聲級計(jì)是(shì)基本(běn)的噪聲(shēng)測量儀(yí)器(qì),聲(shēng)壓級測量是(shì)其基(jī)本的功能。對於很(hěn)多(duō)功能(néng)單一的聲級計,很(hěn)多人也習慣(guàn)稱其為“分貝(bèi)儀(yí)"或“噪(zào)音(yīn)計(jì)"等。它是(shì)一(yī)種(zhǒng)電(diàn)子儀(yí)器,但又不(bù)同(tóng)於(yú)電(diàn)壓表等(děng)客觀電(diàn)子儀表(biǎo)。 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. 在把(bǎ)聲(shēng)信號(hào)轉換成(chéng)電信號(hào)時,可以(yǐ)模擬人耳對聲波(bō)反應速度(dù)的時(shí)間特(tè)性;對高低(dī)頻有不(bù)同靈(líng)敏度(dù)的頻(pín)率(shuài)特性(xìng)以及(jí)不(bù)同響(xiǎng)度時改(gǎi)變頻率特性(xìng)的強度(dù)特性。 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. 便攜式測振儀(yí)適用(yòng)於機械設(shè)備(bèi)的(dí)振(zhèn)動測(cè)量,特別是旋轉和(hé)往(wǎng)復機械(xiè)中的振動(dòng)測(cè)量。可(kě)測量振動位移,速度和加速度(dù)三參數(shù)。 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. 利用(yòng)該儀(yí)器在軸承座(zuò)上(shàng)測(cè)量的數據,對照(zhào)國際標(biāo)準ISO2372,或(huò)者企業機(jī)器本身的(dí)標(biāo)準(zhǔn)就可確(què)定設備所處的(dí)狀(zhuàng)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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