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Proline Promass E 300 Coriolis flowmeter

Mid-range Coriolis flowmeter with a compact, easily accessible transmitter

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Proline Promass E 300 Coriolis flowmeter

Mid-range Coriolis flowmeter with a compact, easily accessible transmitter

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Benefits

  • Cost-effective – multipurpose device; an alternative to conventional volumetric flowmeters
  • Fewer process measuring points – multivariable measurement (flow, density, temperature)
  • Space-saving installation – no in-/outlet run needs
  • Full access to process and diagnostic information – numerous, freely combinable I/Os and Ethernet
  • Reduced complexity and variety – freely configurable I/O functionality
  • Integrated verification – Heartbeat Technology

Integrated technologies

Heartbeat Technology
Ethernet-APL logo
FLEXible answers to individual needs
Current product

Proline Promass E 300 Coriolis flowmeter

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  • High-end products
  • Highly functional and convenient

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.

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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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Technology
Heartbeat Technology

Smart instrumentation through Heartbeat Technology

You want to increase plant performance and reduce costs? Our smart instrumentation portfolio with Heartbeat Technology offers in-depth device insight for more cost-efficiency and operational safety.

Technology
Ethernet-APL logo

Ethernet-APL portfolio

Ethernet is ready for the process industry: Ethernet-APL ensures a high cable length, an easy installation and explosion protection. This makes high-speed communication possible in the field.

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Office situation support
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Product information

Picture of Coriolis flowmeter Proline Promass E 300 / 8E3B
Proline Promass E 300
Specifications
Liquids
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Description

The robust Promass E has a long-standing reputation as a reliable solution accurately measuring liquids and gases in a wide range of standard applications in various industries. With its compact transmitter Promass E 300 offers high flexibility in terms of operation and system integration: access from one side, remote display, improved connectivity options. Heartbeat Technology enables measurement reliability and extension of recalibration cycles.

Field of application
  • Measuring principle operates independently of physical fluid properties such as viscosity or density
  • Accurate measurement of liquids and gases for a wide range of standard applications


