What is the primary purpose of a heat sensor?

The primary purpose of a heat sensor is to detect changes in temperature as a potential indicator of fire. Heat sensors are designed to respond to rising temperatures that may signal the presence of a fire. They can be utilized in various environments, including power plants, where early detection is crucial for safety. By monitoring temperature changes, heat sensors can activate alarms or fire suppression systems when a specified threshold is reached, allowing for timely response to potential fire hazards.

In contrast, visual observation of fire is not the function of heat sensors; they operate based on detectable temperature changes rather than sight. Monitoring carbon dioxide levels pertains to air quality and fire suppression effectiveness, not directly to fire detection. Measuring humidity levels is relevant to understanding conditions for fire spread but is not a role that a heat sensor fulfills. Understanding these distinctions highlights the effectiveness and specialized role of heat sensors in fire detection systems.