聲(sheng)級計(ji)是基本的(de)噪聲(sheng)測量儀器，聲(sheng)壓級測量是其基本的(de)功能(neng)。對(dui)于很多功能(neng)單一(yi)的(de)聲(sheng)級計(ji)，很多人也(ye)習慣稱其為“分(fen)貝儀"或“噪音計(ji)"等。它是一(yi)種電子儀器，但又不(bu)同于電壓表等客觀電子儀表。

Sound level meter is a basic noise measuring instrument, and sound pressure level measurement is its basic function. For many sound level meters with single function, many people are used to calling them "decibel meter" or "noise meter". It is an electronic instrument, but it is different from objective electronic instruments such as voltmeter.

在(zai)把聲信號轉換(huan)成電信號時，可以模擬(ni)人耳對聲波反應速度(du)的(de)時間特性(xing)；對高低(di)頻有不(bu)同靈敏(min)度(du)的(de)頻率特性(xing)以及不(bu)同響度(du)時改變頻率特性(xing)的(de)強度(du)特性(xing)。

When the acoustic signal is converted into electrical signal, the time characteristic of human ear's response speed to acoustic wave can be simulated; Frequency characteristics with different sensitivity to high and low frequencies and intensity characteristics changing frequency characteristics at different loudness.

便攜式測(ce)(ce)(ce)振(zhen)儀適用于(yu)機械設(she)備的(de)振(zhen)動(dong)測(ce)(ce)(ce)量(liang)(liang)，特別是旋(xuan)轉和往復機械中(zhong)的(de)振(zhen)動(dong)測(ce)(ce)(ce)量(liang)(liang)。可測(ce)(ce)(ce)量(liang)(liang)振(zhen)動(dong)位移、速度和加(jia)速度三(san)參數。

Portable vibration meter is suitable for vibration measurement of mechanical equipment, especially in rotating and reciprocating machinery. It can measure three parameters of vibration displacement, velocity and acceleration.

利(li)用該儀器在軸承座上測量的(de)數據，對照國際標(biao)準(zhun)ISO2372，或者(zhe)企業機器本身的(de)標(biao)準(zhun)就可確定設備所(suo)處的(de)狀態。

Using the data measured by the instrument on the bearing pedestal, the state of the equipment can be determined according to the international standard ISO2372 or the standard of the enterprise machine itself.

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