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FLOWSIC550 ultrasonic flowmeter
New

High pressure gas flowmeter for natural gas distribution

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Have questions about this product?

FLOWSIC550 ultrasonic flowmeter
New

High pressure gas flowmeter for natural gas distribution

Benefits

  • Ultimate measurement certainty and safety of continuous gas supply
  • Simple installation, replacement of turbine gas meters
  • Reduction of installation costs due to integrated volume correction
  • Easy Commissioning and data reading via FLOWgateTM (PC and App)
  • Minimal operating costs due to being nearly maintenance-free
  • Reliable even when the gas flow fluctuates (on/off applications)
  • Self-sufficient operation possible
FLEXible answers to individual needs
Current product

FLOWSIC550 ultrasonic 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.

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

Specifications
Measuring / Application task Gas
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Description

State-of-the-art technology for maximum measurement accuracy: The FLOWSIC550 ultrasonic compact gas flowmeter ensures highly accurate billing of low volume flows in high-pressure networks – a perfect complement to the FLOWSIC500. It is overload-proof, accurate and is monitored by an intelligent diagnostics system. FLOWSIC550 can be easily integrated into existing measuring stations. When used in transfer and measuring stations, FLOWSIC550 ensures a continuous and blockage-free gas supply.

Field of application
  • Gas Measurement of low volume applications at high pressures
  • Custody transfer: gas distribution, storage, and transmission systems
  • Town border stations and city gate stations


Device properties:

  • Diagnostics and permanent operational self-monitoring
  • Durable and reliable without moving parts
  • Compact meter installations
  • Integrated volume correction
  • Battery or intrinsically safe power supply
  • Bluetooth Low Energy (BLE)
Benefits
  • Ultimate measurement certainty and safety of continuous gas supply
  • Simple installation, replacement of turbine gas meters
  • Reduction of installation costs due to integrated volume correction
  • Easy Commissioning and data reading via FLOWgateTM (PC and App)
  • Minimal operating costs due to being nearly maintenance-free
  • Reliable even when the gas flow fluctuates (on/off applications)
  • Self-sufficient operation possible
Downloads
Most downloaded
Operating Instruction (BA)
FLOWSIC550 Ultrasonic Gas Flow Meter
English version - 02/2025
Download
Innovation (IN)
FLOWSIC550 – Gas flow meters High pressure gas flow meter for natural gas distribution
English version - 02/2026
Download
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
All downloads
23 Downloads
Operating Instruction (BA)
Most downloaded
FLOWSIC550 Ultrasonic Gas Flow Meter
English version - 02/2025
Download
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
Short Instruction (KA)
CDUSB100 Connection device for commissioning and service
English version - 08/2025
Download
Short Instruction (KA)
FLOWgate™ – Quickstart Installation of FLOWgate™
English version - 03/2025
Download
Short Instruction (KA)
CDBT100 Connection device for commissioning and service
English version - 02/2025
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)
Most downloaded
FLOWSIC550 – Gas flow meters High pressure gas flow meter for natural gas distribution
English version - 02/2026
Download
Explosion Protection
Product family: FLOWSIC, FLOWSIC550, FLOWSIC610, FLOWSIC900 Product root: IFL550-, IFL610-, IFL900-
Region: Europe
Approval agency: CSA
Protection: Ex i
English version - 08/2025
Download
Explosion Protection
Product family: FLOWSIC, FLOWSIC550, FLOWSIC900 Product root: IFL550-, IFL900-
Region: International (IECEx)
Approval agency: CSA
Protection: Ex i
English version - 08/2025
Download
Explosion Protection
Product family: FLOWSIC, FLOWSIC550 Product root: IFL550-
Region: Canada/USA
Approval agency: CSA
Protection: Ex i
English version - 03/2026
Download
Explosion Protection
Product family: FLOWSIC, FLOWSIC550 Product root: IFL550-
Region: International (IECEx)
Approval agency: CSA
Protection: Ex i
English version - 03/2026
Download
Explosion Protection
Product family: FLOWSIC, FLOWSIC550 Product root: IFL550-
Region: India
Approval agency: PESO
Protection: Ex i
English version - 04/2026
Download
Explosion Protection
Product family: FLOWSIC, FLOWSIC550, FLOWSIC610, FLOWSIC900 Product root: IFL550-, IFL610-, IFL900-
Region: Europe
Approval agency: CSA
Protection: Ex i
English version - 09/2025
Download
Explosion Protection
Product family: FLOWSIC, FLOWSIC550 Product root: IFL550-
Region: Europe
Approval agency: CSA
Protection: Ex i
English version - 03/2026
Download
Explosion Protection
Product family: FLOWSIC, FLOWSIC550, FLOWSIC610, FLOWSIC900 Product root: IFL550-, IFL610-, IFL900-
Region: International (IECEx)
Approval agency: CSA
Protection: Ex i
English version - 09/2025
Download
Explosion Protection
Product family: FLOWSIC, FLOWSIC550, FLOWSIC610, FLOWSIC900 Product root: IFL550-, IFL610-, IFL900-
Region: Canada/USA
Approval agency: CSA
Protection: Ex i
English version - 09/2025
Download
Explosion Protection
Product family: FLOWSIC, FLOWSIC550, FLOWSIC610, FLOWSIC900 Product root: IFL550-, IFL610-, IFL900-
Region: Canada/USA
Approval agency: CSA
Protection: Ex i
English version - 09/2025
Download
Metrology
Product family: FLOWSIC, FLOWSIC550 Product root: IFL550-
Region: Europe
Approval agency: PTB
Approval number: DE-24-MI002-PTB001, Rev. 02
Metrology type: Metrology
English version - 04/2025
Download
Metrology
Product family: FLOWSIC, FLOWSIC550 Product root: IFL550-
Region: Europe
Approval agency: PTB
Approval number: DE-24-MI002-PTB002, Rev. 01
Metrology type: Metrology
English version - 04/2024
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
Verification DTM
IR-USB driver USB driver for infrared optical head HIE-04
Version - 2.12.36.4

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FAQ

Spare parts and accessories

further parts
further parts

SP-EDT96-7000-0000RGX.E.I2 MOUNT

further parts
further parts
Order code 2133356
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SP-EDT96-0103-0000RGX.E.I2 MOUNT

further parts
further parts
Order code 2133357
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EXTENSION HT L380 WW SP

further parts
further parts
Order code 2133363
further parts
further parts

FC FIX SP

further parts
further parts
Order code 2133365
Spare parts and accessories