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Original Endress+Hauser Deltabar PMD50 Differential Pressure Transmitter 4-20mA Industrial Pressure Sensor

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  • Original Endress+Hauser Deltabar PMD50 Differential Pressure Transmitter 4-20mA Industrial Pressure Sensor
  • Original Endress+Hauser Deltabar PMD50 Differential Pressure Transmitter 4-20mA Industrial Pressure Sensor
  • Original Endress+Hauser Deltabar PMD50 Differential Pressure Transmitter 4-20mA Industrial Pressure Sensor
  • Original Endress+Hauser Deltabar PMD50 Differential Pressure Transmitter 4-20mA Industrial Pressure Sensor

›

Original Endress+Hauser Deltabar PMD50 Differential Pressure Transmitter 4-20mA Industrial Pressure Sensor
The PMD50 is a high‑performance differential pressure transmitter manufactured by Endress+Hauser (E+H), designed for precise measurement of differential pressure, flow, liquid level, density and interface in industrial process systems.
It adopts robust metal diaphragm sensor technology, features high measurement accuracy, long‑term stability and excellent anti‑interference performance. With standard 4‑20mA signal output and digital communication functions, it is compatible with mainstream industrial control systems.
Certified with explosion‑proof and SIL safety standards, the PMD50 is widely used in chemical, oil & gas, water treatment, power, pharmaceutical and other industries, suitable for harsh working conditions with high temperature, high pressure and corrosive media.
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Product Description

Product Overview

The Endress+Hauser PMD50 Deltabar is a professional smart differential pressure transmitter tailored for complex and harsh industrial process conditions. Serving as a core precision measuring device in industrial automation systems, it is dedicated to accurate and stable measurement of differential pressure, liquid level, medium interface, density, and flow of liquid, gas and steam. Adopting high-precision welded metal diaphragm sensing technology and optimized digital signal processing algorithms, the PMD50 effectively overcomes measurement errors caused by high pressure, severe temperature fluctuations and corrosive media. It features outstanding long-term operational stability, avoiding frequent data drift, and has become a reliable measurement solution widely adopted in global process industries.

Core Technical Features

The PMD50 integrates mature industrial sensing and intelligent digital technology, delivering superior comprehensive measurement performance. It achieves ultra-high measurement accuracy with extremely low error and excellent long-term stability, requiring no frequent calibration and greatly lowering daily maintenance costs. Equipped with standard 4-20mA analog output and universal HART communication protocol, the transmitter supports remote parameter setting, real-time data monitoring, automatic fault diagnosis and on-site debugging. It is highly compatible with DCS, PLC and other mainstream industrial control systems, realizing seamless connection with automated production lines.
Built with an integrated rugged structure and high-strength industrial protective housing, the PMD50 features excellent dustproof, waterproof and anti-vibration capabilities to adapt to complex on-site environments. It has obtained authoritative explosion-proof and SIL safety certifications, enabling safe operation in flammable, explosive and high-risk industrial areas. The durable all-metal diaphragm sensor boasts strong corrosion resistance, perfectly adapting to various corrosive media including chemical reagents, oily sewage and acidic liquids, ensuring continuous and stable long-term operation.

Performance Advantages

Compared with conventional differential pressure transmitters, the E+H PMD50 has prominent performance advantages. It supports wide-range adjustable pressure measurement, covering low to high pressure working conditions with strong condition adaptability. The built-in intelligent temperature compensation system automatically corrects measurement deviations caused by ambient and medium temperature changes, ensuring consistent precision all year round. Additionally, it owns powerful anti-electromagnetic interference performance, resisting signal interference from on-site high-power equipment and complex electromagnetic environments to prevent data distortion and drift.
Adopting humanized modular design, the PMD50 is lightweight and compact with simple installation, convenient wiring and easy disassembly and replacement. It supports fast on-site debugging and remote intelligent management, significantly improving industrial operation and maintenance efficiency. With low failure rate, excellent durability and long service life, it effectively reduces equipment replacement frequency and production downtime losses, helping enterprises save operational costs.

Industrial Application Scenarios

Widely applicable to diverse process industries including petroleum, natural gas, chemical engineering, power generation, water treatment, pharmaceutical, food processing and paper-making, the PMD50 covers multiple core measurement scenarios. It is mainly used for tank liquid level monitoring, pipeline differential pressure detection, gas and liquid flow calculation, medium density and interface measurement, as well as differential pressure monitoring of filters and pipeline systems. It stably delivers accurate measurement data in closed pipeline production, open tank storage and high-temperature high-pressure processes, guaranteeing safe, stable and efficient operation of industrial production systems.

Product Qualification & After-sales

All our supplied E+H PMD50 differential pressure transmitters are 100% original brand-new products, equipped with complete factory test reports, official qualification certificates and standard warranty services. We provide one-stop professional supporting services, including precise product selection guidance, parameter debugging, installation guidance and full-cycle after-sales technical support, meeting global customers’ bulk procurement and customized industrial measurement solution demands.

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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.