差壓

差壓(DP)定義為兩個壓力之間的差異。 差壓傳送器使用低壓側壓力的參考點,並與高壓側壓力進行比較。 儀器中的接口標記為高側和低側。 DP讀數可以是負或正,取決於低側或高側是否為較大的值。 如果低壓側向大氣開放,則DP傳送器可用作表壓傳送器。

工業應用示例: 密閉桶槽液位、密度、過濾器診斷、流量偵測

橫河表壓力傳送器使用數位DPharp sensor技術能快速取得準確,可靠的讀數。

哪個系列適合您?

 

單選上面的“詳細內容”了解每種解決方案

Details

哪個系列適合您?

詳細規格請參閱“下載”分頁裡面的通用規格。

  EJA-E Series EJX-A Series
EJA-E Series EJX-A Series
Accuracy
± 0.025%  
± 0.040%
± 0.055%  
Stability
± 0.1% of URL per 10 years  
± 0.1% of URL per 7 years  
Response Time
90 msec
Safety
FMEDA Report
IEC 61508 Certified (SIL 2)
Multi-sensing
Differential Pressure
Static Pressure

參考

摘要:

DP Level transmitter configuration can be very time consuming. Yokogawa DPharp EJA/EJX Pressure transmitters realize reduction in man hours by smart level setup feature.

摘要:

Differential pressure level measurement has an enemy- temperature. Temperature can have a negative effect on the accuracy of level measurement. This article covers why temperature has this effect and how it can be reduced.

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