SC628CPNR
数据手册.pdf
Mallory
电声器件
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.