Name: Proline Promag P 300 / 5P3B
Brand: Endress+Hauser
Availability: InStock

Proline Promag P 300 electromagnetic flowmeter

High-temperature flowmeter for process applications with a compact, easily accessible transmitter

Picture of Electromagnetic flowmeter Proline Promag P 300 / 5P3B for process applications

Proline Promag P 300 for process applications

The Electromagnetic Flow Measuring Principle

The world's first electromagnetic flowmeter for unrestricted measurements

Heartbeat Technology simply explained (3'14")

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Proline Promag P 300 electromagnetic flowmeter

High-temperature flowmeter for process applications with a compact, easily accessible transmitter

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Benefits

Diverse applications – wide variety of wetted materials
Accurate measurement independent of disturbed flow profiles after obstacles in the pipe thanks to 0 x DN full-bore option
Energy-saving flow measurement – no pressure loss due to cross-section constriction
Maintenance-free – no moving parts
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

Services and resources

Product Support Product documentation, troubleshooting articles, device details and more.

FLEXible answers to individual needs

Current product

Proline Promag P 300 electromagnetic flowmeter

High-end products
Highly functional and convenient

What is FLEX?

FLEX selections

Technical excellence

Simplicity

Fundamental selection Meet your basic measurement needs

Lean selection Handle your core processes easily

Extended selection Optimize your processes with innovative technologies

Xpert selection Master your most challenging applications

Variable

Learn more about the FLEX selections

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.

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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.

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.

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Technology

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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Have questions about this product?

Selection of compatible products

Advanced Data Manager Memograph M, RSG45

Memograph M RSG45 data manager

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RMA42 process transmitter with control unit

4-wire process transmitter with control unit as DIN rail device with up to two universal sensor inputs and optional SIL approval

HAW569 surge protective device

Surge protective device for installation in the field device for power supply and communication signals optional with SIL and Ex approval

Spare parts and accessories

Electronic

ISEM electronic module, Promag 300/500

Electronic

Order code XPD0027-

Drawing number 33

I/O module

I/O module, slot 1, 300/500

I/O module

Order code XPD0037-

Drawing number 34

I/O module

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

I/O module

Order code XPD0038-

Drawing number 35

Display

Display module, 300/500/DKX001

Display

Order code XPD0031-

Drawing number 50

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Success story

Boost chlorine reliability with electromagnetic flowmeters

Olin Corporation uses Proline Promag P 300 for its electrolysis process and benefits from accurate readings in harsh conditions thanks to the option “Floating measurement”.

Read the full story

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Success story

Reliable measurement in electrolysis applications

Westlake Vinnolit uses chlor-alkali electrolysis to produce chlorine, caustic soda and hydrogen, relying on Promag Proline P 300/500 as an accurate flowmeter that is immune to electrical interference.

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Raw pump station upgrade with the Promag W 0 x DN

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Success story

Build-up monitoring

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Choose from our suggested options

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Configuration details

Proline Promag P 300

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CAD Drawings

Configuration support

Spare parts and accessories

Electronic

ISEM electronic module, Promag 300/500

Electronic

Order code XPD0027-

Drawing number 33

I/O module

I/O module, slot 1, 300/500

I/O module

Order code XPD0037-

Drawing number 34

I/O module

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

I/O module

Order code XPD0038-

Drawing number 35

Display

Display module, 300/500/DKX001

Display

Order code XPD0031-

Drawing number 50

Spare parts & accessories

Selection of compatible products

Memograph M RSG45 data manager

Advanced data and energy manager with up to 20 analog/HART® inputs and 14 digital inputs

EngyCal RH33 BTU meter

Calibratable BTU meter for one measuring point with one pulse/analog input for flow and two RTD/analog inputs for temperature/pressure

RMA42 process transmitter with control unit

4-wire process transmitter with control unit as DIN rail device with up to two universal sensor inputs and optional SIL approval

HAW569 surge protective device

Surge protective device for installation in the field device for power supply and communication signals optional with SIL and Ex approval

