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  • Flexim FLUXUS G731 ST-LT - Non-intrusive Steam Flow Measurement
Flexim-FLUXUS G731 ST-LT Non-intrusive Steam Flow Measurement

Flexim FLUXUS G731 ST-LT - Non-intrusive Steam Flow Measurement

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Product Description

The Flexim FLUXUS G731 ST-LT is a non-intrusive, high-performing ultrasonic clamp-on flow meter capable of measuring steam up to 180 °C (356 °F). With up to two measuring channels, optimum recording is possible even with difficult flow conditions. An optional stainless-steel housing and FM Class I Division 2 certification allow usage in extreme conditions, and the flexible configuration options for signal inputs and outputs cover all manner of applications. For users, this means important advantages when considering the total cost of operating a measuring point. The transit time difference principle already works at 0.01 m/s (0.03 ft/s) and does not need any reduction to the diameter of the pipe to artificially increase the flow velocity.

Dane techniczne

Fluid type
Saturated and superheated steam
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…3 % 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: depending on pipe diameter and transducer
Certifications/Approvals
FM Class I /Div 2
ATEX/IECEx Zone 2
Power supply
90-264VAC
11-32VDC
Pipe size
23 to 1000 mm (0.9 to 39.4 inch)
Pressure range
3 to 10 barg (44…145 psig)
Temperature range (media)
+135 to +180°C (+275 to +356°F)
Output
4-20mA active/passive
4-20mA HART® active/passive
pulse/frequency/binary
Input
Temperature
4-20mA active/passive
Communication Protocol
Modbus RTU/TCP
BACnet MSTP/IP
Profibus PA
FOUNDATION Fieldbus
M-Bus
System configuration and installation
For more detailed Information please download the Technical Specifications

Charakterystyka

  • SCA - Synchronized Channel Averaging function for difficult measuring points.
  • Transmitters available for FM Class I Division 2 and IECEx/ATEX Zone 2.
  • Stainless steel housing available.
  • Installation, commissioning and maintenance without process interruption.
  • Extremely high measuring dynamics - no need to reduce pipe diameters.
  • No flow range limitations - 0.01 to 60 m/s (0.03 to 197 ft/s).
  • Zero loss of pressure - zero loss of energy.
  • Bi-directional measurement.
  • Integrated mass flow measuring through the saturated steam curve and online measuring of temperature.
  • Advanced Meter Verification.
  • ISO 24062 compliant.
  • Flow disturbance correction to reduce required straight runs down to 2D inlet.

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