壓力傳送器

壓力傳送器用於測量工業液體和氣體的壓力或液位。測量輸出訊號傳輸到控制系統。精確穩定的製程測量確保工廠能夠安全、可靠且可盈利地營運。

橫河電機的壓力傳送器不僅小巧輕量、直觀智慧,而且性能出色,操作、調試、安裝、運行和維護等都非常簡便。無論是安裝在像是海上平台的惡劣環境還是在沙漠高溫裡的煉油廠,DPharp系列產品均可進行準確、可重複、高度完整的製程測量。

 

了解更多壓力傳送器相關內容

點選上方的“詳細資訊”,查看以下內容。

  • 表壓

    我們的壓力傳送器可選擇多種安裝方式,並均可提供準確且可重複的測量。 由於它基於大氣壓力,因此易於處理並可用於各種應用。

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  • 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。

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  • 絕對壓力

    絕對壓力傳送器比較相對於絕對壓力的壓力值。 絕對壓力始終是正值。

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  • 法蘭安裝

    法蘭安裝型 (隔膜密封系統)可用於測量液體,氣體或蒸汽流量以及液位,密度和壓力。

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  • 無線差壓/壓力傳送器

    橫河電機提供一整套符合ISA100標準的壓力傳送器產品線,包括可測量各種製程連接的差壓傳送器、絕對壓力傳送器和表壓傳送器。

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  • 液位

    準確的液位讀數與工廠的安全、穩定跟獲利的運作息息相關。 液位傳送器測量壓差推斷容器中的液位。

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  • 低流量

    使用伯努利原理,差壓傳送器可推算經過管道流體的流動。

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Details

橫河電機製造電子壓力傳送器已有四十餘年,影響相關產業的變革,並且透過在1991年推出DPharp電子sensor,為壓力測量建立了新標準。新技術的出色性能大幅擴張市場佔有率。橫河電機會持續在數位化演變中不斷完善DPharp系列,為客戶提供一流的壓力測量解決方案。

Pressure Transmitter Historical Time Line

橫河電機壓力sensor發展的時間軸

DPharp壓力傳送器EJX系列/EJA系列對照表

有關詳細規格,請參閱各產品頁面上的一般規格書。

  EJX-A Series EJA-E Series
Accuracy
± 0.025%  
± 0.040%
± 0.055%  
Stability
± 0.1% of URL per 15 years  
± 0.1% of URL per 10 years  
Maximum Working Pressure
250 bar
160 bar  
Turn down
200 : 1  
100 : 1  
Multi sensing
DP, SP
Safety
FMEDA report
IEC61508 Certified
Response Time
< 90 msec
User Linearisation
10 points signal characteriser
FF Function Blocks
AI (Analog Input)
PID (PID control)
Other *
FF Link master
Standard
Advanced Diagnostics
Impulse line blockage detection  
Heat trace monitoring  
Alarm output
Contact output  
Multi-Variable
DP, SP, PT, QV and QM  
Wireless Communication
ISA100.11a  

* 其他功能塊包括SC (訊號特性)、IT (積分器)、AR (演算法)、IS (輸入選擇器)。

 

 

 

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:

Caustic soda and hydrochloric acid, produced in electrolyzer plants, are fundamental materials used in varieties of industries; chemicals, pharmaceuticals, petrol-chemicals, pulp and papers, etc. Profit is the result of the effective production with minimized running / maintenance cost. Proper control of the process brings you stabilized quality of products with the vast operational profit.

產業別:
摘要:

Download this eBook and learn:

  • The basic physics of pressure
  • Different types of pressure sensors
  • Features of pressure transmitters
  • Pressure transmitters communications standards
  • Key characteristics of pressure
  • Common types of diaphragm seals
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.

產業別:

下載

影片

摘要:

How much do you know about pressure transmitters? Are you accurately, quickly and reliably measuring pressure? Ultimately, the drive of any good pressure transmitter is to get an accurate, reliable pressure measurement to the data user quickly. This video gives you the answers to your basic questions about pressure and pressure transmitters.

摘要:

Yokogawa’s Local Parameter Setting (LPS) featured in our Pressure Transmitters helps you set 9 parameters without the use of a handheld communicator.

摘要:

Join this webinar to better understand which manifolds you should use for specific applications and conditions. You will learn:

  • A brief history of manifolds
  • An overview of the different types of manifolds that are available
  • The advantages, disadvantages, and application considerations you should consider when selecting a manifold

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