HART Communication Protocol
HART is a communication protocol used in process automation that transmits a 4-20 mA analog signal and digital communication over the same pair of wires.
Specs at a glance
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Measured variables
Volumetric flow a. c., volume a. c., gas velocity, sound velocity
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Measuring range
Gas velocity 0.3 ... 60 m/s
Depending on the nominal size of the pipe
Field of application
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.
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™
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
| FLEX selections | Technical excellence | Simplicity |
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Fundamental selection Meet your basic measurement needs |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
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Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
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Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
Variable |
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Success stories
9 documents
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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.EN 01/03/2025Language:
English
Version:
01/03/2025
File size:
1.6 MB
File name:
8030458_AE00_OI_FLOWgate_en_V1-5_2025-03_EHS.pdf
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Operating Instruction (BA)
FLOWSIC300
Ultrasonic Gas Flow Meter
Language:
English
Version:
01/12/2025
File size:
11 MB
File name:
8029798_AE00_OI_FLOWSIC300_en_V2-2_2025-12_EHS.pdf
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Short Instruction (KA)
FLOWgate™ – Quickstart
Installation of FLOWgate™
Language:
English
Version:
01/03/2025
File size:
327.3 KB
File name:
8030460_AE00_KA_FLOWgate_Installation_en_V1-4_2025-03_EHS.pdf
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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.Language:
English
Version:
01/01/2025
File size:
3.3 MB
File name:
8030418_SO_Ol_and_Gas_en_V1-0_2025.01_EHS.pdf
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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
Language:
Japanese
Version:
27/09/2025
File size:
1.9 MB
File name:
CP01584DJA_0225_0226_Flowsic_flow_meters.pdf
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Competence Brochure (CP)
FLOWSIC Flow Meters and Instruments
Precise quantity measurement – for accurate billing and process control
Language:
English
Version:
01/05/2026
File size:
3.1 MB
File name:
8030079_CP_Flow_meters_en_V3-0_2026.05_EHS_WEB.pdf
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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
processoLanguage:
Italian
Version:
27/05/2025
File size:
6.1 MB
File name:
CP01584D16IT_02.25-00.pdf
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Innovation (IN)
FLOWSIC300 – Non-custody transfer measurement and process monitoring
Providing cost-effectiveness and quality
Language:
English
Version:
01/02/2026
File size:
2.6 MB
File name:
8029946_IN_FLOWSIC300_en_V4-1_2026.02_EHS_WEB.pdf
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Application software
FLOWgate™
Software for configuration and parameterization of Endress+Hauser SICK FLOWSIC gas meters. FLOWgate™ supports i-diagnostics™ for FLOWSIC gas meters.
Language:
Language neutral
Version:
24/06/2026
File size:
350 MB
File name:
FLOWgate™
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