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。准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。
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隔膜密封系统
隔膜密封系统可用于测量液体、气体或蒸汽的流量以及液位、密度和压力。
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无线差压/压力变送器
横河电机提供符合ISA100无线通信标准的压力变送器产品,包括各种过程连接方法的差压、绝压和表压变送器。
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合作伙伴的压力变送器产品
横河合作伙伴的压力变送器产品
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产品查询
“产品查询”是一种网络工具,可以根据应用、测量条件和所需规格更容易地查找产品。
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,为客户提供良好的压力测量解决方案。
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 | ● | |
热追踪监视 | ● | |
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
Yokogawa DPharp EJA/EJX Pressure transmitters do not need frequent re-zeroing due to superior long term stability, it contributes to reduce maintenance time.
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.
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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视频
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.
Yokogawa’s Local Parameter Setting (LPS) featured in our Pressure Transmitters helps you set 9 parameters without the use of a handheld communicator.
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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