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Tanda Conventional Reflective Optical Beam Smoke Detector Beam Detector Relay Output: 12 Fire Detection and Alarm Systems BS 5839 Part 1:2002 Specification Operating Voltage 20 V to 28 V DC Current Parameters Standby:23mA Commission:40µA Alarm:33mA Beam Sensor Sensitivity [via ...

2-wire Conventional Heat Detector Alarm Sensor: Skype firealarm87 /wechat 15220176087 2-wire Conventional Heat Detector Heat Alarm Sensor The device is intelligent sensors that utilize a state-of-the-art thermistor sensing circuit for fast ...

2-wireconventional Photoelectric Smoke Detector Sensor Alarm: in your country. 2. Attach mounting base to ceiling or wall. The base of the detector can be mounted directly onto an electrical junction box such as an octagonal (75mm, 90mm or 100mm), a round ...

4-wire Smoke Detector with Sound and Relay Output Network Smoke Sensor Fire Alarm Detector: Skype firealarm87 / wechat 15220176087 4-wires Smoke Detector with sound and relay output, Operates by Advanced MCU Expert Algorithm Software. The detectors are photo-electronic detector uses a state ...

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Tanda Conventional Reflective Optical Beam Smoke Detector Beam Detector Relay Output