分為氣動(dòng)儀表、電動(dòng)儀表、液動(dòng)儀表。
有0.005,0.02,0.05,0.1,0.2,0.4,0.5,1.0,1.5,2.5,4.0等。
用來感受生產(chǎn)過程中壓力、流量、物位、溫度等參數(shù)變化的元件稱為測量元件。