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FLOWSIC300 ultrasonic flow measurement instrument
New

Non-custody transfer measurement and process monitoring

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FLOWSIC300 ultrasonic flow measurement instrument
New

Non-custody transfer measurement and process monitoring

Benefits

  • Simple installation into existing pipelines
  • Efficient solution, especially for pipe diameters over 12 inches, thanks to installation onto existing pipelines and without need for a meter body
  • Reduced acquisition costs – the sensor extraction tool can be used for multiple devices
  • Low maintenance, wear and no deterioration
  • Low operating costs thanks to automated diagnostics and condition-based maintenance
  • Suitable for installation in underground compartments via remote electronics and sensors with enclosure rating IP 68
  • Quick and easy commissioning through FLOWgate™
FLEXible answers to individual needs
Current product

FLOWSIC300 ultrasonic flow measurement instrument

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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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Product information

Specifications
Measuring / Application task Gas
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Description

The FLOWSIC300 ultrasonic flowmeter features a unique combination of high quality components, large measuring range, simple installation, and low installation costs. It can be used anywhere where custody approval is not required: For internal measurements in the natural gas grid and with process measurements in the petrochemical industry. FLOWSIC300 incorporates proven technology and components of the rugged custody transfer quality gas flowmeters for custody transfer.

Field of application
  • Gas flow measurement in non custody transfer applications
  • Control measurements in the field of natural gas transfer and storage
  • Internal measurements for balancing purposes


Device properties:

  • Modular flexible installation
  • Non-contact ultrasonic technology without pressure loss
  • Measuring range span greater than 100 : 1
  • Sensors can be replaced under pressure
  • Low sensitivity to pulsation and pressure regulator noise
  • Remote electronics (max. 15 m)
  • Bi-directional measurement with automated diagnostics
Benefits
  • Simple installation into existing pipelines
  • Efficient solution, especially for pipe diameters over 12 inches, thanks to installation onto existing pipelines and without need for a meter body
  • Reduced acquisition costs – the sensor extraction tool can be used for multiple devices
  • Low maintenance, wear and no deterioration
  • Low operating costs thanks to automated diagnostics and condition-based maintenance
  • Suitable for installation in underground compartments via remote electronics and sensors with enclosure rating IP 68
  • Quick and easy commissioning through FLOWgate™
Downloads
Most downloaded
Operating Instruction (BA)
FLOWgate™ – Software Manual The FLOWgate™ software provides a user-friendly access to
measurement data, configuration, and diagnostic of the flow meter.
The software supports i-diagnostics™ features for FLOWSIC gas meters.
English version - 03/2025
Download
Operating Instruction (BA)
FLOWSIC300 Ultrasonic Gas Flow Meter
English version - 12/2025
Download
Short Instruction (KA)
FLOWgate™ – Quickstart Installation of FLOWgate™
English version - 03/2025
Download
All downloads
9 Downloads
Operating Instruction (BA)
FLOWgate™ – Software Manual The FLOWgate™ software provides a user-friendly access to
measurement data, configuration, and diagnostic of the flow meter.
The software supports i-diagnostics™ features for FLOWSIC gas meters.
English version - 03/2025
Download
Operating Instruction (BA)
FLOWSIC300 Ultrasonic Gas Flow Meter
English version - 12/2025
Download
Short Instruction (KA)
FLOWgate™ – Quickstart Installation of FLOWgate™
English version - 03/2025
Download
Industry Solution (SO)
Solutions for the oil and gas industry Endress+Hauser offers the best solutions through a huge range of
products and systems to measure and perform even under the
most rigorous operating conditions.
English version - 01/2025
Download
Competence Brochure (CP)
FLOWSIC流量メータと流量測定機器 精密な計量— 正確な請求とプロセス制御のために
Japanese version - 09/2025
Download
Competence Brochure (CP)
FLOWSIC Flow Meters and Instruments Precise quantity measurement – for accurate billing and process control
English version - 05/2026
Download
Competence Brochure (CP)
MISURATORI E STRUMENTI PER LA PORTATA FLOWSIC MISURATORI E STRUMENTI PER
LA PORTATA FLOWSIC
Misura precisa delle quantità –
fatturazione precisa e controllo di
processo
Italian version - 05/2025
Download
Innovation (IN)
FLOWSIC300 – Non-custody transfer measurement and process monitoring Providing cost-effectiveness and quality
English version - 02/2026
Download
Application software
FLOWgate™ Software for configuration and parameterization of Endress+Hauser SICK FLOWSIC gas meters. FLOWgate™ supports i-diagnostics™ for FLOWSIC gas meters.
Version - V1.32.3

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Spare parts and accessories

further parts
further parts

ELEKTRONIC BLOCK IIC/BCD 0L7 SP

further parts
further parts
Order code 2046540
further parts
further parts

ELEKTRONIC BLOCK IIC/BCD H 0L7 SP

further parts
further parts
Order code 2046542
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further parts

SEALING SET CHANGE PROBE SP

further parts
further parts
Order code 2066174
further parts
further parts

FRONT PANEL LCD SICK FL300 INST. TESTED

further parts
further parts
Order code 2066184
Spare parts and accessories