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Proline Prosonic Flow B 200 / 9B2B Ultrasonic Flowmeter

The Proline Prosonic Flow B 200 is an ultrasonic flowmeter designed for accurate and reliable biogas measurement, optimized for low-pressure applications. With a full-bore design, it ensures no additional pressure loss, making it ideal for wet biogas and digester gas in fluctuating conditions. This multivariable device measures flow, temperature, and methane content, with a measuring range of 1 to 30 m/s and a maximum pressure rating of 11 bar. Equipped with Heartbeat Technology for integrated verification and a user-friendly backlit display, it is suitable for various industrial applications with necessary safety approvals.

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Description

Part Number: 9B2B

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: Measures 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 and 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)
    • ±3.0 % 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:

  • Display: 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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