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Flexim-FLUXUS F731 TE-Heat and Cold Metering in any Environment

Flexim FLUXUS F731 TE - Heat and Cold Metering in any Environment

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Product Description

The Flexim FLUXUS F731 TE is specially designed for heating and cooling thermal energy measurement, measuring flow, temperature, and calculating thermal energy - all by one device. Calculations are carried out in accordance with EN 1434 Thermal Energy meter standards and the F731 TE 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.

Specifications

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
Power supply
90-264VAC
11-32VDC
Pipe size
6 to 6500 mm (0.24 to 255.9 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
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

Features

  • Virtually unlimited application range - even at extreme temperatures from -200 up to +630 °C (-328 up to +1166 °F).
  • Integrated thermal energy calculation.
  • Highly accurate flow measurement with paired and traceable calibrated ultrasonic transducers.
  • Highly accurate temperature measurement with paired and traceable calibrated temperature sensors (according to DIN EN 1434-1).
  • Extremely high measuring dynamics from the lowest to the highest flow velocities - captures even the slightest flows at nighttime.
  • Simple, cost-effective retrofitting without any disruption to supply.
  • Tamper-proof storage of measuring data.
  • Advanced Meter Verification.
  • ISO 24062 compliant.
  • Flow disturbance correction to reduce required straight runs down to 2D inlet.

Documents & Drawings