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Picture of Promag W 800/5W8C battery-powered magmeter for drinking water distribution network

Proline Promag W 800
electromagnetic flowmeter

Long-lasting battery-powered magmeter with secure system integration and communication

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  • Measuring principle


  • Product headline

    Battery-powered flowmeter with EN ISO 12944 corrosion protection & intelligent energy efficient mode.
    For direct underground installation or permanent underwater use.
    Certified sensor for the most demanding water and wastewater applications.

  • Sensor features

    Secure, reliable long‐term operation – robust and completely welded sensor. Energy‐saving flow measurement – no pressure loss due to cross section constriction. Maintenance‐free – no moving parts.
    International drinking water approvals. Degree of protection IP68 (Type 6P enclosure).

  • Transmitter features

    Secure data storage and transmission – worldwide
    encrypted communication over the mobile network . Convenient commissioning and operation – device
    access via Bluetooth using intuitive SmartBlue app. Integrated verification – Heartbeat Technology.
    Transmitter housing made of durable polycarbonate. Battery lifetime up to 15 years. Measuring intervals can be adapted individually.

  • Nominal diameter range

    DN 25 to 600 (1 to 24")

  • Wetted materials

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

  • Measured variables

    Volume flow

  • Max. measurement error

    Volume flow: ±0.5 % o.r. ± 2 mm/s (±0.5 % o.r. ± 0.08 in/s)

  • Measuring range

    9 dm³/min to 9600 m³/h (2.5 to 44000 gal/min)

  • Max. process pressure

    PN 40, Class 300, 20K

  • 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 70°C

  • Ambient temperature range

    Flange material carbon steel: –10 to +60 °C (14 to +140 °F)
    Flange material stainless steel: –40 to +60 °C (–40 to +140 °F)

  • Sensor housing material

    DN 25 to 300 (1 to 12"): AlSi10Mg, coated
    DN 350 to 600 (14 to 24"): Carbon steel with protective varnish

  • Transmitter housing material


  • Degree of protection

    Compact version: IP66/67, type 4X enclosure and IP68, type 6P enclosure
    Sensor remote version (standard): IP66/67, type 4X enclosure
    Sensor remote version (option): IP68, type 6P enclosure, with protective varnish according to EN ISO 12944 C5-M/Im1/Im2/Im3

  • Display/Operation

    4‐line backlit display with touch control (operation from outside)
    Configuration via local display and operating tools possible; Remote data access via mail and SMS

  • Outputs

    3x Pulse/switch output (passive); Modbus RS485

  • Inputs

    Status input

  • Digital communication

    LTE Cat M1; LTE Cat NB1; LTE Cat NB2; GPRS; EGPRS

  • Power supply

    Batteries per DC 3.6 V External:
    AC 85 to 265 V (47 to 63 Hz) / DC 19 to 30 V

  • Hazardous area approvals

    CSA, GP

  • Product safety

    CE Marking, EAC Marking, UKCA Marking

  • Metrological approvals and certificates

    Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025)
    Heartbeat Technology complies with the requirements for measurement traceability according to ISO 9001:2015 – Section a (TÜV SÜD attestation)

  • Pressure approvals and certificates

    CRN, PED

  • Hygienic approvals and certificates

    Drinking water approval: ACS, KTW/W270, NSF 61, WRAS BS 6920