Which type of fire alarm system is typically used for early detection of fire via heat?

The rate of rise heat detector is specifically designed to detect rapid increases in temperature that are characteristic of a fire. This type of detector is particularly sensitive to quick changes in heat, making it ideal for early detection of fire conditions. When the temperature rises above a predetermined threshold, typically due to flames or intense heat from a fire, the detector activates an alarm.

This capability allows for quicker reaction times, potentially preventing the spread of a fire and minimizing damage or injury. Other types of detectors, such as ionization and photoelectric smoke detectors, work based on detecting smoke particles but may not respond as quickly to heat alone, especially in the early stages of a fire. A conventional fire alarm system, while essential for overall fire safety, encompasses various types of detectors and does not specifically indicate a fire detection method. Thus, the rate of rise heat detector is particularly advantageous for scenarios where rapid heat detection is critical.