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Picture of ultrasonic flowmeter Proline Prosonic Flow 93C for water and wastewater applications

Prosonic Flow Inline 93C

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  • Measuring principle

    Ultrasonic flow

  • Product headline

    Accurate flowmeter for large pipes up to DN 1200 and with a wide range of outputs.
    Inline flow measurement of process water, salt water, demineralized water, drinking and wastewater.

  • Sensor features

    No production losses – removal or replacement of sensor elements without process shutdown. No additional pressure loss – full-bore design. Process transparency – diagnostic capability.
    Internationally recognized drinking water approvals. Nominal diameter: DN 300 to 1200 (12 to 48"). Medium temperature: –10 to 80 °C (14 to 176 °F).

  • Transmitter features

    Highest performance – extended functionality and diagnostics. Flexible data transfer options – numerous communication types. Automatic recovery of data for servicing.
    Aluminium transmitter housing. 4‐line backlit display with touch control. HART, PROFIBUS PA/DP, FOUNDATION Fieldbus.

  • Nominal diameter range

    DN 300 to 1200(12" to 48")

  • Wetted materials

    Sensor housing: 1.4404/DN 17440 (316L/AISI)
    Weld-in parts: 1.4404/DN 17440 (316L/AISI)
    Measuring pipe: ST 37.2 (carbon steel)

  • Measured variables

    Volume flow channel 1 or 2, sound velocity, flow velocity, average volume flow, average sound velocity, average flow velocity, totalizer

  • Max. measurement error

    +/-0.5 %

  • Measuring range

    0 to 40000 m3/h 0 to 180000GPM

  • Max. process pressure

    PN 16, Cl. 150

  • Medium temperature range

    -20 to +60°C (-4 to 140°F)

  • Ambient temperature range

    –20 to +60 °C (–4 to +140 °F)
    –20 to +80 °C (–4 to +176 °F)

  • Transmitter housing material

    Wall-mounted housing: powder-coated die-cast aluminum

  • Degree of protection

    IP 67 (NEMA 4X)
    IP 68 (NEMA 6P)

  • Display/Operation

    4 lines backlit display with three optical keys

  • Outputs

    1x 4-20 mA HART
    1x Pulse/frequency/switch output (passive)

  • Inputs


  • Digital communication


  • Power supply

    AC 85 to 260 V
    AC 20 to 55 V
    DC 16 to 62V

  • Hazardous area approvals


  • Product safety

    CE, C-Tick