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Specs at a glance
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Max. measurement error
Volume flow:
±3% o.r. for DN15
±2% o.r. for DN25 to 200
±2% o.r. above DN200 -
Measuring range
0 to 15 m/s (0 to 50 ft/s)
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Medium temperature range
–40 to +130 °C (–40 to +266 °F)
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Max. process pressure
N/A
Field of application
Prosonic Flow W 400 is the ultrasonic clamp-on flowmeter of choice for safe, cost-effective and maintenance-free measurement of conductive and non-conductive liquids. It measures flow noninvasively and bidirectionally, independent of pressure, density and conductivity, and without process interruption.
FlowDC makes mounting as flexible as never before. The specified accuracy is maintained at an inlet run of only 2 x DN, even in the case of disturbed flow profiles.
Special coupling pads make this ultrasonic clamp-on system maintenance-free during the entire product life cycle.
Heartbeat Technology provides continuous process transparency with its diagnostic, verification and monitoring functions. This way, build-up can be detected before it affects operation.
Benefits
Flexible mounting – FlowDC reduces inlet runs to a minimum
Reliable measurement performance – proven sensors in combination with maintenance-free mounting system deliver long-term stable signals
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Low capital investment – cost-effectiveness increases with the pipe diameter (up to DN 4000/160")
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User-friendly operation – the web server offers full remote access, while the device’s display offers convenient on-site interaction
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Transparent process insights – Heartbeat Technology with its integrated diagnostics, verification and monitoring functions enable compliance and process safety at all times
Videos
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity
![FLEX: Extended FLEX: Extended](/__image/a/9247232/k/39217366b16bac2230ce4c49a4e705e44f102e8c/ar/4-3/w/496/t/jpg/b/ffffff/fn/eh_2020-11_FLEX_segmentation_Visual_E_1250x300px.jpg)
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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
|
Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
|
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
|
Simplicity
Variable |
Predecessor
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Technical Information (TI)
TI Proline Prosonic Flow W 400
English version - 05/2024
Ultrasonic time-of-flight flowmeter
EN 15/05/202411/01/2022Language:
English
Version:
15/05/2024
File size:
4.1 MB
File name:
TI01568DEN_0224-00.pdf
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Operating Instruction (BA)
BA Proline Prosonic Flow W 400
English version - 05/2024
Ultrasonic time-of-flight flowmeter HART
EN 15/05/202411/01/2022Language:
English
Version:
15/05/2024
File size:
6.5 MB
File name:
BA02086DEN_0224-00.pdf
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Technical Information (TI)
TI Proline Prosonic Flow W 400
Ultrasonic time-of-flight flowmeter
EN 15/05/202411/01/2022Language:
English
Version:
15/05/2024
File size:
4.1 MB
File name:
TI01568DEN_0224-00.pdf
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Operating Instruction (BA)
BA Proline Prosonic Flow W 400
Ultrasonic time-of-flight flowmeter
Modbus RS485EN 15/05/2024Language:
English
Version:
15/05/2024
File size:
5.6 MB
File name:
BA02302DEN_0124-00.pdf
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Operating Instruction (BA)
BA Proline Prosonic Flow W 400
Ultrasonic time-of-flight flowmeter
HARTEN 15/05/202411/01/2022Language:
English
Version:
15/05/2024
File size:
6.5 MB
File name:
BA02086DEN_0224-00.pdf
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Device Parameter (GP)
GP Proline Prosonic Flow W 400
Ultrasonic time-of-flight flowmeter
HARTEN 15/05/202411/01/2022Language:
English
Version:
15/05/2024
File size:
2.1 MB
File name:
GP01167DEN_0224-00.pdf
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Device Parameter (GP)
GP Proline Prosonic Flow W 400
Ultrasonic time-of-flight flowmeter
Modbus RS485EN 15/05/2024Language:
English
Version:
15/05/2024
File size:
2.3 MB
File name:
GP01207DEN_0124-00.pdf
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Short Instruction (KA)
KA Proline 400
Transmitter with ultrasonic time-of-flight sensor
HARTEN 15/05/202411/01/2022Language:
English
Version:
15/05/2024
File size:
2.7 MB
File name:
KA01510DEN_0224-00.pdf
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Short Instruction (KA)
KA Proline 400
Transmitter with ultrasonic time-of-flight sensor
Modbus RS485EN 15/05/2024Language:
English
Version:
15/05/2024
File size:
1.7 MB
File name:
KA01660DEN_0124-00.pdf
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Short Instruction (KA)
KA Proline Prosonic Flow W
Ultrasonic time-of-flight sensor
EN 15/05/202411/01/2022Language:
English
Version:
15/05/2024
File size:
1.2 MB
File name:
KA01512DEN_0224-00.pdf
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Installation Instructions (EA)
EA Replacing the Components for the Transmitter
Proline 400, 800 Index C, 500-digital
EN 01/01/202415/12/202101/11/202101/04/202101/06/2020Language:
English
Version:
01/01/2024
File size:
2 MB
File name:
EA01094DA2_1223-00.pdf
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Installation Instructions (EA)
EA Pipe mounting set
Proline 400, 500-digital
EN 01/01/202415/12/202131/07/202002/08/201901/02/2017Language:
English
Version:
01/01/2024
File size:
518.8 KB
File name:
EA01195DA2_0523-00.pdf
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