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Endress+Hauser Proline Prosonic Flow 91W Technical Information

Ultrasonic flow measuring system. flowrate measurement for standard applications with drinking water and process water.
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Technical Information
Proline Prosonic Flow 91W
Ultrasonic Flow Measuring System
Flowrate measurement for standard applications with
drinking water and process water
Applications
The sensors are perfectly suited for the non-contact
measurement of pure or slightly contaminated liquids,
regardless of the pressure or electrical conductivity.
• Suitable for pipe diameters in the range
DN 15 to 2000 (½" to 80")
• Can be used with all metal and plastic pipes lined or
unlined
• Ideal solution for applications with water, e.g. drinking
water, industrial water, saltwater, deionized water,
cooling water and heating water
• Perfectly suitable for
– subsequent mounting
– flow monitoring
– improving measuring points
TI00105D/06/EN/13.11
71136725
Features and benefits
The Prosonic Flow ultrasonic clamp-on system allows
accurate and cost-effective flow measurement from
outside the pipe and without the need to interrupt the
process. The flow measurement is bidirectional and
causes no pressure loss.
• Easy, safe and menu-guided sensor mounting ensures
precise measuring results
• Long-term system integrity thanks to robust sensor
and industrial mounting kit design
• Automatic frequency scan for optimized installation
and maximum measuring performance
• IP 68 for pipes under water
• Remote configuration using Endress+Hauser's
FieldCare software

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Summary of Contents for Endress+Hauser Proline Prosonic Flow 91W

  • Page 1 Technical Information Proline Prosonic Flow 91W Ultrasonic Flow Measuring System Flowrate measurement for standard applications with drinking water and process water Applications Features and benefits The sensors are perfectly suited for the non-contact The Prosonic Flow ultrasonic clamp-on system allows...

  • Page 2: Table Of Contents

    Proline Prosonic Flow 91W Table of contents Function and system design..... 3 Human interface ......18 Measuring principle .

  • Page 3: Function And System Design

    Proline Prosonic Flow 91W Function and system design Measuring principle The measuring system operates on the principle of transit time difference. In this measurement method, acoustic (ultrasonic) signals are transmitted between two sensors. The signals are sent in both directions, i.e.

  • Page 4: Measuring

    Proline Prosonic Flow 91W Measuring The measuring system consists of one transmitter and two sensors. Different versions are available depending on the specific requirements. The transmitter is used both to control the sensors and to prepare, process and evaluate the measuring signals, and to convert the signals to a desired output variable.

  • Page 5: Sensor Selection And Arrangement

    Proline Prosonic Flow 91W Sensor selection and The sensors can be arranged in two ways: arrangement • Mounting arrangement for measurement via one traverse: the sensors are located on opposite sides of the pipe. • Mounting arrangement for measurement via two traverses: the sensors are located on the same side of the pipe.

  • Page 6: Input

    Proline Prosonic Flow 91W Input Measured variable Flow velocity (differential delay proportional to flow velocity) Measuring range Typically v = 0 to 15 m/s (0 to 50 ft/s) at the specified measuring accuracy Operable flow range Over 150 : 1...

  • Page 7: Power Supply

    Proline Prosonic Flow 91W Power supply Measuring unit electrical connection – – (L+) (L-) a0005838 Connecting the transmitter (Aluminium-Fieldhousing).  cable cross-section: max. 2.5 mm (AWG 13) Cover Cable for power supply: 85 to 260 V AC, 20 to 55 V AC, 16 to 62 V DC Terminal for power supply: Terminal for power supply: Nr.

  • Page 8: Connecting The Connecting Cable

    Proline Prosonic Flow 91W Connecting the connecting Connection sensor cable in the electronics compartment cable A0015907 a, b Sensor connection cable Cable gland holder Cable gland Supply voltage Transmitter 85 to 260 V AC, 45 to 65 Hz 20 to 55 V AC, 45 to 65 Hz...

  • Page 9: Cable-Specification

    A0008152 Cable gland for two connection cables (2 × Q 4 mm/0.16") per cable entry Cable-specification Only use the connection cable supplied by Endress+Hauser. Different versions of the connecting cables are available  ä 21. Prosonic Flow • Cable material: –...

  • Page 10: Performance Characteristics

    Proline Prosonic Flow 91W Performance characteristics Reference operating • Fluid temperature: +28 °C ± 2 K conditions • Ambient temperature: +22 °C ± 2 K • Warm-up period: 30 minutes Installation: • Sensor and transmitter grounded. • The measuring sensors are mounted correctly.

