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Yokogawa EJA118E Diaphragm Sealed Differential Pressure Transmitter

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  • Yokogawa EJA118E Diaphragm Sealed Differential Pressure Transmitter
  • Yokogawa EJA118E Diaphragm Sealed Differential Pressure Transmitter

›

Yokogawa EJA118E Diaphragm Sealed Differential Pressure Transmitter
The EJA118E diaphragm sealed differential pressure transmitter adopts single crystal silicon resonant sensor technology, which is suitable for measuring the flow rate, liquid level, density, and pressure of high and low temperature, high vacuum, high viscosity, and easily crystallized media. It converts differential pressure into 4-20mA DC current signal output, can measure, display, or remotely monitor static pressure, and has functions such as fast response, remote setting, and self diagnosis.
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Product Description

Product Description

The      EJA118E diaphragm sealed differential pressure transmitter    adopts single crystal silicon resonant sensor technology, which is suitable for measuring the flow rate, liquid level,  density, and pressure of high and low temperature, high vacuum, high viscosity, and easily crystallized media. It  converts differential pressure into 4-20mA DC current signal output, can measure, display, or remotely monitor static  pressure, and has functions such as fast response, remote setting, and self diagnosis.


Features

  • Accuracy ±0.2%

  • Response time: 200 milliseconds

  • TUV and Exida SIL2 / SIL3 Certification

  • Local Parameter Setting (LPS)

  • Characterization of 10 Segmented Signal Curves

  • Actively perform density compensation for capillary filling liquid


Applications

  • Oil & Gas: High-viscosity crude oil, slurry, or corrosive fluid level/flow measurement.

  • Petrochemical: High-temperature reactors, vacuum distillation columns.

  • Power: Boiler drum level, feedwater flow, high-temperature steam systems.

  • Water & Wastewater: Sludge, corrosive chemicals, or crystallization media.

  • Pharmaceuticals & Food: Sanitary remote seal installations (high-purity fluids).



Measurement：Differential Pressure (DP), Static Pressure (SP)Yokogawa Electric Corporation
Accuracy：±0.2% (DP); ±0.5% (SP)
Rangeability：M-Capsule: 40:1; H-Capsule: 20:1
DP Ranges：M: 2.5–100 kPa; H: 25–500 kPa
Response Time：200 ms (DP); 500 ms (SP)
Output:4–20mA DC + Digital (HART/BRAIN)
Material:SUS316L diaphragm, stainless steel housing
Temperature:-40°C to 85°C (process/media dependent)
Certifications:SIL2/SIL3, CE, ATEX, IECEx

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Products Recommended

Pressure Transmitters for Industrial Pressure Measurement

Xinyi Instrument supplies pressure transmitters for process control, hydraulic systems, petrochemical plants, water treatment, HVAC, power generation and general industrial pressure monitoring. Our pressure transmitter range covers gauge pressure, absolute pressure, differential pressure, high temperature media and digital communication applications.

Choose from compact pressure transmitters, smart 3051 differential pressure transmitters, diaphragm seal models, RS485 digital pressure transmitters and high frequency dynamic pressure sensors. Standard outputs include 4-20 mA, voltage output, HART and RS485 Modbus options, with stainless steel wetted parts and custom process connections available on request.

Pressure Transmitter Parameters

Pressure Types Gauge, absolute, negative pressure, differential pressure
Measuring Range From low differential pressure to high pressure ranges up to 100 MPa, depending on model
Output Signals 4-20 mA, 0-5 V, 1-5 V, 0-10 V, RS485 Modbus, HART options
Accuracy Typical options include 0.1%, 0.2%, 0.25% and 0.5% FS
Process Connection M20 x 1.5, G1/4, G1/2, NPT and customized thread connections
Wetted Materials Stainless steel, 316L diaphragm and corrosion-resistant sealing options
Media Water, oil, gas, air, steam and compatible liquid or gas media
Applications Pipeline pressure, tank level, flow differential pressure, hydraulic pressure and automation systems

Recommended Pressure Transmitter Series

  • Xinyi YW-150 - differential pressure transmitter for stable industrial measurement.
  • Xinyi YW-3051DP - smart differential pressure transmitter for process control.
  • Xinyi YW-130 / YW-140 - compact pressure transmitters for general pressure monitoring.
  • RS485 Digital Pressure Transmitter - Modbus communication for remote monitoring systems.
  • High Temperature Pressure Transmitter - designed for hot media and demanding process conditions.
  • Siemens, Yokogawa and ABB Options - international brand transmitters available for project matching.

Pressure Transmitter FAQ

What is a pressure transmitter used for?

A pressure transmitter converts the pressure of liquid, gas or steam into a standard electrical signal for PLC, DCS, recorder or control instrument input. It is widely used for pipeline pressure, tank level, flow measurement and process safety monitoring.

How do I choose the right pressure transmitter?

Confirm the pressure range, pressure type, medium, temperature, output signal, accuracy, installation thread, electrical connection and environmental requirements. For corrosive media, high temperature or sanitary applications, diaphragm material and sealing structure are especially important.

What is the difference between gauge, absolute and differential pressure transmitters?

Gauge pressure transmitters measure pressure relative to atmospheric pressure. Absolute pressure transmitters measure pressure relative to vacuum. Differential pressure transmitters measure the pressure difference between two points and are commonly used for flow, filter and level measurement.

Can Xinyi Instrument provide customized pressure transmitters?

Yes. Xinyi Instrument can support customized pressure ranges, process connections, output signals, cable length, display options and model selection for different industrial applications.