
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 Medium
Natural gas, air, C2H4, steam, process gases (e. g. CO2 up to 100%, N2, O2, Cl2 etc.), gases like sour gas or bio gas with high H2S content
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Nominal pipe size
2" ... 24"
(DN 50 ... DN 600)
Field of application
The FLOWSIC600 is an ultrasonic flowmeter that sets the standard in its market segment. The design shows that it is geared towards the harsh conditions of the industry. Thanks to its compact design with integrated cable routing, the measuring system is durable, fail-safe, low-maintenance, and exhibits long-term stability. The FLOWSIC600 has extensive diagnostic options that allow faults to be detected before the measurement is affected and offers process monitoring based on the speed of sound.
Process gases flow metering
Industry gas metering CO2, H2, Air, N2, O2, NH3, Ethylene, Helium, Argon
Internal allocation measurement
For gases with high H2S component such as sour gas or biogas
Device properties:
Highly efficient ultrasonic transducer - up to gas temperatures of +105 °C and pressures up to 250 bar
Direct path layout
Intelligent self-diagnostics
Compact, robust design
Integrated log book and data logger
Large measuring range 1:120
Bidirectional measurement
Low power consumption: <1 W
Benefits
Long-term stability, reliable measurement
Low maintenance due to intelligent self-diagnostics
Virtually immune to pressure regulator noise
Ultrasonic transducers can be exchanged under operating pressure
Wide application range
Xpert selection
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable

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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 |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
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Measuring principle
Ultrasonic transit time difference measurement
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Measured variables
Volumetric flow, a. c., volume a. c., gas velocity, sound velocity
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Measuring Medium
Natural gas, air, C2H4, steam, process gases (e. g. CO2 up to 100%, N2, O2, Cl2 etc.), gases like sour gas or bio gas with high H2S content
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Repeatability
< 0.1 % of the measured value
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Accuracy
2-path version ≤ ± 1 %
4-path version ≤ ± 0.5 %
Typical accuracy, see application specific data for detailed information -
Medium temperature range
ATEX:
–40 °C ... +105 °C at T1, T2, T3;
–40 °C ... +91 °C at T4
Other Ex certifications: –40 °C ... +180 °C -
Operating pressure range
0 bar (g) ... 250 bar (g)
On request: Up to 450 bar (g) -
Nominal pipe size
2" ... 24"
(DN 50 ... DN 600) -
Metrological approvals and certificates
ISO 17089-2
MTBF: 15.4 years -
Hazardous area approvals
IECEx:
Gb/Ga Ex db eb ib [ia Ga] IIA T4
Gb/Ga Ex db eb ib [ia Ga] IIC T4
Ultrasonic transducers intrinsically safe
ATEX:
II 1/2 (1) G Ex ia/db eb ia [ia Ga] IIA/IIB/IIC T4...T1 Ga/Gb
III 1/2 (1) G Ex ia/db eb ia [ia Ga] IIC T6 Ga/Gb
Ultrasonic transducers intrinsically safe
NEC/CEC (US/CA):
Class I, Division 1, Groups B, C, D T4
Class I, Division 2, Groups A, B, C, D T4
Class I, Division 1, Group D T4
Class I, Division 2, Group D T4
Ultrasonic transducers intrinsically safe -
Digital Outputs
3 outputs:
30 V, 10 mA
Passive, electrically isolated, Open Collector or according to NAMUR (EN 50227), fmax = 6 kHz
(scalable) -
Digital communication
Modbus ASCII
Modbus RTU
HART
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Competence Brochure (CP)
FLOWSIC – flow meters and instruments
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Competence Brochure (CP)
English version - 12/2024Precise quantity measurement for accurate billing and process control
Language:
English
Version:
18/12/2024
File size:
3.1 MB
File name:
8030079_CP_Flow_meters_en_V1-0_2025.01_EHS.pdf
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Innovation (IN)
FLOWSIC600 – reliable flowmeter for process applications
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Innovation (IN)
English version - 01/2025The FLOWSIC600 measurement device is an ultrasonic gas flowmeter and sets the standard in its market segment.
Language:
English
Version:
01/01/2025
File size:
3.3 MB
File name:
8029730_IN_FLOWSIC600_en_V5-0_2025.01_EHS.pdf
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Application software
FLOWgate
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Application software
Version - 1.30.0Software for configuration and parameterization of FLOWSIC ultrasonic flowmeter
Language:
Language neutral
Version:
11/11/2024
File size:
430 MB
File name:
FLOWgate
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