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Flexim-FLUXUS G721 ST-LT Non-Intrusive Steam Flow Measurement

Flexim FLUXUS G721 ST-LT Non-Intrusive Steam Flow Measurement

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Product Description

The Flexim FLUXUS G721 ST-LT is a non-intrusive, high-performing ultrasonic clamp-on flow meter capable of measuring steam up to 356°F. With up to two measuring channels optimum recording is possible even with difficult flow condition. An optional stainless-steel housing and FM Class I Div. 2 certification allows 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 0.03 ft/s and does not need any reduction to the diameter of the pipe to artificially increase the flow velocity.

Specifications

Accuracy
Measurement uncertainty of the measuring system (volumetric flow rate): ±0.3% of the measured value ±0.02 ft/s
Measurement uncertainty at the measuring point (volumetric flow rate): ±1… 3% of the measured value ±0.02 ft/s, depending on application
Repeatability
±0.15% of the measured value ±0.02 ft/s
Flow Channels
1 or 2
Process Media
Saturated steam and superheated steam
Process Temperature
max 365°F

Max. 329°F FM Class I Div. 2
Process Pressure
min. 44psi absolute
Pipe Size
0.91 inch to 39.4 inch
Range
Flow Velocity Range: 0.03 ft/s…200 ft/s (depending on pipe size and transducer)
Certifications/Approvals
FM Class I Div. 2
Communication Protocol
Modbus TCP, Modbus RTU, BACnet TCP, BACnet MS/TP, M-Bus, Profibus PA, FF H1
Digital communication
USB Interface
Output
2 or 4 4-20 mA active/passive
3 digital (impulse, binary or frequency)
Input
1 or 2 Pt 100/ Pt1000
<1 or 2 4-20 mA active/passive

Features

  • SCA - Synchronized Channel Averaging function for difficult measuring points
  • Transmitters available for FM Class I Div 2 and IECEx/ATEX Zone 2 
  • Stainless steel housing available 
  • non-intrusive measuring principle 
  • Installation, commissioning and maintenance without process interruption. 
  • Extremely high measuring dynamics - no need to reduce pipe diameters. 
  • Zero loss of pressure - zero loss of energy. 
  • Bidirectional measurement 
  • Integrated mass flow measuring through the saturated steam curve and online measuring of temperature.
  • Advanced Meter Verification Available

Documents & Drawings