蜂鸣器, 钟, 28V, 2.9KHZ
Sonalert Chime Alarm
The Mallory Sonalert produces an audible tone by internally creating an oscillating signal which drives a piezo ceramic transducer mounted in a sound chamber. Various types of continuous and intermittent tones are available. Self driven piezo ceramic transducers are superior to electromagnetic buzzers because they produce no arcing, electrical noise, or mechanical wear during operation. The Mallory Sonalert can be actuated by AC and DC power signals and has several mounting configurations and terminations available. A pleasant sound which chimes every one or two seconds as long as voltage is applied. Pulse rate is 0.3 to 2.0 pps at 50% duty cycle.
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
SC628CPNR Mallory | 当前型号 | 当前型号 |
SC628CPN Mallory | 功能相似 | SC628CPNR和SC628CPN的区别 |