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  • Flexim FLUXUS F721 Non-Intrusive Ultrasonic Liquid Flow Measurement (Obsolete)
Flexim-FLUXUS F721 Non-Intrusive Ultrasonic Liquid Flow Meter

Flexim FLUXUS F721 Non-Intrusive Ultrasonic Liquid Flow Measurement (Obsolete)

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Product Description

This product is obsolete. Relevant documents and drawings are listed below. Please contact your local Emerson representative for your measurement needs.

Specifications

Fluid type
All liquids
Accuracy
Measurement uncertainty of the measuring system (volumetric flow rate): ±0.3 % of reading ±0,005 m/s (±0.02 ft/s)
Measurement uncertainty at the measuring point (volumetric flow rate): ±1 % of reading ±0,005 m/s (±0.02 ft/s)
Repeatability
0.15 % of reading ±0,005 m/s (±0.02 ft/s)
Flow Channels
up to 2
Range
Flow Velocity Range: 0,01…25 m/s (0.03 to 82 ft/s), depending on pipe diameter
Certifications/Approvals
FM Class I /Div 2
ATEX/IECEx Zone 2
PESO
KOSHA
Power supply
100-230VAC
24VDC
12VDC
Pipe size
6 to 6500 mm (0.24 to 255.9 inch)
Pressure range
-
Temperature range (media)
-40 to +200°C (-40 to +392°F) / WI: -200 to +630°C (-328 to +1166°F)
Output
4-20mA active/passive
4-20mA HART active/passive
pulse/frequency/binary
voltage
Input
Temperature
4-20mA active/passive
binary
voltage
Communication Protocol
Modbus RTU/TCP
BACnet MSTP/IP
Profibus PA
Foundation Fieldbus
System configuration and installation
For more detailed Information please download the Technical Specifications

Features

  • Certified for operation within hazardous areas (ATEX/IECEx Zone 2 and FMc Class I, Division 2 certified). 
  • High sampling rates (output of measurement data every 10 ms), capturing pulsating flows.
  • Reliable measurements of slurries or liquids with gaseous entrainments.
  • High operational safety with no risk of leaks.
  • Independent of pipe material, diameter, wall thickness and internal pressure and temperature.
  • Accurate and repeatable measurement readings - even at extremely low flow rates (high turndown ratio).
  • Highly cost-efficient in comparison to wetted instrumentation.
  • Every measurement system is pre-calibrated in-house (traceable to national standards) and delivered with a calibration certificate.
  • Matched transducers, integrated temperature compensation (according to ANSI/ASME MFC-5.1-2011 regulations) and advanced digital signal processing guarantee a high zero-point stability, drift-free and accurate measurement readings.
  • Permanent coupling ensures long-term reliable non-intrusive flow measurement even under harsh environmental conditions, such as submersion.
  • Bi-directional communication as well as remote parameterization and diagnostic capabilities.

Documents & Drawings