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
0.3 to 10 m/s (1 to 33 ft/s)
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Medium temperature range
-20 to +80°C (-4 to +176 °F)
0 to +130°C (32 to +265 °F) option -
Max. process pressure
N/A
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Wetted materials
Clamp on system:
Sensor holder 1.4308/CF-8
Sensor housing 1.4301/304
Strapping bands 1.4301/304
Field of application
The Prosonic Flow W clamp-on sensor is specially designed for water and wastewater applications. Combined with the cost-effective Prosonic Flow 91 transmitter with push buttons, Prosonic Flow 91W is ideally suited for flow monitoring in the water industry.
The measuring principle is independent of pressure, density, temperature, conductivity and viscosity
Clamp-on flow measurement of process water, salt water, deminerialized water, drinking & wastewater.
Device properties:
Medium temperature: –20 to +80 °C (-4 to +176 °F)
Degree of protection IP68 (Type 6P enclosure) for pipes under water
Shock and vibration resistance according to IEC 68-2-6
Aluminium field transmitter housing
2-line display with push buttons
HART
Benefits
Low capital investment – cost-effectiveness increases with pipe diameter (up to DN 2000)
Long-term stable signal - maintenance-free permanent mounting from outside with coupling pads
Process transparency – diagnostic capability
Economical transmitter – designed for easy applications
Fast and reliable commissioning – Quick Setup menu for installation
Automatic recovery of data for servicing
Videos
Predecessor
Success stories
%20-%20CS01637X.jpg "Picture of the water reservoir Marbach (Germany)")
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
-
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 |
Most downloaded
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Technical Information (TI)
Proline Prosonic 91W Technical Information
English version - 12/2023
Ultrasonic Flow Measuring System Flowrate measurement for standard applications with drinking water and process water.
EN 06/12/202319/08/201101/02/2010Language:
English
Version:
06/12/2023
File size:
1.8 MB
File name:
TI00105DEN_1423.pdf
-
-
-
Operating Instruction (BA)
Prosonic Flow 91 Operating Instructions
English version - 12/2023
Ultrasonic Flow Measuring System Flow rate measuring for standard applications with drinking water, wastewater and process water (incl. Description of Device Functions)
EN 06/12/202319/08/201101/02/201001/04/2006Language:
English
Version:
06/12/2023
File size:
5.4 MB
File name:
BA00100DEN_1423.pdf
-
48 documents
-
-
Technical Information (TI)
Proline Prosonic 91W Technical Information
Ultrasonic Flow Measuring System
Flowrate measurement for standard applications with
drinking water and process water.EN 06/12/202319/08/201101/02/2010Language:
English
Version:
06/12/2023
File size:
1.8 MB
File name:
TI00105DEN_1423.pdf
-
-
-
Technical Information (TI)
Prosonic Flow 90U, 90W, 91W, 93C, 93U, 93W Technical Information (SI units)
Ultrasonic Flow Measuring System
Volume Flow Measurement for Standard Applications with Water, Wastewater
and Process WaterEN 01/04/200601/05/200515/10/200301/12/2002Language:
English
Version:
01/04/2006
File size:
1.4 MB
File name:
TI057DEN.pdf
-
-
-
Operating Instruction (BA)
Prosonic Flow 91 Operating Instructions
Ultrasonic Flow Measuring System
Flow rate measuring for
standard applications with
drinking water, wastewater and
process water
(incl. Description of Device Functions)EN 06/12/202319/08/201101/02/201001/04/2006Language:
English
Version:
06/12/2023
File size:
5.4 MB
File name:
BA00100DEN_1423.pdf
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-
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Short Instruction (KA)
Proline Prosonic Flow 90, 91, 93 Sonderdokumentation / Special Documentation
Montageanleitung für die Verbindung Sensoren / Messumformer bei
Verwendung von flexiblen Kabelschutzrohren
Mounting instruc
tions for the sensor / transmitter connection using flxible conduitEN 01/11/2006Language:
English
Version:
01/11/2006
File size:
228.6 KB
File name:
KA015Da2.pdf
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-
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Short Instruction (KA)
Proline Prosonic Flow 91W Brief Operating Instructions
Ultrasonic flow measuring system
EN 13/02/201219/08/201126/04/2010Language:
English
Version:
13/02/2012
File size:
976.4 KB
File name:
KA00049DEN_1412.pdf
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-
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Installation Instructions (EA)
EA Replacing cover and O-ring
Proline 10, 23, 50, 51, 53, 55, 400, 800, 40, 80, 83, 84, 8ME, 8FF, 8FE
,8CM, 90, 91, 92, 93, 65, 72, 73EN 15/10/202401/10/201828/06/2012Language:
English
Version:
15/10/2024
File size:
797.3 KB
File name:
EA00098DA2_1624-00.pdf
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Installation Instructions (EA)
Safety Instructions for Spare Parts Installation Instructions
Flowmeter
EN 01/03/201828/11/201325/04/2013Language:
English
Version:
01/03/2018
File size:
139.5 KB
File name:
EA01051DA2_0318.pdf
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Installation Instructions (EA)
Replacing T-DAT Installation Instructions
Promag 23, 53, 55, Promass 83, 84, 8WF, 8ME, Cubemass DCI 8CN, CNGmass
