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Deltabar PMD50 - differential pressure transmitter

Transmitter with metal membrane for measuring differential pressure, level and flow in liquids and gases

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Deltabar PMD50 - differential pressure transmitter

Transmitter with metal membrane for measuring differential pressure, level and flow in liquids and gases

Get a quote

Benefits

  • Software wizard enables fast and easy commissioning
  • Devices developed in accordance with IEC 61508
  • Flexible write protection via hardware and/or software wizard
  • Pre-assembled manifolds (pressure and leakage-tested) for faster installation
FLEXible answers to individual needs
Current product

Deltabar PMD50 - differential pressure transmitter

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  • Standard products
  • Reliable, robust and low-maintenance

What is FLEX?

FLEX selections
Technical excellence
Simplicity
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Fundamental selection Meet your basic measurement needs
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Lean selection Handle your core processes easily
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Extended selection Optimize your processes with innovative technologies
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Xpert selection Master your most challenging applications
Variable
Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

Learn more

Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

Learn more

24/7 customer portal

Personalized transaction space

Check prices and delivery times, save your favorite products, create quotes and place orders in just a few clicks and track deliveries at any time. With access to your complete order and quote history including all relevant documents you benefit from full transparency throughout the entire process.

Easy access to technical documentation

Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

My Endress+Hauser – all in one place

My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

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Product information

Deltabar PMD50 - product picture
Pressure-Deltabar-PMD50
Specifications
Pressure
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Description

The Deltabar PMD50 is a differential pressure transmitter with metal membrane for measurement of liquids and gases. It is optimized for standard applications and offers intuitive operating functions.

Field of application
  • Pressure measuring range: up to 40 bar (600 psi)
  • Process temperatures up to 400°C (752°F) with diaphragm seal
  • Accuracy: up to +/-0.055%
Benefits
  • Software wizard enables fast and easy commissioning
  • Devices developed in accordance with IEC 61508
  • Flexible write protection via hardware and/or software wizard
  • Pre-assembled manifolds (pressure and leakage-tested) for faster installation
Downloads
Most downloaded
Technical Information (TI)
TI Deltabar PMD50 Differential pressure, level and flow measurement in liquids or gases
HART
English version - 02/2026
Download
Operating Instruction (BA)
BA Deltabar PMD50 Differential pressure measurement
HART
English version - 02/2026
Download
Device Parameter (GP)
GP Deltabar PMD50 Differential pressure measurement
HART
English version - 03/2024
Download
The CAD Drawings will be available after the configuration.
All downloads
113 Downloads
Technical Information (TI)
Most downloaded
TI Deltabar PMD50 Differential pressure, level and flow measurement in liquids or gases
HART
English version - 02/2026
Download
Operating Instruction (BA)
Most downloaded
BA Deltabar PMD50 Differential pressure measurement
HART
English version - 02/2026
Download
Device Parameter (GP)
GP Deltabar PMD50 Differential pressure measurement
HART
English version - 03/2024
Download
Short Instruction (KA)
KA Deltabar PMD50 Differential pressure measurement
HART
English version - 02/2026
Download
Installation Instructions (EA)
EA Cover, cover seal Cerabar, Deltabar
English version - 06/2024
Download
Installation Instructions (EA)
EA Main electronics Digital communication Cerabar, Deltabar
English version - 06/2024
Download
Installation Instructions (EA)
EA Ground terminal Gammapilot, Micropilot, Liquiphant
Cerabar, Deltabar, Prowirl L
English version - 03/2025
Download
Installation Instructions (EA)
EA Flanges, seals, mounting kit Deltabar
English version - 06/2024
Download
Installation Instructions (EA)
EA Terminal module Cerabar, Deltabar
English version - 02/2026
Download
Installation Instructions (EA)
EA Dummy plug M20×1.5 G½, NPT ½, NPT ¾ Gammapilot, Liquiphant, Micropilot, Prothermo
Cerabar, Deltabar
English version - 09/2025
Download
Installation Instructions (EA)
EA Lock screw NPT¼ 316L, alloy Cerabar, Deltabar
English version - 07/2025
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 Ex ta IIIC T<sub>200</sub> 100 °C Da
Ex tb IIIC T100 °C Db
English version - 10/2025
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 Ex ta IIIC T<sub>200</sub> 100 °C Da
Ex tb IIIC T100 °C Db
English version - 11/2024
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 0Ex ia IIC T4...T1 Ga X
0/1Ex ia IIC T4...T1 Ga/Gb X
1Ex ia IIC T4...T1 Gb X
English version - 11/2024
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 Ex ta IIIC T<sub>200</sub> 100 °C Da X
Ex tb IIIC T100 °C Db X
Russian version - 11/2024
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 0/1Ex ia IIC T4...T1 Ga/Gb X
1Ex db IIC T6...T1 Gb X
Ex ta IIIC T<sub>200</sub> 100 °C Da X
Ex tb IIIC T100 °C Db X
English version - 11/2024
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 Ex ia IIIC T135 °C Da/Db
Ex ia IIIC T135 °C Db
English version - 02/2025
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 Ex ia IIC T4...T1 Ga/Gb
Ex db IIC T6...T1 Gb
Ex ta IIIC T<sub>200</sub> 100 °C Da
Ex tb IIIC T100 °C Db
English version - 02/2025
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 II 2 G Ex db IIC T6...T1 Gb
English version - 03/2025
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 ATEX, IECEx:
Ex ia IIC T4 Ga/Gb
Ex ia IIIC T135 °C Da/Db
English version - 09/2024
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 ATEX, IECEx:
Ex db IIC T6 Gb
English version - 09/2024
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 Ex ia IIC T4...T1 Ga/Gb
Ex db IIC T6...T1 Gb
Ex ta IIIC T<sub>200</sub> 100 °C Da
Ex tb IIIC T100 °C Db
English version - 10/2025
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 Ex ia IIC T4...T1 Ga/Gb
Ex ia IIIC T135 °C Da/Db
English version - 02/2025
Download
Ex Safety Instruction (XA)
XA Deltabar PMD50 Ex ia IIC T4...T1 Ga
Ex ia IIC T4...T1 Ga/Gb
Ex ia IIC T4...T1 Gb
English version - 02/2025
Download

