91W Proline Prosonic Flow 91W ultrasonic flowmeter

Field of application

The Prosonic Flow W clamp-on sensor is specially designed for water and wastewater applications. Combined with the cost-effective Prosonic Flow 91 transmitter with push buttons, Prosonic Flow 91W is ideally suited for flow monitoring in the water industry.

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

• Clamp-on flow measurement of process water, salt water, deminerialized water, drinking & wastewater.

Device properties:

• Medium temperature: –20 to +80 °C (-4 to +176 °F)

• Degree of protection IP68 (Type 6P enclosure) for pipes under water

• Shock and vibration resistance according to IEC 68-2-6

• Aluminium field transmitter housing

• 2-line display with push buttons

• HART

Benefits

• Low capital investment – cost-effectiveness increases with pipe diameter (up to DN 2000)

• Long-term stable signal - maintenance-free permanent mounting from outside with coupling pads

• Process transparency – diagnostic capability

• Economical transmitter – designed for easy applications

• Fast and reliable commissioning – Quick Setup menu for installation

• Automatic recovery of data for servicing

• Measuring principle

  Ultrasonic flow

• Product headline

  Device with automatic frequency scan for maximum measuring performance and cost-effective transmitter.
  Clamp-on flow measurement of process water, salt water, demineralized water, drinking & wastewater.

• Sensor features

  Low capital investment – cost-effectiveness increases with pipe diameter (up to DN 4000/156"). Long-term stable signal – maintenance-free permanent mounting from outside with coupling pads. Process transparency – diagnostic capability.
  Medium temperature: –20 to +80 °C (-4 to +176 °F). Degree of protection IP68 (Type 6P enclosure) for pipes under water. Shock and vibration resistance according to IEC 68-2-6.

• Transmitter features

  Economical transmitter – designed for easy applications. Fast and reliable commissioning – Quick Setup menu for installation. Automatic recovery of data for servicing.
  Aluminium field transmitter housing. 2-line display with push buttons. HART.

• Nominal diameter range

  Single channel, 1 or 2 paths : DN15 to 2000 (1/2 to 80")

• Wetted materials

  Clamp on system:
  Sensor holder 1.4308/CF-8
  Sensor housing 1.4301/304
  Strapping bands 1.4301/304

• Measured variables

  Volume flow, sound velocity, flow velocity, signal strength, totalizer

• Max. measurement error

  Volume flow:
  ±3% o.r. for DN15
  ±2% o.r. for DN25 to 200
  ±2% o.r. above DN200

• Measuring range

  0.3 to 10 m/s (1 to 33 ft/s)

• Max. process pressure

  N/A

• Medium temperature range

  -20 to +80°C (-4 to +176 °F)
  0 to +130°C (32 to +265 °F) option

• Ambient temperature range

  -20 to +60 °C (-4 to +140 °F)

• Sensor housing material

  N/A

• Transmitter housing material

  AlSi10Mg, coated

• Degree of protection

  IP67, type 4X for transmitter
  IP67 type 4X for sensors
  IP68 type 6P for sensors (option). IP67 NEMA 4X

• Display/Operation

  2 lines backlit display with 3 push button

• Outputs

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

• Inputs

  N/A

• Digital communication

  HART

• Power supply

  AC 85 to 250 V
  20 to 28 V
  DC 11 to 40 V

• Hazardous area approvals

  Non hazardous area
  FM, CSA

• Other approvals and certificates

  Flowmeter verification for DN15, 25, 40, 50 & 100 only
  EAC marking

• Product safety

  CE, C-Tick, EAC marking

• Metrological approvals and certificates

  Flowmeter verification for DN15, 25, 40, 50 & 100 only