Sewerin (officially Hermann Sewerin GmbH) is a globally respected, family‑owned engineering company headquartered in Gütersloh, Germany, with nearly a century of experience in designing and manufacturing precision instruments for gas and water leak detection, pipeline location, and process safety monitoring. The brand is internationally recognized as a technology leader in utility diagnostics and network integrity solutions, serving utilities, industrial operations, infrastructure maintenance teams, and service professionals worldwide.

At its German headquarters, Sewerin maintains a fully integrated development process — from concept and design to testing and production — with a firm emphasis on quality, reliability, and innovative engineering. A global distribution network of sales engineers, subsidiaries, and partners enables Sewerin to support customers in over 80 countries.

 

Advanced Leak Detection & Measurement Technologies

Sewerin’s product portfolio is centered around high‑performance instrumentation for locating, measuring, and warning of water and gas leaks, as well as tools for underground utility and pipe network analysis. These solutions deliver accurate, real‑time actionable data that helps operators enhance infrastructure safety, reduce losses, and accelerate maintenance workflows.

Water Leak Detection & Network Monitoring

• Electro‑acoustic listening devices to pinpoint underground water leaks with high sensitivity. Sewerin

• Noise loggers (SePem® series) for systematic water network monitoring with long‑term data logging and wireless transmission.

• Correlation systems (SeCorr®) that mathematically triangulate leak positions in pipe sections, streamlining excavation and repair planning.

Gas Leak Detection & Safety Instruments

Sewerin supplies a broad range of portable and fixed gas leak detection systems optimized for gas utilities, industrial facilities, and safety professionals:

• Surface and underground gas leak locators for methane and other combustible gases.

• Gas warning and concentration monitors that integrate advanced sensor technologies for real‑time alerts.

• Specialist instruments designed for biogas, landfill gas monitoring, and industrial gas safety applications.

These devices help prevent hazardous conditions, protect personnel, and ensure regulatory compliance in gas distribution networks and process environments.

Underground Utility & Pipeline Location Technologies

Sewerin’s offerings also include advanced underground utility locators and tracers designed for accurate detection of water, gas, and other buried services, reducing guesswork and excavation costs while minimizing infrastructure damage. These locator systems provide:

• High‑resolution signal reception and multi‑frequency detection

• Support for metallic and non‑metallic pipe tracing

• Integrated GPS and advanced processing for precise positioning

Designed for Demanding Field and Safety Environments

Sewerin products are engineered for rugged field use and high‑reliability performance:

• Durable housings and robust construction for harsh outdoor and utility environments

• Portable and ergonomic designs for field technicians

• Interfaces and software that facilitate rapid interpretation of complex data

The company emphasizes product longevity, minimal maintenance needs, and accuracy — especially in critical infrastructure inspection and safety workflows.

Comprehensive Services & Support

Beyond instrumentation, Sewerin provides an extensive suite of customer services that enhance product value and uptime:

• Stationary and mobile device maintenance and repair services, including on‑site support vehicles that service instruments without downtime.

• Professional training programs and seminars with hands‑on leak detection practice on test networks.

• Calibration, servicing, and technical consultation to ensure optimal performance and compliance.

Global Reach and Customer Integration

Through strategic international subsidiaries and distribution partnerships, Sewerin’s technologies are deployed across utilities, municipalities, industrial facilities, and service contractors worldwide. Its global footprint ensures responsive support, standardized training, and seamless integration into utility and industrial workflows.