Title

Try searching by key words, order- or product code or serial number e.g. “CM442” or “Technical information”
Enter at least 2 characters to start the search.

Proline Promag 55S electromagnetic flowmeter

The flowmeter with outstanding abrasion resistance and integrated solids content diagnostics

Office situation support
Have questions about this product?

Proline Promag 55S electromagnetic flowmeter

The flowmeter with outstanding abrasion resistance and integrated solids content diagnostics

Get a quote

Benefits

  • Superb signal stability due to unique signal processing
  • Maximum safety – industry-optimized measuring electrodes and linings
  • Energy-saving flow measurement – no pressure loss due to cross-section constriction
  • Maintenance-free – no moving parts
  • Highest performance – with integrated solids measurement for demanding fluids
  • Highest safety – integrated electrode cleaning
  • Automatic recovery of data for servicing
FLEXible answers to individual needs
Current product

Proline Promag 55S electromagnetic flowmeter

F
L
E
X
  • Specialized products
  • Designed for demanding applications

What is FLEX?

FLEX selections
Technical excellence
Simplicity
F
L
E
X
Fundamental selection Meet your basic measurement needs
F
L
E
X
Lean selection Handle your core processes easily
F
L
E
X
Extended selection Optimize your processes with innovative technologies
F
L
E
X
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.

Register now / Log in

Save to list *Saved to list
Office situation support
Have questions about this product?

Product information

Picture of flowmeter Proline Promag 55S for applications with high solids content and high abrasion
Proline Promag 55S
Specifications
Measuring / Application task Liquids
No results found Try adjusting your search terms to see more results.
Description

Promag S is the specialist for inhomogeneous, abrasive and corrosive fluids. The robust sensor design, featuring industry-optimized liners, enables its use in most challenging surroundings and metering jobs such as sewage treatment, pulp and paper production or in the primaries and metals industry. Due to its high-performance transmitter, Promag 55S not only measures flow reliably, but also calculates solids content at low maintenance requirements.

Field of application
  • The bidirectional measuring principle is virtually independent of pressure, density, temperature and viscosity
  • Ideal for the most demanding applications with high solids content and high abrasion.

