Unlike smoke detectors that detect the presence of smoke particles, heat detectors only react to changes in temperature. The ST-H2-AS is a Thermistor based Heat Detector, which uses electronic components that change their resistance when heated; this change is detected by circuitry within the detector.
Requires the MTM Address Programmer.
Thermistor Heat Sensor
Omniview 360°
Direct replacement for ST-H-AS
Robust Fully Modulated AS Communications Protocol
EEPROM addressed (Address stored in on-board EEPROM, programmed by handheld programmer)
Sensor Type
Latest Generation Analogue Heat Detector
Alarm Voltage
17 to 28 Volts dc
Operating Current
Low Quiescent Current – 500μA
Alarm Current (LED on) – 3mA
