system sensor 2 wire duct detector for sale, brand-new and used.

RTS2 is a multi-signaling accessory, without strobe, designed to work with InnovairFlex 4-wire conventional duct smoke detectors. Features include: • Standby (Green Blink), Trouble (Amber), Maintenance (Amber Blink) and Alarm (Red) LEDs to indicate detector status • Keyswitch to select desired sensor, enable test/reset button and sensitivity reading • Test/reset button • Sensitivity reading ability with SENS-RDR (sold separately) • Selectable continuous or temporal tone

4-wire photoelectric low-flow duct smoke detector The InnovairFlex™ Series are the only duct smoke detectors flexible enough to fit configurations from square to rectangular and everything in between. The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet pe

System sensor model number D4120 4 wire duct smoke detector

Brand new inbox...Never been used. SpecificationsAir Duct Velocity100 to 4000 ft./min. (0.5 to 20.32 m/sec)Alarm auxiliary contacts DPDT10A @ 30 VDC (resistive); 10A @ 250 VAC (resistive); 1/2 HP @ 240 VAC ; 1/4 HP @ 120 VACAlarm Current:65 mA @ 24VDC 135 mA RMS @ 24VAC 60

System Sensor D4120 Innovair Flex HVAC Duct Smoke Detector 4-Wire New 4-Wire Photoelectric

System Sensor DCOIL 2-wire Remote Test Coil for Innovair Flex Smoke Detector

NEW System Sensor RTS151KEY - The RTS151 and RTS151KEY remote test stations are automatic fire detector accessories designed to test duct smoke detectors from a convenient location. For 4-wire detectors, the RTS151KEY test station features a multi-colored LED that alternates between steady green and red. For 2-wire detectors, the LED illuminates red for alarm.

The System Sensor RTS151KEY(A) is an automatic fire detector accessory designed to test remotely located duct and beam detectors. For 4-wire detectors, the RTS151KEY(A) features a multi-colored LED that alternates between steady green and red. Green indicates power and that the detector board is in place.

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System Sensor Remote Test Station to Test Smoke Detectors (replaces RTS451) The RTS151 remote test station is an automatic fire detector accessory designed to test duct smoke detectors from a convenient location. Specifications

The RTS151KEY remote test station is an automatic fire detector accessory designed to test duct smoke detectors from a convenient location. For 4-wire detectors, the RTS151KEY test station features a multi-colored LED that alternates between steady green and red. For 2-wire detectors, the LED illuminates red for alarm.