壓力開關選型需考慮三大指標
一、接口選擇
選擇壓力開關的接口之前，用戶首先要嚴格落實自己所需壓力開關的壓力接口尺寸，有條件的可以提供產品外形圖與廠商確認，最后再選擇出正確的接口形式和接口尺寸。
二、量程選擇
量程是壓力開關最重要和最基本的參數之一，用戶要考慮好系統設備的工作壓力范圍，選擇的壓力開關的量程范圍最好比實際所需壓力范圍還大一到兩倍，要切記，量程范圍不可比實際壓力范圍小。用戶可以與廠家的技術人員協商之后再做決定，選擇最符合要求的量程范圍。
三、電氣接口的選擇
電氣接口是傳輸信號的重要接口，用戶在選擇時要慎重確認信號的采集方式及工業現場的布線情況，選擇既合適又正確的信號接口。
以上三大指標是壓力開關選型的重要指標，用戶在選擇時要根據自己行業，選擇出不同的壓力開關。
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