Gas Ultrasonic Flow Meter for Permanent Installation - G721

  • Flow Velocity
    0.01...35 m/s
  • Measuring Functions
    Physical Quantities: operating volumetric flow rate, standard volumetric flow rate, mass flow rate, flow velocity
  • Data Logger
    Capacity: max. 800 000 measured values
  • Process integration
    measured value transmission, configuration and parametrization (transmitter): Modbus TCP or HART or FF H1 or Profibus PA or measured value transmission: RS485 (emitter) or Modbus RTU or BACnet MS/TP or BACnet IP or measured value transmission, configuration, parametrization: USB, Ethernet
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FLUXUS G721 - Setting Standards

The FLUXUS G721 is a technological breakthrough in the ultrasonic clamp-on volume and mass flow measurement of gases.

With its new hardware design and improved, powerful digital signal processing it surpasses any other non-intrusive ultrasonic flowmeter in terms of accuracy, reliability and versatility.

Highly sophisticated signal filters, faster than ever processing capacities and substantially improved measurement algorithms make the FLUXUS G721 flow meter a state-of-the-art measuring solution even for the most challenging applications.
The meter adapts itself automatically to the respective measurement conditions and compensates for perturbations such as beam dispersal and
structure-borne noise, allowing for even more precise and reliable measurements. Extreme fast measurement cycles allow for precise real time monitoring of highly dynamic processes.

Technical Data:

General Specification
flow velocity

0.01...35 m/s, depending on pipe diameter

repeatability  0.15 % of reading ±0.01 m/s
medium

all acoustically conductive gases,
e.g. nitrogen, air, oxygen, hydrogen, argon, helium, ethylene, propane

Accuracy (volumetric flow rate) 

± 1...3 % of reading ±0.01 m/s depending on application
± 0.5 % of reading ±0.01 m/s with field calibration

housing material aluminum, powder coated or stainless steel 316L (1.4404)
Transmitter degree of protection IP66
number of flow measuring
channels
1, optional: 2
power supply 100...230 V/50...60 Hz or
20...32 V DC or
11...16 V DC
display 128 x 64 dots, backlight
physical quantities operating volumetric flow rate, standard volumetric flow rate, mass flow rate, flow velocity
totalizer volume, mass
Data Logger capacity max. 800 000 measured values
loggable values all physical quantities, totalized values and diagnostic values

serial data kit (optional)

software

FluxDiag: online diagnostics and report generation (min. Windows 7)
Communication process integration measured value transmission, configuration and parametrization (transmitter):
Modbus TCP or HART or FF H1 or Profibus PA
or
measured value transmission: RS485 (emitter) or Modbus RTU or BACnet MS/TP or BACnet IP
 measured value transmission, configuration, parametrization: USB, Ethernet
Outputs switchable current output, Current, Voltage, Frequency, binary
Inputs Temperature, Current, Voltage, Binary
Explosion Protection

For Transmitter: Zone 2

For Transducer: Zone 1 or Zone 2

Oil & Gas

Chemical

Petrochemical

Power Generation

Energy Management (compressed air)