As little as 3% drift in gas analysis can cause five-figure losses. While others are constantly calibrating, Fresenius Umwelttechnik eliminates the measurement error directly in the optics.
The result: patented long-term stability, minimal maintenance costs, and a hardware service life of more than 30 years. Learn how intelligent physics safeguards your return on investment.
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Methane Monitoring in Sludge Halls: NDIR Measurement for Reliable LEL
Explosion hazard in the sludge hall: When sensors go “blind.”
Hydrogen sulfide and moisture often turn conventional methane monitoring into a safety risk. Learn why the right measurement principle determines whether you get a false alarm or real safety – and how to cleverly position the technology outside the Ex zone.
CO Measurement up to the Explosion Limit in RTO Systems | LEL
CO Monitoring in RTO Systems: Safe. Fast. Reliable.
At the lower explosion limit, there is no margin for error. The SC300 LEL analyzer combines robust NDIR measurement technology with a response time of only 5 seconds. This provides the chemical industry with a highly specialized solution for CO measurement in potentially explosive atmospheres—including intelligent sample conditioning.




