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In your own network information system or with the Sewerin solution Stationary monitoring of drinking water networks with noise loggers is a proven technology. The noise loggers are placed on the water pipes and listen to the water networks, so to speak. What is new is that the loggers then transmit the measurement data via LoRaWAN. This allows Laurent and Amelie to quickly detect, for example, if a noise suddenly becomes louder, whether water losses are occurring in their network. The SePem®...

SEWERIN - A family on the road to success The 4th generation - globalisation and new markets ...  The rapidly growing Chinese market has definitely opened and Sewerin has positioned itself in the “Middle Kingdom” as a proven partner for gas and water suppliers. Dr. Swen Hermann Sewerin – son of Peter Sewerin and grandson of Willy Sewerin – joined the company in July 2001 and successfully led the company as CEO from 2004 to 2025. With the entrée of the 4th generation, the continuity of this...

Protecting Water, Gas and Life. Sewerin has companies and partners located around the world to assist our clients in locating flammable gas and water leaks, locating pipes/cables, and measuring process gas in biogas plants. Sewerin's instruments have a pedigree of more than 100 years of experience coupled with innovative technologies. Sewerin protects people from the risk of flammable gas explosion and the environment from methane and other gas emissions and water leakage loss. 

Directive 2014/34/EU - ATEX - Production Quality Assurance Notification IEC-EX-Certificate Safety Management System / BG ETEM Certificate DIN EN ISO 45001 Certificate DIN EN ISO 9001 Certificate DIN EN ISO 9001 - Annex Certificate DIN EN ISO 9001 - Sewerin S.àr.l. AEO certificate (Authorised Economic Operator) reddot design award - honourable mention 2012 AquaTest T10

Locating natural gas leaks - warn, detect, measure Sewerin manufacture a wide range of gas detection equipment suitable for many different gas monitoring and warning applications. Sewerin gas detection instruments can be used to locate gas leaks indoors and outdoors. Your challenge? We have the solution.

What distinguishes our authorised service partners? Approved Sewerin service partners