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Picture of Ultrasonic flowmeter Proline Prosonic Flow B 200 / 9B2B

Proline Prosonic Flow B 200 ultrasonic flowmeter

The device for accurate, reliable biogas measurement with loop-powered technology

9B2B
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  • Measuring principle

    Ultrasonic flow

  • Product headline

    The device for accurate, reliable biogas measurement with loop-powered technology.
    Inline flowmeter designed for measurement of wet biogas and digester gas under fluctuating process conditions.

  • Sensor features

    Optimized for low pressure gas – specialized sensor design. No additional pressure loss – full-bore design. Process transparency – diagnostic capability.
    Multivariable device: flow, temperature and methane. Medium temperature: 0 to 80 °C (32 to 176 °F). Process pressure: 0.7 to 11 bar a (10.2 to 159 psi a).

  • Transmitter features

    Convenient device wiring – separate connection compartment. Safe operation – no need to open the device due to display with touch control, background lighting. Integrated verification – Heartbeat Technology.
    Loop-powered technology. Robust dual-compartment housing. Plant safety: worldwide approvals.

  • Nominal diameter range

    Single‐path version: DN 50 (2"), DN 80 (3")
    Two‐path version: DN 100 to 200 (4 to 8")

  • Wetted materials

    Sensor: 1.4404/1.4435 (316L)
    Transducer: HNBR
    Temperature sensor (option): AFM 34

  • Measured variables

    Volume flow, corrected volume flow, corrected methane volume flow, energy flow, methane fraction, calorific value, temperature

  • Max. measurement error

    Volume flow (standard):
    ‐ ±1.5 % o.r. for 3 to 30 m/s (9.84 to 98.4 ft/s)
    ‐ ±3 % o.r. for 1 to 3 m/s (3.28 to 9.84 ft/s)
    Volume flow (option):
    ‐ ±0.1 % o.f.s. for 0.3 to 1 m/s (0.98 to 3.28 ft/s)
    ‐ ±1.5 % o.r. for 1 to 30 m/s (3.28 to 98.4 ft/s)

  • Measuring range

    Standard: 1 to 30 m/s (3.28 to 98.4 ft/s)
    Option: 0.3 to 30 m/s (0.98 to 98.4 ft/s)

  • Max. process pressure

    11 bar a (159 psi a)

  • Medium temperature range

    0 to +80 °C (+32 to +176 °F)

  • 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)

  • Transmitter housing material

    AlSi10Mg, coated; 1.4404 (316L)

  • Degree of protection

    IP66/67, type 4X enclosure

  • Display/Operation

    4‐line backlit display with touch control
    (operation from outside)
    Configuration via local display and operating tools possible

  • Outputs

    4‐20 mA HART (passive)
    4‐20 mA (passive)
    Pulse/frequency/switch output (passive)

  • Inputs

    Current input 4‐20 mA (passive)

  • Digital communication

    HART

  • Power supply

    DC 12 to 35 V (4‐20 mA HART with/without pulse/frequency/switch output)
    DC 12 to 30 V (4‐20 mA HART, 4‐20 mA)
    DC 12 to 35 V (4‐20 mA HART, pulse/frequency/switch output, 4‐20 mA input)
    DC 9 to 32 V (PROFIBUS PA, pulse/frequency/switch Output)

  • Hazardous area approvals

    ATEX, IECEx, cCSAus, NEPSI, INMETRO, JPN

  • Metrological approvals and certificates

    Calibration performed on accredited calibration facilities (acc. to ISO/IEC 17025)

  • Pressure approvals and certificates

    PED

  • Material certificates

    3.1 material (wetted parts)

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