欧美精品a综合在线|91亚洲乱码精品久久久久|无码av中文一区二区三区桃花岛|久久久无码中文字幕久...|久久久久国产a免费观看RELA|国产免费一区二区三区在线观看|末成年av女网站|中文字幕一区二区三A片

As the name suggests, meter buzzer refers to buzzer products commonly used in instrumentation. Like ordinary products, its purchase also follows a certain principle, that is to consider according to its own product parameters. The specific content we will detail below for everyone.

Parameter one: size

As we all know, the size of the buzzer will affect the size of the volume, so we must carefully consider this factor. As far as the frequency is concerned, the electromagnetic minimum is from 7mm to 25mm, and the piezoelectric type is from 12mm to 50mm or more.

Parameter two: operating voltage

Specifically, the working voltage of the electromagnetic meter buzzer can be from 1.5 to 24V, and the piezoelectric type can be from 3V to 220V. However, the piezoelectric is generally recommended to have a voltage of 9V or more. Big sound.

Parameter three: consumed current

The buzzer consumes different current depending on the voltage. From tens to hundreds of milliamperes, the piezoelectric type is more power efficient, and can operate normally with a few milliamperes, and when the buzzer starts up, it takes about three times as much current to consume.