DCI 8DF, Prosonic Flow 91, 93, t-mass 65EN 15/11/201821/11/2011Language:
English
Version:
15/11/2018
File size:
481.6 KB
File name:
EA00072DA2_1418.pdf
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Installation Instructions (EA)
Replacing transmitter parts Installation Instructions
Promag 10, Prosonic Flow 91 W
EN 01/04/201917/11/2011Language:
English
Version:
01/04/2019
File size:
558.9 KB
File name:
EA00040DA2_1419.pdf
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Installation Instructions (EA)
EA Permanent Coupling Pad
Prosonic Flow 91W, 93P, W 400, P 500
EN 01/03/202415/12/202101/08/202116/09/2019Language:
English
Version:
01/03/2024
File size:
609.4 KB
File name:
EA01256DA2_0423-00.pdf
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Search spare parts by number in drawing
60 spare parts & accessories
60 spare parts & accessories
60 spare parts & accessories
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Kit Main-PCB 91W 85-250VAC
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Electronic
Drawing numberOrder codeA71138304 -
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Kit Main-PCB 91W 20-28VAC 11-40VDC
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Electronic
Drawing numberOrder codeA71138309 -
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Kit 10 fuses 1.0 A/250 slow
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Electronic
Drawing numberOrder code350104749 -
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Kit 10 fuses 1.6 A/250 slow
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Electronic
Drawing numberOrder code350104750 -
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Kit display 10/91W with keyboard
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Display
Drawing numberOrder codeB50104745 -
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Kit T-DAT Transmitter Data Chip
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Memory
Drawing numberOrder code250094004 -
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Kit Ground terminal/Cover clamp
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Terminals
Drawing numberOrder code850097147 -
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Kit Terminal Block 10/1YH/91W
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Terminals
Drawing numberOrder code150108138 -
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Kit cover 10/91W with window
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Cover
Drawing numberOrder code550104746 -
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Kit cover 10/1YH/91W blind version
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Cover
Drawing numberOrder code650104747 -
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Kit 10 ext. M20x1.5/G 1/2" (plug PVC)
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Connection (electrical)
Drawing numberOrder code950098041 -
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Kit 10 ext. M20x1.5/NPT 1/2" (plug PVC)
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Connection (electrical)
Drawing numberOrder code950098042 -
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Kit 10 cable glands M20x1,5 grey
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Connection (electrical)
Drawing numberOrder code950103658 -
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Kit PCB/Display carrier 10/91W
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Electronic
Drawing numberOrder code450104748 -
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Kit cable glands Wall holding 91W
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Connection (electrical)
Drawing numberOrder code1171022832 -
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Kit Wall holding Prosonic 91W cpl.
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Housing/housing accessories
Drawing numberOrder code1071022835 -
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Kit housing gasket 91W field housing
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Sealing
Drawing numberOrder code771023273 -
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Prosonic Flow W, flow sensor set
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further parts
Order codeDK9WS- -
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Prosonic Flow 91/93/93T,sensor cable set
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further parts
Order codeDK9SS- -
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Prosonic Flow W/P, sensor holder set
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further parts
Order codeDK9SH- -
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Prosonic Flow W/P, install.set Clamp On
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further parts
Order codeDK9IC- -
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Prosonic Flow 91/93 W/P, conduit adapter
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further parts
Order codeDK9CB- -
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Coupling medium, Prosonic Flow
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further parts
Order codeDK9CM- -
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Transmitter 91/90/93, Mounting set
Order codeDK9WM-
5 products & bundles
5 products
Often bought together
Accessories
- Transmitter 91/90/93, Mounting set
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