Rate Of Rise Heat Detector Diagram. 3 rows 280b pl series heat detectors offer fixed temperature or combi nation rate of rise and fixed. Rate of rise heat detector.
Ideal environments that are dirty or smoky under normal conditions. A built in thermostat trips the. Rate compensated heat detectors are designed to initiate an alarm when the temperature of the surrounding air reaches a predetermined level regardless of the rate of temperature rise.
Can be used for applications where smoke detectors are unsuitable.
If the heat rise is greater than 12f per minute the detector will alarm immediately giving an early warning signal and latching the red alarm leds on. High quality components are fitted for greater reliability. L1 and l2 become shorted when the top section. Rate of rise heat detectors sense the heat in the room.