Key Specifications
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Maximum measurement error
Volume flow:
±3% of reading for DN15
±2% of reading for DN25 to 200
±2% of reading above DN200 -
Measurement range
0.3 to 10 m/s (1 to 33 ft/s)
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Fluid temperature range
-20 to +80°C (-4 to +176°F)
Optional: 0 to +130°C (32 to +265°F) -
Maximum operating pressure
Not applicable
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Wetted materials
Clamp-on system:
Sensor holder 1.4308/CF-8
Sensor housing 1.4301/304
Mounting bands 1.4301/304
Application Areas
The Prosonic Flow W clamp-on sensor is engineered specifically for water and wastewater management. When paired with the economical Prosonic Flow 91 transmitter featuring push-button controls, the Prosonic Flow 91W system provides an optimal solution for flow monitoring in water treatment facilities.
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Measurement unaffected by pressure, density, temperature, conductivity or viscosity
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Non-invasive flow measurement for process water, brine, demineralized water, potable water and wastewater
Device characteristics:
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Fluid temperature range: –20 to +80 °C (-4 to +176 °F)
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IP68 protection rating (Type 6P enclosure) for submerged pipe applications
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Shock and vibration resistance compliant with IEC 68-2-6
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Field transmitter with aluminum housing
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Dual-line display with push-button interface
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HART communication protocol
Advantages
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Cost-effective solution – greater savings with larger pipe diameters (up to DN 2000)
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Stable long-term performance – maintenance-free external mounting with coupling pads
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Enhanced process visibility – comprehensive diagnostics
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Budget-friendly transmitter – optimized for straightforward applications
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Quick installation – simplified setup through Quick Setup menu
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Automatic data retrieval for maintenance purposes
