Which gas is commonly detected by Toxic Gas Sensors?

Toxic gas sensors are specifically designed to detect harmful gases that can pose significant health risks to humans. Among the options provided, ammonia is a well-known toxic gas that can lead to severe respiratory and other health issues upon exposure. It is commonly found in industrial settings, agricultural operations, and when it is utilized in refrigeration systems.

Ammonia detection is critical for ensuring safety in environments where it is present due to its irritant effects on skin, eyes, and respiratory systems. Toxic gas sensors are often tuned to specific compounds, and ammonia's characteristics and health implications make it a priority for detection in hazardous material operations.

In contrast, while carbon dioxide is important to monitor in confined spaces due to its asphyxiation risk, it is not classified as a toxic gas in the same way ammonia is. Nitrogen, being a major component of the atmosphere, is generally considered inert and not toxic under normal conditions. Ozone, while it can be hazardous at certain concentrations and is often monitored for air quality, is not as commonly associated with direct toxicity in the same industrial contexts as ammonia.

Thus, ammonia stands out as a typical target for toxic gas sensors in various settings due to its recognized danger and the necessity for detection to ensure worker safety.