Logo Made in Germany IE EXPO 2018

Hermann Sewerin GmbH

Booth number: E2-2210

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 its headquarters in Gütersloh, Germany. The 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
  • Odorisation
  • Test gases and test sets
  • Correlators
  • Electro-acoustic water leak detection
  • Noise logger
  • Tracer gas
  • Object detection
  • Pipe location
BioControl 2

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.

Multitec 545

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.

SeCorrPhon AC200

SeCorrPhon AC200

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.


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

Phone: +49 5241 9340
Fax: +49 5241 934444

Lutz Hoernschemeyer
Export Manager
Phone: +49 170 2253947

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