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Picture of Electromagnetic flowmeter Proline Promag L 400 / 5L4C for the water & wastewater industry

Proline Promag L 400
electromagnetic flowmeter

Flowmeter for the water and wastewater industry with a weight-optimized sensor

5L4C
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Picture of Electromagnetic flowmeter Proline Promag L 400 / 5L4C for the water & wastewater industry ©Endress+Hauser

Proline Promag L 400 for the water & wastewater industry

Heartbeat Technology

Specs at a glance

  • Max. measurement error

    Volume flow (standard): ±0.5 % o.r. ± 1 mm/s (0.04 in/s)
    Volume flow (option): ±0.2 % o.r. ± 2 mm/s (0.08 in/s)

  • Measuring range

    9 dm³/min to 162 000 m³/h (2.5 gal/min to 1030 Mgal/d)

  • Medium temperature range

    Liner material hard rubber: 0 to +80 °C (+32 to +176 °F)
    Liner material polyurethane: –20 to +50 °C (–4 to +122 °F)
    Liner material PTFE: –20 to +90 °C (–4 to +194 °F)

  • Max. process pressure

    PN 16, Class 150

  • Wetted materials

    Liner: PTFE; Polyurethane; Hard rubber
    Electrodes: 1.4435 (316L); Alloy C22, 2.4602 (UNS N06022)

Field of application

The weight-optimized Promag L is suitable for applications in the water and wastewater industry. Due to its lap-joint flange concept, the flowmeter offers flexible and easy installation. Promag L 400 saves time and costs thanks to the broad functionality of its water- and wastewater-optimized transmitter. In addition, Heartbeat Technology ensures compliance and process safety at all times.

  • The bidirectional measuring principle is virtually independent of pressure, density, temperature and viscosity

  • Suitable for applications in the water and wastewater industry.

Device properties

  • Up to 30% less sensor weight

  • Nominal diameter: DN 25 to 2400 (1 to 90")

  • Maximum reduced installation length to DVGW/ISO

  • Transmitter housing made of durable polycarbonate or aluminium

  • WLAN access

  • Integrated data logger: measured values monitoring

Benefits

  • Reduced installation costs – flexible mounting by lap-joint flange concept (DN < 350/14")

  • Energy-saving flow measurement – no pressure loss due to cross-section constriction

  • Maintenance-free – no moving parts

  • Safe operation – no need to open the device due to display with touch control, background lighting

  • Time-saving local operation without additional software and hardware – integrated web server

  • Integrated verification – Heartbeat Technology

Videos

  • The Electromagnetic Flow Measuring Principle

  • Introduction of Proline Web server

  • Heartbeat Technology
    Heartbeat Technology

    You would like to increase your plant availability and reduce costs? Heartbeat Technology guarantees cost-efficient and safe plant operation without process interruptions.

Predecessor

Success stories

  • Wastewater sampling in a shaft Wastewater sampling in a shaft

    Wastewater measurement that works

    Check out how Hofbrauhaus Freising samples wastewater with Promag L 400 in a nearly inaccessible shaft.

  • Picture of Promag W measuring tube with build-up Picture of Promag W measuring tube with build-up

    Build-up monitoring

    A water treatment plant in Germany faced the problem of unexpected downtime due to clogged water wells. With Heartbeat Technology build-up index the customer now monitors iron build-up in his process.

  • air view of thyssenkrupp Presta AG in Oberegg (Switzerland) air view of thyssenkrupp Presta AG in Oberegg (Switzerland)

    Optimized cleaning for maximum product quality

    Reliable monitoring of cleaning media in part cleaning machines at thyssenkrupp Presta AG in Oberegg (Switzerland)

  • Picture of Bitumen loading station at BITUTANK AG in Switzerland Picture of Bitumen loading station at BITUTANK AG in Switzerland

    Highest accuracy for loading viscous bitumen

    GRISARD BITUMEN AG relies on Promass Q 500's Multi-frequency Technology for reliably measuring bitumen with entrained gas

  • Picture of the water reservoir Marbach (Germany) Picture of the water reservoir Marbach (Germany)

    Smart monitoring system for potable water treatment

    With Netilion Water Network Insights, Oberzent's water masters now see all relevant data points of their water system on a cloud-based dashboard without having to drive to the plants.

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Technical excellence

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Variable

FLEX selections Technical excellence Simplicity
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Fundamental selection

Meet your basic measurement needs

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Handle your core processes easily

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Optimize your processes with innovative technologies

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Master your most challenging applications

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