The Prosonic Flow W clamp-on sensor is designed specifically for water and wastewater flow measurement. Combined with the highly cost-effective Prosonic Flow 91 transmitter with push-button operation, the Prosonic Flow 91W becomes the ideal device for flow monitoring in the water industry.
Advantages
Low investment cost - the larger the pipe diameter (up to DN 4000), the better the cost-effectiveness of the investment
Long-term signal stability - permanently installed from the outside using coupling pads, maintenance-free
High process transparency – with diagnostic functions
Economical transmitter - easy to use
Fast, reliable commissioning - installation via the quick setup menu
Automatic data collection for maintenance purposes
Application areas
The choice of measuring principle does not need to take into account the measuring conditions, including pressure, density, temperature and viscosity
Clamp-on measurement of process water, brine, demineralized water, drinking water and wastewater.
Device features:
Medium temperature: –20 to +80 °C (-4 to +176 °F)
Degree of protection IP68 (6P housing) for underwater pipes
Shock and vibration resistance in accordance with IEC68-2-6
Aluminum housing for field-mounted transmitter
Display shows two lines of text with push-buttons
HART
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Technical documentation
Technical data
Documents / Manuals / Software
Accessories / Spare parts
Measuring principle video
Source:Endress+Hauserpublic information from the website
Case Studies
Municipal Wastewater Treatment — Wastewater Treatment Plant · Ultrasonic Flow Meter Application Case
Project Background
Municipal Wastewater Treatment customers at the Wastewater Treatment Plant stage have long faced the challenge of insufficient accuracy in effluent quality monitoring and instruments prone to contamination causing data drift, affecting compliance discharge, placing higher demands on the stability and measurement accuracy of Ultrasonic Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Ultrasonic Flow Meter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Municipal Wastewater Treatment conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Food & Beverage — Food Production Line · Ultrasonic Flow Meter Application Case
Project Background
Food & Beverage customers at the Food Production Line stage have long faced the challenge of high hygienic measurement requirements, with inline instruments needing to withstand CIP/SIP cleaning while maintaining stable accuracy, placing higher demands on the stability and measurement accuracy of Ultrasonic Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Ultrasonic Flow Meter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Food & Beverage conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Chemical & Pharmaceutical — Reactors and Storage Tanks · Ultrasonic Flow Meter Application Case
Project Background
Chemical & Pharmaceutical customers at the Reactors and Storage Tanks stage have long faced the challenge of highly corrosive media and complex conditions, requiring corrosion-resistant and explosion-proof instruments, placing higher demands on the stability and measurement accuracy of Ultrasonic Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Ultrasonic Flow Meter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Chemical & Pharmaceutical conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.
Power & Energy — Power Plant Boiler and Turbine · Ultrasonic Flow Meter Application Case
Project Background
Power & Energy customers at the Power Plant Boiler and Turbine stage have long faced the challenge of unstable measurement under high temperature and pressure, with high maintenance and downtime costs, placing higher demands on the stability and measurement accuracy of Ultrasonic Flow Meter.
Solution
Based on the on-site conditions, the Ainstru technical team selected suitable Ultrasonic Flow Meter for the customer and delivered one-stop service covering selection, installation, commissioning and tuning.
Results
- Measurement accuracy and response speed significantly improved, with stable and reliable data;
- Instruments adapt to complex Power & Energy conditions, greatly reducing maintenance;
- Helping customers achieve continuous online monitoring and cost reduction, highly recognized by customers.







