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Product Description
Product Description
The EJX510A high-performance absolute pressure transmitter adopts single-crystal silicon resonant sensor technology and is suitable for measuring the pressure of liquids, gases or steam. The EJX510A converts the measured pressure into a 4~20mA DC current signal output, and features fast response, remote configuration, self-diagnosis and other functions.
Main Functions
Remote Management: Supports remote parameter configuration, monitoring and fault diagnosis via HART/BRAIN protocols.
Self-diagnosis: Multi-sensing technology can detect abnormalities such as pressure impulse pipe blockage and heat tracing faults, and provide early risk warning.
Local Configuration: Supports LPS local parameter setting, enabling on-site configuration without additional tools.
Alarm Output: High and low pressure alarm status output is optional, facilitating system integration and interlock control.
Core Advantages
Ultra-high Precision: Measurement accuracy up to ±0.04% span, ensuring the accuracy of critical process data.
Long-term Stability: Only ±0.2% stability deviation over 15 years, significantly reducing calibration and maintenance costs.
Fast Response: With a response time of 90ms, it can capture dynamic pressure changes in real time.
Safety and Reliability: Certified by Exida and TUV SIL 2/3, suitable for Safety Instrumented Systems.
Excellent overpressure resistance: Maximum withstand pressure reaches up to 10,800 psig (approximately 74.5 MPa) with outstanding shock resistance.
Typical Applications
Petrochemical Industry: Absolute pressure monitoring and control for distillation towers, reaction kettles and storage tanks.
Electric Power & Energy: Pressure measurement for boilers, steam turbines, and vacuum systems.
Pharmaceuticals and Food: Pressure monitoring of sterile tanks, fermenters, and vacuum packaging equipment.
Semiconductor Industry: High-precision pressure measurement for vacuum chambers and gas delivery systems.


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