  • Page 11: Operating Conditions: Installation

    Proline Prosonic Flow 91W Operating conditions: installation Installation instructions Mounting location Correct flow measurement is possible only if the pipe is full. It is preferable to install the sensors in a riser. Note! Entrained air or gas bubbles in the measuring tube can result in an increase in measuring errors.

  • Page 12: Inlet And Outlet Runs

    Proline Prosonic Flow 91W Inlet and outlet runs If possible, install the sensor well clear of assemblies such as valves, T-pieces, elbows, etc. If several flow obstructions are installed, the longest inlet or outlet run must be considered. Compliance with the following requirements for the inlet and outlet runs is recommended to ensure measuring accuracy.

  • Page 13: Degree Of Protection

    Energy Measurement The Prosonic Flow 91W Ultrasonic is well suited for making or retrofitting energy measurement for hot or chilled water systems - often used in conjunction with Endress+Hauser Flow and Energy Manager RMC621/RMS621. The quantity of heat is calculated from the process variable for flow and the differential from the feed and return temperature.

  • Page 14: Mechanical Construction

    Proline Prosonic Flow 91W Mechanical construction Design, dimensions Dimensions field housing ~150 (~5.9) 190 (7.48) Ø 129 (5.1) 113 (4.45) 178 (7.0) 80 (3.15) 100 (3.94) mm (inch) A0006063-ae Dimensions pipe mounting & 185 ( 3.34) & 190 (7.48) (3.15)
  • Page 15 Proline Prosonic Flow 91W Prosonic Flow W sensor (DN 15 to 65 / ½" to 2½") A0011502 Mounting arrangement for measurement via one traverse Dimensions in SI units All dimensions in [mm] Dimensions in US units .17 2.83 13.03 1.54 1.10...
  • Page 16 Proline Prosonic Flow 91W Prosonic Flow W sensor (DN50 to 2000 / 2" to 80") A0011401 Mounting arrangement for measurement via two traverse Dimensions in SI units  58 Max. 872 Depends on the measuring point conditions (pipe, fluid etc.).
  • Page 17 Proline Prosonic Flow 91W Prosonic Flow W sensor (DN50 to 2000 / 2" to 80") A0011155 Mounting arrangement for measurement via one traverse Dimensions in SI units  58 Max. 872 Depends on the measuring point conditions (pipe, fluid etc.).

  • Page 18: Weight

    Proline Prosonic Flow 91W Weight • Transmitter housing: 2.4 kg (5.2 lb) • Flowrate measuring sensors W (clamp-on) incl. mounting rail and tensioning bands: 2.8 kg (6.2 lb) Materials Transmitter Wall-mounted housing: powder-coated die-cast aluminum Sensor • Sensor holder: stainless steel 1.4308/CF-8 •...

  • Page 19: Certificates And Approvals

    The measuring system is in conformity with the EMC requirements of the Australian Communications and Media Authority (ACMA). Ex approval Information about currently available Ex versions (FM, CSA) can be supplied by your Endress+Hauser Sales Center on request. All explosion protection data are given in a separate documentation which is available upon request.

  • Page 20: Accessories

    Proline Prosonic Flow 91W Accessories Various accessories, which can be ordered separately from Endress+Hauser, are available for the transmitter and the sensor. The Endress+Hauser service organization can provide detailed information on the order codes on request. Device-specific accessories Accessory Description...

  • Page 21: Communication-Specific Accessories

    Handheld terminal for remote configuration and for obtaining SFX100 – ******* Field Xpert SFX 100 measured values via the HART current output (4 to 20 mA). Contact your Endress+Hauser representative for more information. Fieldgate FXA320 Gateway for remote interrogation of HART sensors and actuators...

  • Page 22: Service-Specific Accessories

    Software for selecting and planning flowmeters. DXA80 - * The Applicator can be downloaded from the Internet or ordered on CD-ROM for installation on a local PC. Contact your Endress+Hauser representative for more information. Fieldcheck Tester/simulator for testing flowmeters in the field.

  • Page 23: Documentation

    • Operating Instructions for Prosonic Flow 91 (BA100D/06) • Supplementary documentation on Ex-ratings: FM, CSA Registered trademarks ® HART Registered trademark of HART Communication Foundation, Austin, USA ® ® HistoROM™, T-DAT™, FieldCare , Field Xpert™, Fieldcheck Registered or registration-pending trademarks of Endress+Hauser Flowtec AG, Reinach, CH Endress+Hauser...
  • Page 24 Instruments International Endress+Hauser Instruments International AG Kaegenstrasse 2 4153 Reinach Switzerland Tel.+41 61 715 81 00 Fax+41 61 715 25 00 www.endress.com info@ii.endress.com TI00105D/06/EN/13.11 71136725 FM+SGML6.0 ProMoDo...

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