What is a fixed H₂S gas detector? The fixed H₂S gas detector is a long-term installed equipment, which is used to continuously monitor the concentration of hydrogen sulfide (H₂S) in industrial environment. H₂S is a colorless and highly toxic gas with rotten egg smell, which will cause serious harm to human body even at low concentration. The fixed detector can give an alarm in real t... https://www.hirepsafety.com/blog/fixed-h%e2%82%82s-gas-detector-essential-safety-equipment-for-industrial-environments.html