The manometric flame apparatus was developed by Rudolph Koenig in 1862热处理设备[http://www.wx-green.com 热处理设备]热处理设备 , and was used throughout螺旋输送机[http://www.wx-fd.com 螺旋输送机]螺旋输送机
the field of acoustics prior螺旋输送机[http://www.wx-fd.com/cpjs2.htm 螺旋输送机]螺旋输送机 to the 20th-century advancement方管[http://jshengfa.com 方管]方管 of more precise隔膜压力表[http://www.gsyb.com.cn/1-11.html 隔膜压力表]隔膜压力表 methods数字压力表[http://www.gsyb.com.cn/1-5.html 数字压力表]数字压力表 of examining the shape of sound waves, such as the phonodeik or modern oscilloscopes耐硫压力表[http://www.gsyb.com.cn/1-21.html 耐硫压力表]耐硫压力表
. In this device耐震压力表[http://www.gsyb.com.cn/1-2.html 耐震压力表]耐震压力表 , a sound wave is captured by a cone膜盒压力表[http://www.gsyb.com.cn/1-6.html 膜盒压力表]膜盒压力表 , which connects to one side of an enclosed capsule杭州驾校[http://www.hzsxjx.cn 杭州驾校]杭州驾校 . The capsule is bisected by a rubber diaphragmAluminum sheet;[http://www.jdaluminum.com Aluminum sheet];Aluminum sheet . On the other side, flammable gas is flowing upward to supply the flameAluminum sheet;[http://www.jdaluminum.com/product.asp Aluminum sheet];Aluminum sheet . The rubber diaphragm acts as a modulator for the gas flow, causing the height of the flame to change with the pressure variations in the sound..

