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Flexim-FLUXUS F721TE Heat and Cold Metering in any Environment

Flexim FLUXUS F721TE Heat and Cold Metering in any Environment

Product Description

The Flexim FLUXUS F721TE is specially designed for heating and cooling Thermal Energy measurement, with all measurements - Flowmeter, Temperature, and BTU computer, contained in one device. Calculations are done in accordance with EN 1434 Thermal Energy meter standard and the F721TE measures the volumetric flow rate non-intrusively via its clamp-on ultrasonic transducers. Simultaneously, temperature probes monitor the temperatures at the supply and return lines of the heating or cooling system - either non-intrusively with clamp-on sensors or by use of insertion temperature probes. It can be equipped with two measurement channels to measure two pipes simultaneously and allow complete monitoring and accurate measurements.

Fluid type
Water, water-glycol, typical heat transfer fluids
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
10 to 2400 mm (0.39 to 94.5 inch)
Pressure range
-
Temperature range (media)
-40 to +240°C (-40 to +464°F)
Output
4-20mA active/passive
4-20mA HART active/passive
pulse/frequency/binary
voltage
Input
Temperature
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

Charakterystyka

  • Virtually unlimited application range - even at extreme applications (from -190 °C uo to +630 °C)
  • Accurate thermal energy measurement due to:
    highly accurate flow measurement with paired and traceable calibrated ultrasonic transducers
    highly accurate temperature measurement with paired and traceable calibrated temperature sensors (acc. to DIN EN 1434-1)
  • Extremely high measuring dynamics from the lowest to the highest flow velocities - captures even the slightest flows at night time
  • Simple, cost-effective retrofitting without any disruption to supply
  • Tamper-proof storage of measuring data
  • Ready for Advanced Meter Verification

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