What system detects dangerous levels of H2S in the air?

A Hydrogen Sulfide (H2S) Indicator is specifically designed to detect the presence of hydrogen sulfide gas in the air. H2S is known for its toxic and corrosive properties, making it essential to monitor its levels in environments where it may be present, such as in oil and gas industries or sewer systems.

The Hydrogen Sulfide Indicator works by using chemical sensors that respond to H2S concentrations and often provide real-time readings along with visual or audible alarms to warn personnel of unsafe levels. Its effectiveness in identifying H2S ensures timely defensive measures can be taken to protect health and safety, which is crucial since exposure can lead to serious health issues or even fatality.

In contrast, the other options are not suited for measuring H2S concentrations. Carbon monoxide detectors monitor carbon monoxide levels, smoke alarms are designed to detect smoke indicating fire, and oxygen sensors measure oxygen levels in the environment. Each of these devices serves a specific purpose related to their respective gases, but neither is equipped to detect hydrogen sulfide specifically.