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Spare parts and accessories

further parts
further parts

Blind plug, M20, 316L, o-ring EPDM

further parts
further parts
Order code 71487198
Drawing number 14
further parts
further parts

Blind plug M20, Alu, Ex d

further parts
further parts
Order code 71679714
Drawing number 14
further parts
further parts

Blind plug, M20, Alu, o-ring EPDM

further parts
further parts
Order code 71487199
Drawing number 14
further parts
further parts

Blind plug M20, 316L, Ex d

further parts
further parts
Order code 71679712
Drawing number 14
Spare parts & accessories
Deltabar PMD50 - product picture
Pressure-Deltabar-PMD50

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Configuration details
Deltabar PMD50 - product picture
Pressure-Deltabar-PMD50
Section ID Selected option

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<%label%>

CAD Drawings
Configuration support

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Our experts can help, whatever stage your configuration is at.

Add your product to the cart and request a quote. Whether it is un-configured, partially configured, or fully configured, our experts will contact you to complete the configuration and provide your quote.

Have questions before you start?

Contact us

Spare parts and accessories

further parts
further parts

Blind plug, M20, 316L, o-ring EPDM

further parts
further parts
Order code 71487198
Drawing number 14
further parts
further parts

Blind plug M20, Alu, Ex d

further parts
further parts
Order code 71679714
Drawing number 14
further parts
further parts

Blind plug, M20, Alu, o-ring EPDM

further parts
further parts
Order code 71487199
Drawing number 14
further parts
further parts

Blind plug M20, 316L, Ex d

further parts
further parts
Order code 71679712
Drawing number 14
Spare parts & accessories