H2d monitors are used to measure the level of hydrogen sulfide in the air. This colorless gas, also known as sewer gas, swamp gas or stink damp due to its pungent odor, is produced in a wide range of industries including mining, oil and gas refining, tanning, paper processing and rayon manufacturing. It is also found naturally in landfills, sewers and manure pits. Exposure to high levels of the toxic gas can cause a variety of symptoms, from eye irritation to unconsciousness.
It is highly recommended that workers wear a portable H2S gas monitor while working in confined spaces. The device is worn in the breathing zone, which is a nine-inch area around the nose and mouth, and should not be obstructed by any clothing or equipment. Many models come with clips that attach to the worker’s clothes, allowing it to stay in the breathing zone without being knocked out of position or falling off.
H2S Gas Monitoring: Protecting Workers and the Environment with H2S Monitors
The monitors are equipped with an electrochemical sensor and one or more alarm set points based on the permissible exposure limit (PEL) determined by OSHA. A visual and audible alarm will signal when the device has detected unsafe levels of hydrogen sulfide.