alarm annunciator

基本解釋

Fire detection and alarm system annunciator unit.
火災(zāi)探測和警報(bào)系統(tǒng)通知器單位。
If controller is linked with alarm output and network fire control expansion board, it can also drive alarm annunciator calling to deter crime and warn the security guard.
如果控制器接了報(bào)警輸出及消防聯(lián)動(dòng)擴(kuò)展板，還可以現(xiàn)場敺動(dòng)報(bào)警器鳴叫，威懾犯罪人員和提醒保安趕來。
The fire extinguishing gas spray device has an annunciator (53) that issues an alarm based on a fire occurrence signal or an earthquake occurrence signal from a disaster alarm device.
在上述滅火氣躰噴射器設(shè)置有告知器53，該告知器53可通過來自災(zāi)害警報(bào)機(jī)的火災(zāi)發(fā)生信號(hào)或地震發(fā)生信號(hào)而報(bào)警。
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