ELWA . About us

Decades of experience in conductivity measurement technology

We, the company ELWA GmbH, are engaged in the development and manufacturing of conductivity meters and conductivity measuring cells for industrial water treatment. Another focus is the development and production of controls for water treatment systems, such as reverse osmosis systems. For over 25 years, we have stood for quality – developed and manufactured 'Made in Germany'.

From our company location in Essen – right in the heart of the Ruhr area – we supply companies worldwide. Our customers include suppliers to the pure and ultrapure water industry, specialized plant manufacturers, companies in the field of measurement and control technology, and medical laboratories. ELWA customers and partners benefit from our many years of experience through fast, flexible, individual, and cost-effective solutions!

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We are happy to advise you on the implementation of your ideas in the field of electronics, water treatment, as well as in other areas.

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