EJX438B无线远程隔膜密封表压变送器

无线隔膜密封用于防止过程介质直接进入差压和压力变送器的压力传感组件,使用充满液体的毛细管将其连接至变送器。

EJX118B无线隔膜密封差压变送器和EJX438B无线隔膜密封表压变送器可用于测量液体、气体或蒸气的流量以及液位、密度和压力。

EJX118B和EJX438B通过无线信号传输过程变量以及设定参数。该变送器使用内置电池,因为不需要硬件布线可以大幅降低安装成本。该通信协议兼容ISA100.11a协议规格。

详细介绍

  • 电池寿命长
    使用大容量锂亚硫酰氯电池,超低耗电设计为无线运行提供更长的电池寿命。
  • 安全可靠的无线网络连接
    设备之间的红外通信用于无线网络配置和参数设置。
  • 快速更新时间
    可将无线发布测量过程值的时间设定为0.5秒~60分钟

参考

概述:

ISA100 wireless temperature and pressure transmitters.

概述:
  • Daily manual reading of pressure and temperature gauges with report by phone.
  • The customer wants to change measurement from off-line to on-line.
  • Cabling for wired transmitters in huge plants (up to 300 meters long) is expensive.
行业:
概述:
  • Wireless pressure and temperature monitoring.
  • Repeater was set under the gateway.
  • The maximum distance between the repeater and transmitters is approximately 500m.
行业:
概述:

ISA100 wireless temperature and pressure transmitters with orifice plates allow:

  • No cabling installations or maintenance.
  • Small amount of hardware and simple equipment implementation means minimizing potential vandalism.
行业:
概述:

ISA100 Wireless Monitoring  

  • Gateway x1, Temperature Transmitter (YTA) x3, Pressure Transmitter (EJX) x1, Repeater x1

Gateway is installed at control room and 3m height extended antenna is set.

行业:
概述:
  • Temperature Transmitter (YTA) and Pressure Transmitter (EJX) are installed at each monitoring point.
  • Repeater is installed on high position.
行业:
概述:
  • Oil level measurement of diesel tanks that feed fuel to their diesel generator's which are at three locations and 400 meters apart from each other.
  • Also to measure level , pressure and flow to and from their main storage yard.
行业:
概述:

ISA100 Wireless Temperature and Pressure Transmitters

  • Gateway x1, Temperature Transmitter (YTA) x1, Pressure Transmitter (EJX) x1

High quality wireless communication confirmed

  • Packet Error Rate (PER) is 0 to 2.5%/ 5 days
概述:

The use of wireless technology in industrial automation systems offers a number of potential benefits, from the obvious cost reduction brought about by the elimination of wiring to the availability of better plant information, improved productivity and better asset management. However, its practical implementation faces a number of challenges: not least the present lack of a universally agreed standard. This article looks at some of these challenges and presents the approach being taken by Yokogawa.

概述:

In recent years, more field wireless devices have been used in hazardous areas. Meanwhile, in plants that are usually recognized as hazardous areas, there are numerous metallic tanks and pipes that easily shield or reflect radio waves, as discussed later, thus resulting in a poor environment for wireless communication.

概述:

The innovation of wireless technology increases the use of wireless communication in the industry. The introduction of wireless communication to plants, however, requires strict features such as robustness, real-time responsiveness, and low power consumption. This has restricted the use of wireless communication to limited applications such as data logging and device status monitoring that does not require strict real-time responsiveness and data arrival reliability in communication.

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