Device properties

  • Compact dual-tube sensor
  • Medium temperature up to +150 °C (+302 °F)
  • Process pressure up to 100 bar (1450 psi)
  • Compact dual-compartment housing with up to 3 I/Os
  • Backlit display with touch control and WLAN access
  • Remote display available
Benefits
  • Cost-effective – multipurpose device; an alternative to conventional volumetric flowmeters
  • Fewer process measuring points – multivariable measurement (flow, density, temperature)
  • Space-saving installation – no in-/outlet run needs
  • Full access to process and diagnostic information – numerous, freely combinable I/Os and Ethernet
  • Reduced complexity and variety – freely configurable I/O functionality
  • Integrated verification – Heartbeat Technology
Predecessors
Downloads
Most downloaded
Technical Information (TI)
TI Proline Promass E 300 Coriolis flowmeter
English version - 06/2026
Download
Operating Instruction (BA)
BA Proline Promass E 300 Coriolis flowmeter
HART
English version - 12/2025
Download
Operating Instruction (BA)
BA Proline Promass E 300 Coriolis flowmeter
EtherNet/IP
English version - 12/2025
Download
The CAD Drawings will be available after the configuration.
All downloads
288 Downloads
Technical Information (TI)
Most downloaded
TI Proline Promass E 300 Coriolis flowmeter
English version - 06/2026
Download
Operating Instruction (BA)
Most downloaded
BA Proline Promass E 300 Coriolis flowmeter
HART
English version - 12/2025
Download
Operating Instruction (BA)
BA Proline Promass E 300 Coriolis flowmeter
EtherNet/IP
English version - 12/2025
Download
Operating Instruction (BA)
BA Proline Promass E 300 Coriolis flowmeter
PROFINET over Ethernet-APL
English version - 12/2025
Download
Operating Instruction (BA)
BA Proline Promass E 300 Coriolis flowmeter
PROFIBUS PA
English version - 12/2025
Download
Operating Instruction (BA)
BA Proline Promass E 300 Coriolis flowmeter
Modbus TCP
English version - 12/2025
Download
Operating Instruction (BA)
BA Proline Promass E 300 Coriolis flowmeter
PROFIBUS DP
English version - 12/2025
Download
Operating Instruction (BA)
BA Proline Promass E 300 Coriolis flowmeter
Modbus RS485
English version - 12/2025
Download
Operating Instruction (BA)
BA Proline Promass E 300 Coriolis flowmeter
FOUNDATION Fieldbus
English version - 12/2025
Download
Operating Instruction (BA)
BA Proline Promass E 300 Coriolis flowmeter
PROFINET
English version - 12/2025
Download
Device Parameter (GP)
Proline Promass 300 FOUNDATION Fieldbus Description of Device Parameters Coriolis flowmeter
English version - 08/2018
Download
Device Parameter (GP)
Proline Promass 300 PROFIBUS PA Description of Device Parameters Coriolis flowmeter
English version - 11/2018
Download
Device Parameter (GP)
GP Proline Promass 300 Coriolis flowmeter
Modbus TCP
English version - 11/2025
Download
Device Parameter (GP)
Proline Promass 300 EtherNet/IP Description of Device Parameters Coriolis flowmeter
English version - 08/2018
Download
Device Parameter (GP)
Proline Promass 300 PROFINET Description of Device Parameters Coriolis flowmeter
English version - 07/2019
Download
Device Parameter (GP)
Proline Promass 300 Coriolis flowmeter
Modbus RS485
English version - 08/2022
Download
Device Parameter (GP)
Proline Promass 300 PROFIBUS DP Description of Device Parameters Coriolis flowmeter
Proline Promass 300
PROFIBUS DP
English version - 06/2018
Download
Device Parameter (GP)
Proline Promass 300 Coriolis flowmeter
HART
English version - 08/2022
Download
Device Parameter (GP)
GP Proline Promass 300 Coriolis flowmeter
PROFINET with Ethernet-APL
English version - 01/2024
Download
Short Instruction (KA)
KA Flowmeter Proline 300 Transmitter with Coriolis sensor
Modbus TCP
English version - 11/2025
Download
Short Instruction (KA)
Proline 300 PROFIBUS PA Brief Operating Instructions Transmitter with Coriolis sensor
English version - 11/2018
Download
Short Instruction (KA)
Proline 300 PROFIBUS DP Brief Operating Instructions Transmitter with Coriolis sensor
English version - 06/2018
Download
Short Instruction (KA)
Flowmeter Proline 300 HART transmitter
with Coriolis sensor
English version - 08/2022
Download
Short Instruction (KA)
KA Flowmeter Proline Promass E Coriolis sensor
English version - 03/2026
Download

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Selection of compatible products

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Spare parts and accessories

Electronic
Electronic

ISEM electronic module, Promass 300/500

Electronic
Electronic
Order code XPD0028-
Drawing number 33
I/O module
I/O module

I/O module, slot 1, 300/500

I/O module
I/O module
Order code XPD0037-
Drawing number 34
I/O module
I/O module

I/O module, slot 2/3/4, 300/500

I/O module
I/O module
Order code XPD0038-
Drawing number 35
Display
Display

Display module, 300/500/DKX001

Display
Display
Order code XPD0031-
Drawing number 50
Spare parts & accessories

Related content

Picture of Coriolis flowmeter Proline Promass E 300 / 8E3B
Proline Promass E 300

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Picture of Coriolis flowmeter Proline Promass E 300 / 8E3B
Proline Promass E 300
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CAD Drawings
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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.

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Contact us

Spare parts and accessories

Electronic
Electronic

ISEM electronic module, Promass 300/500

Electronic
Electronic
Order code XPD0028-
Drawing number 33
I/O module
I/O module

I/O module, slot 1, 300/500

I/O module
I/O module
Order code XPD0037-
Drawing number 34
I/O module
I/O module

I/O module, slot 2/3/4, 300/500

I/O module
I/O module
Order code XPD0038-
Drawing number 35
Display
Display

Display module, 300/500/DKX001

Display
Display
Order code XPD0031-
Drawing number 50
Spare parts & accessories

Selection of compatible products

/