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Picture of ultrasonic flowmeter Proline Prosonic Flow W 400 (9W4B)

Proline Prosonic Flow W 400 ultrasonic clamp-on flowmeter

Reliable, flexible, zero maintenance – noninvasive flow measurement, consistently accurate, even in limited spaces

9W4B
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Picture of ultrasonic flowmeter Proline Prosonic Flow W 400 (9W4B)
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©Endress+Hauser

Ultrasonic clamp-on flowmeter Proline Prosonic Flow W 400 – noninvasive and easy to install – no process interruption – maintenance-free operation

Picture of ultrasonic flowmeter Proline Prosonic Flow W 400 in limited space
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When space is limited: Ultrasonic clamp-on flowmeter with FlowDC function for consistently high performance even at only 2 x DN inlet runs

Picture of ultrasonic flowmeter Proline Prosonic Flow W 400 on a DN 2000 pipe
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Ultrasonic flow measurement in an energy plant – maintenance-free clamp-on sensors on a DN 2000 pipe

Picture of ultrasonic flowmeter Proline Prosonic Flow W 400 in spite of disturbed flow profile
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Consistently high measurement performance in spite of disturbed flow profile – Prosonic Flow W 400 with FlowDC

Ultrasonic clamp-on flowmeter Proline Prosonic Flow W 400 – noninvasive and easy to install – no process interruption – maintenance-free operation

Heartbeat Technology

Specs at a glance

  • 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 to 15 m/s (0 to 50 ft/s)

  • Medium temperature range

    –40 to +130 °C (–40 to +266 °F)

  • Max. process pressure

    N/A

Field of application

Prosonic Flow W 400 is the

Benefits

  • Flexible mounting – FlowDC reduces inlet runs to a minimum

  • Reliable measurement performance – proven sensors in combination with maintenance-free mounting system deliver long-term stable signals

  • Low capital investment – cost-effectiveness increases with the pipe diameter (up to DN 4000/160")

  • User-friendly operation – the web server offers full remote access, while the device’s display offers convenient on-site interaction

  • Transparent process insights – Heartbeat Technology with its integrated diagnostics, verification and monitoring functions enable compliance and process safety at all times

Videos

  • How FlowDC function reduces inlet runs to a minimum

  • Straightforward application of FlowDC in practice

  • The ultrasonic flow measuring principle

  • Heartbeat Technology
    Smart instrumentation through Heartbeat Technology

    You want to increase plant performance and reduce costs? Our smart instrumentation portfolio with Heartbeat Technology offers in-depth device insight for more cost-efficiency and operational safety.

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