What's the selling price of the detached smoke alarm?
Usually a smoke detector with a smoke sensor, also a dual insurance type (with a photoelectric sensor and an ion sensor); dual sensors are more expensive.
Electroplating house corrosive gases may be relatively heavy, it must require the smoke alarm anti corrosion, regular maintenance, so as not to affect the performance of the alarm.
Electroplating room install smoke alarm, alarm not only alarm sound; connecting signal lines to the duty room, the control room of the sound and light alarm sound and light alarm. This cable is easier to maintain than wireless and has high reliability.
