压力变送器

压力变送器用于测量工业液体和气体的压力或液位。测量输出信号会传输到控制系统。精确稳定的过程测量确保用户工厂能够安全、可靠且可盈利地运营。

横河电机的压力变送器不仅小巧轻量、直观智能,而且性能出色,其操作、调试、安装、运行和维护等均非常简便。无论是安装在海上平台的恶劣环境中还是在沙漠高温下的炼油厂中,DPharp系列产品均可进行准确、可重复、高度完整的过程测量。

了解更多压力变送器相关内容

点击上方的“详细信息”,查看以下内容。

详细介绍

横河电机从事电子压力变送器的制造已有四十余年,对该行业起到了推动变革的作用,并且通过在1991年推出DPharp电子传感器,为压力测量建立了新标准。新技术的出色性能使得市场呈指数级扩张。横河电机会持续在数字化变更中不断完善DPharp系列,为客户提供一流的压力测量解决方案。

Pressure Transmitter Historical Time Line

横河电机压力传感器发展的时间轴

DPharp压力变送器EJX系列/EJA系列对照表

有关详细规格,请参阅各产品页面上的一般规格书。

  EJX-A 系列 EJA-E 系列
精度
± 0.025%  
± 0.040%
± 0.055%  
稳定性
URL的±0.1%/15年  
URL的±0.1%/10年  
最大工作压力
250 bar
160 bar  
比例
200 : 1  
100 : 1  
多传感
DP, SP
安全性
FMEDA报表
IEC61508认证
响应时间
< 90 msec
用户线性
10点信号特性
FF功能块
AI (模拟输入)
PID (PID控制)
其他 *
FF链接主机
标准
先进诊断
引压管堵塞检测  
热追踪监  
报警输出
接点输出  
多变量
DP, SP, PT, QV and QM  
无线通信
ISA100.11a  

* 其他功能块包括SC (信号特性)、IT (积分器)、AR (算法)、IS (输入选择器)。

参考

概述:

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.

概述:

Yokogawa DPharp EJA/EJX Pressure transmitters do not need frequent re-zeroing due to superior long term stability, it contributes to reduce maintenance time.

行业:
概述:

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.

行业:
概述:

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
概述:

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.

行业:

下载

视频

概述:

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.

概述:

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

概述:

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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