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The combination Rate of Rise/Fixed Temperature Heat Sensor (RHA) is a listed Analog/Addressable combination temperature heat sensor compatible with any fire alarm control panel that has the Potter/Nohmi protocol. The heat sensing portion utilizes a proven thermistor for accurate and reliable heat detection. The sensor and base (not included) are made of a durable plastic in an eggshell white (off white) to blend in with the ceiling.
Features
- Adjustable fixed 135° to 174° Fahrenheit
- Rate of rise feature with 10-12°F per minute detection
- LEDs for 360° viewing
- Low profile
- Reliable detection technology
Specifications
- Item : FHA
- Working voltage range : 22.0 to 24.0 V
- Standby current : 325 µA
- Alarm indicator : 2 LEDs
- Alarm indicator current : 1.2 mA D.C.
- Alarm set-point range : 135 to 174 °F/ 57 to 79 °C
- Rate-of-rise : 12 to 15°F
- Installation temperature range : 32 to 100 °F / 0 to 38 °C
- Operating relative humidity range : 0% to 93% (Non-condensing)
- Start-up time : Max. 1 sec.
- Maximum number of addresses per loop : 127
- Maximum number of lighted indicators in alarm per zone. : 13
- Color : Eggshell White
- Weight (without base) : 73g (2.57oz)
- Dimensions (without base) : Height: 1.50 in (38mm) Diameter: 4.0 inches (99mm)
- Approvals / Listings UL, ULC, CSFM, MEA
