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All >> Flow Measurement >> Ultrasonic Clamp-on Flowmeter
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Product name:
Ultrasonic Clamp-on Flowmeter
Product series:

9W4B

Product brand:
E+H/Endress+Hauser
Product feature:
• Flexible installation: The FlowDC function reduces the required upstream straight pipe length • Reliable measurement: Proven sensor technology and maintenance‑free mounting system ensure long‑term signal stability • Cost‑effective: Low investment cost, extended applicable pipe size range up to DN 4000 (160") • Easy operation: Web server enables remote instrument access; the display unit facilitates on‑site human‑machine interaction • Transparent information: Heartbeat Technology features self‑diagnosis, self‑verification and self‑monitoring to ensure continuous process compliance and safety • Heartbeat Technology provides self‑diagnosis, self‑verification and self‑monitoring, delivering consistently transparent process information. Deposit build‑up can be detected in advance before faults occur.
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Measuring principle:
The measuring system operates on the transit‑time principle. Acoustic signals (ultrasonic waves) are transmitted between two sensors. Bi‑directional signal transmission is supported, meaning each sensor can send and receive acoustic waves. The propagation speed of sound increases when travelling with the flow and decreases when travelling against the flow, resulting in a transit‑time difference. This transit‑time difference is proportional to the flow velocity of the medium. The measuring system calculates the volumetric flow rate of the medium using the measured transit‑time difference and the pipe cross‑sectional area. In addition to the transit‑time difference, the sound velocity of the medium can be measured simultaneously. This extra measured variable enables differentiation between different media or monitoring of medium quality.
Product positioning:
Standard Application
Using scenario:
The Prosonic Flow W 400 clamp‑on ultrasonic flowmeter is ideal for measuring conductive and non‑conductive liquids. It is safe, cost‑effective and maintenance‑free. With non‑intrusive installation, it performs bi‑directional flow measurement independent of pressure, density and conductivity, and requires no process shutdown. Thanks to the FlowDC function, the instrument allows flexible and convenient installation. The flowmeter only requires an upstream straight pipe length of 2 × DN to maintain its designed accuracy, even under disturbed flow conditions.
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Jiangsu Pinyi instrument Co., Ltd.
Shanghai Ruiyingda measurement and control technology Co., Ltd.
We specialize in instruments and process control.
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