Max. measurement error	Volume flow (standard): ±0.5 % o.r.± 1 mm/s (0.04 in/s) Volume flow (option): ±0.2 % o.r. ± 2 mm/s (0.08 in/s), Flat Spec
Measuring range	4 dm³/min to 9600 m³/h (1 gal/min to 44 000 gal/min)
Medium temperature range	Liner material PFA: –20 to +150 °C (–4 to +302 °F) Liner material PFA high-temperature: –20 to +180 °C (–4 to +356 °F) Liner material PTFE: –40 to +130 °C (–40 to +266 °F)
Max. process pressure	PN 40, Class 300, 20K
Wetted materials	Liner: PFA; PTFE Electrodes: 1.4435 (F316L); Alloy C22, 2.4602 (UNS N06022); Tantalum; Platinum; Titanium
Measuring principle	Electromagnetic
Product headline	High-temperature flowmeter for process applications with a compact, easily accessible transmitter. Dedicated to chemical and process applications with corrosive liquids and high medium temperatures.
Sensor features	Diverse applications – wide variety of wetted materials. Energy‐saving flow measurement – no pressure loss due to cross section constriction. Maintenance‐free – no moving parts. Nominal diameter: max. DN 600 (24"). All common Ex approvals.
Transmitter features	Full access to process and diagnostic information – numerous, freely combinable I/Os and fieldbuses. Reduced complexity and variety – freely configurable I/O functionality. Integrated verification – Heartbeat Technology. Liner made of PTFE or PFA. Compact dual-compartment housing with up to 3 I/Os. Backlit display with touch control and WLAN access. Remote display available.
Nominal diameter range	DN 15 to 600 (½ to 24")
Measured variables	Volume flow, conductivity, mass flow
Ambient temperature range	Flange material carbon steel: –10 to +60 °C (+14 to +140 °F) Flange material stainless steel: –40 to +60 °C (–40 to +140 °F)
Sensor housing material	DN 15 to 300 (½ to 12""): AlSi10Mg, coated DN 350 to 600 (14 to 24""): Carbon steel with protective varnish
Transmitter housing material	AlSi10Mg, coated; 1.4409 (CF3M) similar to 316L; stainless steel for hygenic transmitter design
Degree of protection	Standard: IP66/67, Type 4X enclosure
Display/Operation	4-line backlit display with touch control (operation from outside) Configuration via local display and operating tools possible Remote display available
Outputs	3 outputs: 4-20 mA HART (active/passive) 4-20 mA WirelessHART 4-20 mA (active/passive) Pulse/frequency/switch output (active/passive) Double pulse output (active/passive) Relay output
Inputs	Status input 4-20 mA input
Digital communication	HART, PROFIBUS DP, PROFIBUS PA, FOUNDATION Fieldbus, Modbus RS485, PROFINET, PROFINET over Ethernet-APL, Ethernet/IP, OPC-UA
Power supply	DC 24 V AC 100 to 230 V AC 100 to 230 V / DC 24 V (non-hazardous area)
Hazardous area approvals	ATEX, IECEx, cCSAus, INMETRO, NEPSI, EAC; JPN, UK Ex, KC
Product safety	CE, C-tick, EAC marking
Functional safety	Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511
Metrological approvals and certificates	Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025) Heartbeat Technology complies with the requirements for measurement traceability according to ISO 9001:2015 – Section 7.1.5.2 a (TÜV SÜD attestation)
Marine approvals and certificates	LR approval, DNV approval, ABS approval, BV approval
Pressure approvals and certificates	PED, CRN
Material certificates	3.1 material
Hygienic approvals and certificates	ACS, NSF 61, WRAS

Proline Promag P 300 electromagnetic flowmeter

Proline Promag P 300 electromagnetic flowmeter

Proline Promag P 300 electromagnetic flowmeter

Product information

Selection of compatible products

Spare parts and accessories

Related content

Scaling Direct Air Capture for a net-zero future

Boost chlorine reliability with electromagnetic flowmeters

Reliable measurement in electrolysis applications

Raw pump station upgrade with the Promag W 0 x DN

Build-up monitoring

Choose from our suggested options

Spare parts and accessories

Selection of compatible products

My Endress+Hauser

Products & Services

Industries

Support

Company

Proline Promag P 300 electromagnetic flowmeter

Proline Promag P 300 electromagnetic flowmeter

Proline Promag P 300 electromagnetic flowmeter

Product information

Selection of compatible products

Spare parts and accessories

Related content

Scaling Direct Air Capture for a net-zero future

Boost chlorine reliability with electromagnetic flowmeters

Reliable measurement in electrolysis applications

Raw pump station upgrade with the Promag W 0 x DN

Build-up monitoring

Choose from our suggested options

Spare parts and accessories

Selection of compatible products

Products & Services

Industries

Support

Company

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