corporation

Lahore, Pakistan
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KHURD JSC

Ulaanbaatar, Mongolia
Website

Patent-Dubl, LLC

Petropavlovsk, Kazakhstan
Website

Iran/Georgia

Paud Raad Industrial Group, Teheran, Iran ITG LLC, Tbilisi, Georgien
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Yashyl Dunya LLC

Ashgabat city, Turkmenistan
Website

Kyrgyzstan/Tajikistan

LLC AllianceSpecTech, Bishkek, Kyrgyzstan Sharaf Idiev, Dushanbe, Tajikistan
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Bahrain/Kuwait

Calibration Experts Co., Kingdom of Bahrain M3 Power tech WLL, Kuwait
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Israel/Jordan

Medidot Meir Ltd, Netanya, Israel Orient House Electromechanical Co., Amman, Jordan
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Al Abdulkarim Holding Company

Jeddah, Saudi Arabia
Website

STAER S.r.l.

Segrate, Milano, Italy
Website

Amotech Africa

Nairobi, Kenya
Website

Amotech Africa

Our representative for Tanzania is located in Kenya
Website

Energie Express

Dakar, Senegal
Website

JOON TECK

Seoul, Korea (South)
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Ing Spitzer SA

Buenos Aires, Argentina
Website

TDP Dominica, S.R.L.

Santo Domingo, Dominican Republic
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

Ireland/Great Britain

Caltest Instruments Ltd is located in Hampshire, Great Britain
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Norway, Sweden, Finland + Denmark

www.pickering.se is located in Varberg, Sweden
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Romania/Moldova

Trescal Rokura Systems, Bucuresti, Romania IM LOKMERA SRL, Chisinau, Moldova
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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

ENERTEST Testery i Diagnostyka Sp. z o.o.

Warszawa, Poland
Website

R&D Gran-System-S LLC

Minsk, Belarus
Website
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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27 Prozent von uns

27 percentage of us

We support an initiative of the German Chamber of Industry and Commerce (DIHK) with the statement #KeineWirtschaftOhneWir (No economy without “WE”). 27% of the ...

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