ABB進(jìn)口模塊ci840a
1. 使用示波器法測(cè)量:將壓力繼電器的信號(hào)線連接到示波器的輸入端,將示波器調(diào)節(jié)到直流耦合狀態(tài),并調(diào)節(jié)示波器的放大倍數(shù),讀取示波器上顯示的壓力信號(hào)值。
2. 使用數(shù)字萬(wàn)用表法測(cè)量:將壓力繼電器的信號(hào)線連接到數(shù)字萬(wàn)用表的電壓測(cè)量端口,選擇電壓檔位,讀取數(shù)字萬(wàn)用表上顯示的壓力信號(hào)值。
3. 使用壓力表法測(cè)量:將壓力繼電器接口與被測(cè)壓力裝置的輸出接口相連,開(kāi)啟被測(cè)壓力裝置,讀取壓力表上顯示的壓力信號(hào)值。此方法比較適用于液體介質(zhì)的壓力測(cè)量。
4. 使用仿真器法測(cè)量:利用壓力控制器鏈接與被測(cè)壓力繼電器相連接,設(shè)置需要測(cè)試的壓力參數(shù),觀測(cè)比較被測(cè)壓力繼電器輸出的電壓與壓力控制器的壓力測(cè)量值。
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