SEWERIN
About Sewerin
Hermann Sewerin GmbH, commonly known as SEWERIN, is an internationally successful, family-owned German engineering company headquartered in Gütersloh, Germany. The company is a technology leader in the development, manufacturing, and global distribution of precision measuring and leak detection equipment for the gas and water supply industry, as well as for related infrastructure inspection applications.
History & Identity
SEWERIN has a long tradition of innovation in electronic measuring instruments and leak detection technology. The company’s products and services are designed to support utility providers, industrial operators, service technicians, and infrastructure maintenance teams in detecting, locating, and documenting leaks and network issues in gas and water pipelines.
Product Portfolio
SEWERIN’s product range focuses on gas and water leak detection, pipeline location, and network monitoring, including:
Water Leak Detection
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Electro-acoustic listening devices (e.g., AQUAPHON® series)
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Noise loggers for long-term network monitoring
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Correlators for precise leak location
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Tracer gas detection tools
These technologies help locate underground water leaks efficiently and accurately.
Gas Leak Detection & Safety
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Portable and fixed gas leak detectors
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Gas warning devices for safety monitoring
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Instruments for biogas and landfill gas applications
SEWERIN products support compliance with industry standards and ensure safe gas distribution network operations.
Pipeline & Utility Detection
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Pipe and object location tools for mapping buried infrastructure
This reduces guesswork in excavation and maintenance activities.
Global Reach & Quality Assurance
SEWERIN products are sold and supported through an extensive global distribution network of direct sales engineers, subsidiaries, and distribution partners, enabling the company to serve customers in over 80 countries.
The company’s quality management system complies with the DIN EN ISO 9001 standard, and SEWERIN holds Authorised Economic Operator (AEO) certification, underscoring its commitment to product quality and international trade standards.