Device properties

  • Intensified coil system
  • Large range of liners
  • Solids content up to 80 % by weight
  • 4-line backlit display with touch control
  • Two switch outputs
  • HART, PROFIBUS PA/DP, FOUNDATION Fieldbus
Benefits
  • Superb signal stability due to unique signal processing
  • Maximum safety – industry-optimized measuring electrodes and linings
  • Energy-saving flow measurement – no pressure loss due to cross-section constriction
  • Maintenance-free – no moving parts
  • Highest performance – with integrated solids measurement for demanding fluids
  • Highest safety – integrated electrode cleaning
  • Automatic recovery of data for servicing
Predecessors
Promag 35S
Downloads
Most downloaded
Technical Information (TI)
Proline Promag 55S Technical Information Electromagnetic Flow Measuring
Flow rate measurement of liquids with solids content or inhomogeneous
liquids
English version - 05/2026
Download
Operating Instruction (BA)
Proline Promag 55 Description of the device functions (Options and inputs). Additional
documentation for Proline Promag 55 Operating Instructions
English version - 05/2026
Download
Operating Instruction (BA)
Proline Promag 55 PROFIBUS DP/PA Description of Device Functions Description of the device functions (Options and inputs). Additional
documentation for Proline Promag 55 PROFIBUS DP/PA Operating
Instructions.
English version - 05/2026
Download
The CAD Drawings will be available after the configuration.
All downloads
126 Downloads
Technical Information (TI)
Most downloaded
Proline Promag 55S Technical Information Electromagnetic Flow Measuring
Flow rate measurement of liquids with solids content or inhomogeneous
liquids
English version - 05/2026
Download
Operating Instruction (BA)
Proline Promag 55 PROFIBUS DP/PA Description of Device Functions Description of the device functions (Options and inputs). Additional
documentation for Proline Promag 55 PROFIBUS DP/PA Operating
Instructions.
English version - 05/2026
Download
Operating Instruction (BA)
Most downloaded
Proline Promag 55 Description of the device functions (Options and inputs). Additional
documentation for Proline Promag 55 Operating Instructions
English version - 05/2026
Download
Operating Instruction (BA)
Proline Promag 55 Electromagnetic Flow Measuring System for liquids with solids content or
inhomogeneous liquids. The description of the device
functions are in a separate documentation.
English version - 05/2026
Download
Operating Instruction (BA)
Proline Promag 55 FOUNDATION Fieldbus Description of Device Functions Description of the device functions (Options and inputs). Additional
documentation for Proline Promag 55 FOUNDATION Fieldbus Op
erating
Instructions.
English version - 05/2026
Download
Operating Instruction (BA)
Proline Promag 55 FOUNDATION Fieldbus Operating Instructions Electromagnetic Flow Measuring System for liquids with solids content or
inhomogeneous liquids. The description of the device fu
nctions are in a
separate documentation.
English version - 05/2026
Download
Operating Instruction (BA)
Proline Promag 55 PROFIBUS DP/PA Operating Instructions Electromagnetic Flow Measuring System for liquids with solids content or
inhomogeneous liquids. The description of the device functions
are in a separate documentation.
English version - 05/2026
Download
Short Instruction (KA)
Proline Promag 55 Brief Operating Instructions Electromagnetic Flow Measuring System
English version - 04/2021
Download
Installation Instructions (EA)
Installing extension pieces converting Promag 35S to Promag 55S Installation Instructions Promag 35S, 55S
English version - 12/2018
Download
Installation Instructions (EA)
Replacing Power supply and display Installation Instructions Promag 50, 51, 53, 55, Promass 40, 80, 83, 84, 8ME, Cubemass DCI 8CN,
CNGmass DCI 8DF, Prosonic Flow 90, 93, t-mass 65
English version - 11/2018
Download
Installation Instructions (EA)
EA Replacing cover and O-ring Proline 10, 23, 50, 51, 53, 55, 400, 800, 40, 80, 83, 84, 8ME, 8FF, 8FE
,8CM, 90, 91, 92, 93, 65, 72, 73
English version - 10/2024
Download
Installation Instructions (EA)
Conversion transmitter Promag 55 compact version to Promag 55 remote version Installation Instructions Promag 55S
English version - 11/2018
Download
Installation Instructions (EA)
Replacing T-DAT Installation Instructions Promag 23, 53, 55, Promass 83, 84, 8WF, 8ME, Cubemass DCI 8CN, CNGmass
DCI 8DF, Prosonic Flow 91, 93, t-mass 65
English version - 11/2018
Download
Installation Instructions (EA)
Replacing power supply for harsh environment (HE) Installation Instructions Promag 50, 53, 55, Promass 40, 80, 83, 84, CNGmass DCI, Cubemass DCI,
Prosonic Flow 93 P
English version - 11/2018
Download
Installation Instructions (EA)
Replacing S-DAT Installation Instructions Promag 23, 50, 51, 53, 55, Promass 40, 80, 83, 84, 8ME, 8WF, Cubemass
DCI 8CN, CNGmass DCI 8DF, t-mass 65
English version - 03/2018
Download
Installation Instructions (EA)
Conversion transmitter Promag 50, 53 remote version to Promag 55 remote version Installation Instructions Promag 50, 53, 55
English version - 12/2018
Download
Installation Instructions (EA)
Repair kit cover remote version Installation Instructions Promag 10, 50, 51, 53, 55, 400, 800, Promass 80, 83, 84, CNGmass DCI,
Cubemass DCI, Prosonic Flow 92 F, t-mass 65
English version - 10/2018
Download
Installation Instructions (EA)
Safety Instructions for Spare Parts Installation Instructions Flowmeter
English version - 03/2018
Download
Installation Instructions (EA)
Replacing transmitter parts Installation Instructions Promag 50, 51, 53, 55, Promass 40, 80, 83, 84, Prosonic Flow 90, 93,
t-mass 65, Cubemass 8CN, CNGmass 8DF
English version - 04/2019
Download
Installation Instructions (EA)
I/O-board, subprint, screening sheed Installation Instructions Promag 50, 51, 53, 55, Promass 40, 80, 83, 84, 8ME, Cubemass DCI 8CN,
CNGmass DCI 8DF, Prosonic Flow 90, 93, t-mass 65
English version - 05/2017
Download
Installation Instructions (EA)
EA Replacing amplifier board Proline 50, 51, 53, 55, 40, 80, 83, 84, 8CN, 8DF, 90, 93, 65
English version - 05/2026
Download
Installation Instructions (EA)
EA Replacing amplifier board for harsh environment (HE) Proline 50, 53, 55, 80, 83, 84, 8CN, 8DF
English version - 05/2026
Download
Installation Instructions (EA)
EA Adapter Cable FXA291 Proline 2
English version - 08/2026
Download
Installation Instructions (EA)
EA Installing ground disks Promag 10, 23, 50, 51, 53, 55, 100, 200, 300, 500, 800, 400 Index C
English version - 10/2025
Download

Back
Change version
Change version

Selection of compatible products

/

Spare parts and accessories

Power supply
Power supply

Kit power s.b. Pmag55 all voltage

Power supply
Power supply
Order code 71029347
Drawing number F
Power supply
Power supply

Kit p.s.b.55 all voltage HE

Power supply
Power supply
Order code 71039470
Drawing number F
Electronic
Electronic

Kit 10 fuses 250 VAC T 2A00

Electronic
Electronic
Order code 50094003
Drawing number 7
Electronic
Electronic

Kit meas. amplifier Pmag 55 WEA

Electronic
Electronic
Order code 71029343
Drawing number B
Spare parts & accessories
Picture of flowmeter Proline Promag 55S for applications with high solids content and high abrasion
Proline Promag 55S

Choose from our suggested options

Looking for more options?

Use the extended configuration to configure from all available options.

<%label%>* (required)
<%feature%>
-
-
<%feature%>

<%message%>

Looking for more options? Use extended configuration
OR
Size and configure based on application parameters Start sizing
Order code
Copy
-
-
Add to cart
More actions
Available once configuration is complete
Service not available
Only available on our desktop experience
Configuration details
Picture of flowmeter Proline Promag 55S for applications with high solids content and high abrasion
Proline Promag 55S
Section ID Selected option

<%feature%>

<%coding%>

<%label%>

CAD Drawings
Configuration support

Unsure about configuration details?

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

Power supply
Power supply

Kit power s.b. Pmag55 all voltage

Power supply
Power supply
Order code 71029347
Drawing number F
Power supply
Power supply

Kit p.s.b.55 all voltage HE

Power supply
Power supply
Order code 71039470
Drawing number F
Electronic
Electronic

Kit 10 fuses 250 VAC T 2A00

Electronic
Electronic
Order code 50094003
Drawing number 7
Electronic
Electronic

Kit meas. amplifier Pmag 55 WEA

Electronic
Electronic
Order code 71029343
Drawing number B
Spare parts & accessories

Selection of compatible products

/