About us

Hermann Sewerin GmbH

Technology leader for gas and water leak detection equipment

The Sewerin group of companies is an internationally successful, family owned group with nearly a century history, its headquarters located in Gütersloh, Germany. Our core business is the development, production and global distribution of electronic measuring equipment for the gas and water supply and distribution industry.

At the Gütersloh location, the innovative devices move through development, design, testing and production before they are finally ready for the market. Throughout there is a particular emphasis on high quality and functionality. An important factor of success is the production in Germany.

An extensive distribution network consisting of sales engineers, subsidiaries and distribution partners in over 80 countries makes success on a global level possible.


Products and services

Technologies for leak detection.

Measuring instruments for:

  • Gas leak detection indoors

  • Gas leak detection outdoors

  • Gas warning devices

  • Landfill and biological gas

  • Test gases and test sets

  • Correlators

  • Electro-acoustic water leak detection

  • Noise logger

  • Tracer gas

  • object detection

  • Pipe location
SeCorrPhon AC 200

The SeCorrPhon AC 200 is a multifunctional water leak detector offering three functions in one: prelocation, pinpointing and correlation. The clever combination of these processes in one system allows you to confidently locate the leak regardless of the ambient conditions. With just a few finger strokes, you can quickly and easily switch between the various applications.

Further reading

BioControl 2

The Multitec® BioControl is a unique measuring system comprising a fixed stationary unit and a mobile gas measuring device. It is used in small to medium-sized biogas plants, landfills, wastewater treatment plants and composting plants.
The BioControl 2 automatically monitors and records the gas quality at a maximum of two measurement locations. The mobile gas measuring device Multitec® 540 or the Multitec® 545, can also be used to manually calculate measurement values anywhere in a plant.

Further reading

Multitec 545

Multi-gas measuring device with infrared sensors and extended measuring range for hydrogen sulphide.
With the Multitec 545, up to five gases can be measured simultaneously. The very high H2S concentrations in wastewater treatment plants and palm oil factories, for example, place special demands on the measuring instrument. With its rugged design and wide H2S measuring range, the Multitec 545 is ideal for this use.

Further reading

Hermann Sewerin GmbH
Robert-Bosch-Str. 3
33334 Guetersloh

Phone: +49 5241 9340
Fax: +49 5241 934444
Internet: www.sewerin.com
E-mail: Send message

Contact person

Lutz Hoernschemeyer
Export Manager
Phone: +49 5241 9340
E-mail: Send message

Beijing Polytide Machinery Co. Ltd
Bldg. 55 of MAX Science Park, 12 Zhuyuan Rd., Shunyi District
101312 Beijing
P.R. China

Phone: +86 10 57807006
Fax: +86 10 57807007
Internet: www.polytide-bj.com
E-mail: Send message

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