Fixed Gas Flow meter for Racks - G709

  • 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 > 100 000 measured values
  • Fixation
    19 " rack mounting
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The permanent Gas flow meter G709 - The Rack Version 

The FLUXUS® G709 gas flow meter is the 19" rack version of the G704 permanent gas flow meter. Internally identical to the FLUXSU G704, its non-intrusive measurement technology ensures a precise bi-directional, highly dynamic gas flow measurement of operational and standard volume flows.

As the transducers are mounted on the outside of the pipe wall and enclosed in the stainless steel VARIOFIX mounting fixtures, the system does not suffer from wear and tear or clogging, can't be a risk for leaks and will not cause any pressure drops inside the pipe.

Due to its matched and paired transducers as well as the internal temperature compensation (compliant to ANSI/ASME) the measurement system is drift free and zero stable ensuring accurate readings. Moreover, as the transducer calibration data is automatically loaded by connecting the transducer to the transmitter, set-up times are reduced and precise, long-term stable results are provided.

Technical Data:

General Specification
flow velocity

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

repeatability  0.15 % of reading ±0.01 m/s

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
Transmitter degree of protection IP20
power supply 100...230 V/50...60 Hz or
20...32 V DC
display 2 x 16 characters, dot matrix, backlight
physical quantities operating volumetric flow rate, standard volumetric flow rate, mass flow rate, flow velocity
totalizer volume, mass
Data Logger capacity > 100 000 measured values
loggable values all physical quantities, totalized values and diagnostic values
fixation 19 " rack mounting
Communication Interface - process integration (optional): RS485 (emitter) or Modbus RTU or HART or BACnet MS/TP
- diagnosis: RS232
Outputs switchable current output, Current, Voltage, Frequency, binary
Inputs Temperature, Current, Voltage, Binary
Explosion Protection

For Transducer: Zone 1 or Zone 2

Chemical Industry

Manufacturing industry

Oil & Gas sector