Proline Prosonic Flow 91W for water and wastewater applications
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Measuring principle
Ultrasonic flow
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Product headline
Device with automatic frequency scan for maximum measuring performance and cost-effective transmitter.
Clamp-on flow measurement of process water, salt water, demineralized water, drinking & wastewater. -
Sensor features
Low capital investment – cost-effectiveness increases with pipe diameter (up to DN 2000/80″). Long-term stable signal – maintenance-free permanent mounting from outside with coupling pads. Process transparency – diagnostic capability.
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. -
Transmitter features
Economical transmitter – designed for easy applications. Fast and reliable commissioning – Quick Setup menu for installation. Automatic recovery of data for servicing.
Aluminium field transmitter housing. 2-line display with push buttons. HART. -
Nominal diameter range
Single channel, 1 or 2 paths : DN15 to 2000 (1/2 to 80″)
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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 -
Measured variables
Volume flow, sound velocity, flow velocity, signal strength, totalizer
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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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Max. process pressure
N/A
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Medium temperature range
-20 to +80°C (-4 to +176 °F)
0 to +130°C (32 to +265 °F) option -
Ambient temperature range
-20 to +60 °C (-4 to +140 °F)
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Sensor housing material
N/A
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Transmitter housing material
AlSi10Mg, coated
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Degree of protection
IP67, type 4X for transmitter
IP67 type 4X for sensors
IP68 type 6P for sensors (option). IP67 NEMA 4X -
Display/Operation
2 lines backlit display with 3 push button
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Outputs
1x 4-20 mA HART (active)
1x Pulse/frequency/switch output (passive) -
Inputs
N/A
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Digital communication
HART
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Power supply
AC 85 to 250 V
20 to 28 V
DC 11 to 40 V -
Hazardous area approvals
Non hazardous area
FM, CSA -
Other approvals and certificates
Flowmeter verification for DN15, 25, 40, 50 & 100 only
EAC marking -
Product safety
CE, C-Tick, EAC marking
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Metrological approvals and certificates
Flowmeter verification for DN15, 25, 40, 50 & 100 only
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 viscosityClamp-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 waterShock and vibration resistance according to IEC 68-2-6Aluminium field transmitter housing2-line display with push buttonsHART
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 padsProcess transparency – diagnostic capabilityEconomical transmitter – designed for easy applicationsFast and reliable commissioning – Quick Setup menu for installationAutomatic recovery of data for servicing