详细说明
Hekatron Smoke Detectors 烟气探头 Article Code Description ORM-130A Optical smoke detector ORM-140S Optical smoke detector SSD-521 Scattered light smoke detector SSD-531 Scattered light smoke detector STD-531 Multisensor detector Hekatron Heat Detectors 感温探头 Article Code Description UTD-521 Universal temperature detector UTD-531 Universal temperature detector Hekatron Smoke Switches 烟气开关 Article Code Description ORS-142 Optical smoke switch ORS-145F Wireless smoke switch system LRS-01 Ventilation-duct smoke switch system
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