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並前往https://www.janusfiresystems.com/downloads/PDF/DS1129_PSA_Analog_Photoelectric_Smoke_Detector.pdf

PSA - Analog Photoelectric Smoke Detector - Janus Fire ...

The PSA Photoelectric Smoke Sensor is a listed Analog/Addressable smoke sensor compatible with the JFS-A Series addressable control panels and JFS-IP Series ...

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