Gas warning instruments
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Gas warning instruments

Sewerin offers various gas warning instruments, e.g. for work place monitoring or proving toxic and flammable gases.


More informations:

  • EX-TEC Combi - Multi-gas measuring device for work place monitoring with active and passive explosion protection
  • EX-TEC PM 4 - Gas detection, gas warning, gas concentration measuring instrument for ppm, LEL and vol.% range applications
  • EX-TEC GM 4 - Gas warning and gas measuring instrument for proving toxic and flammable gases, as well as oxygen
  • EX-TEC SR5, EX-TEC SR4, EX-TEC SR2, VARIOTEC 8-EX - Combination measuring Instruments for every purpose


Hermann SEWERIN GmbH - home - English - French - German - Italian - Spanish


Further SEWERIN products and services:

  • AQUAPHON system - Electro-acoustic water leak detection PLUS pipe and cable location
  • COMBIPHON system - Locating plastic pipes acoustically
  • DUOPHON - Combined water leak detection and pipe location
  • EX-TEC - Gas warning devices
  • EX-TEC PM 4 - Gas detection, gas warning, gas concentration measuring instrument for ppm, LEL and vol.% range applications
  • FERROPHON - Pipe and cable locating systems - Avoid damage, reduce wasted excavation
  • FERROTEC - Detection of covered objects
  • F.L.I.S. - Clean air in the pit
  • Gas leak - Gas leak detection with Portafid and EX-TEC devices
  • Leak - Leaking - Leak detection - Network survey
  • Leakplotter - The high-tech solution for gas leak detection
  • Minilec - Measuring instrument for preliminary test, main test and test of working order in accordance with TRGI as well as regulator inspection
  • Odorization - Odorant measuring - simple and economical
  • Pig location - The most advanced localisation system for pipeline systems and pipe laying industry
  • Pipe Locator - Pipe and cable locating systems - Avoid damage, reduce wasted excavation
  • PORTAFID - Gas network survey with PORTAFID
  • Rohrnetz aktuell - Seminars
  • SeCorr - Correlative Leak detection in water supply networks
  • Securi SAT - GIS documentation in gas network survey
  • SePem - Noise logger to pre-locate water leaks systematically
  • Snooper 4 - For leak detection on house service lines
  • Snooper mini - For gas fitters and service technicians
  • Stethophon - Leak detection at uncovered water pipes
  • VARIOTEC - Gas network survey with VARIOTEC
  • Vehicle mounting - Professional and complete vehicle development
  • Water leak detection - Instruments for water leak detection
  • Water leak - Method for water leak detection


International Distribution Partners:

Markennamen der Hermann Sewerin GmbH:
Brands of Hermann Sewerin GmbH:
aqua, aquaphon, aquafon, biloc, combi, combiphon, combifon, docbox, duophon, duofon, ethan-box, ex-tec, flis, f.l.i.s., ferrogas, ferrophon, ferrofon, ferrotec, gasophon, gasofon, gm4, gm4, memotec, minilec, mistral, od4, od 4, om3, om 3,pm3,pm 3, pm300, pm 300, pm4, pm 4,portafid, sanflex, secorr, securi, sat, securisat, sefum, sepem, sewerin, snooper, snooper4, snooper 4, snoopex, snoper, sr, stethophon, stethofon, stetofon, thermoline, variotec

© Hermann Sewerin GmbH - ps-0023 - Subject to technical changes