Fixed Energy meter - F704

  • Flow Velocity
    0.01...25 m/s
  • Measuring Functions
    Physical Quantities:volumetric flow rate, mass flow rate, flow velocity,heat flow (if temperature inputs are installed)
  • Data Logger
    Capacity > 100 000 measured values
  • Housing Material
    Aluminum, powder coated
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FLUXUS® F704 - The ultrasonic flow meter for permanent installation

The FLUXUS® F704 is FLEXIM's flow meter for permanent installation in nearly any liquid flow metering application - especially in the industrial environment. Its non-intrusive measurement technology ensures a precise bi-directional, highly dynamic flow measurement over a wide turndown ratio.

Enclosed in a robust metal field housing, the F704 flow meter is completely water-tightand designed for usage in rough environments. As the transducers are mounted on the outside of the pipe wall in rugged 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. Process interruptions or even production stops are a thing of the past with the F704.

Due to its matched and paired transducers as well as the internal temperature compensation (compliant to ANSI/ASME regulations), 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 the set-up times are significantly reduced. As of its exceptional dual-uP technology, the high number of measuring cycles per second and the adaptive signal processing, the FLUXUS® F704 flow meter produces stable and reliable measuring results even under the most difficult conditions.

The FLUXUS F704 is delivered with one or two flow measurement channels. Additionally, it can be equipped with various outputs and up to 4 process inputs. The input quantities (e.g. temperature or pressure) can be used by the flowmeter together with the measured flow for the calculation of further quantities: e.g. energy, mass flow, etc.

Technical Data:

General Specification
flow velocity

0.01...25 m/s

repeatability  0.15 % of reading ±0.01 m/s
medium

all acoustically conductive liquids with < 10 % gaseous or solid content in volume (transit time difference principle)

Accuracy (volumetric flow rate) 

with standard calibration: ±1.6 % of reading ±0.01 m/s

with advanced calibration (optional): ±1.2 % of reading ±0.01 m/s

with field calibration: ±0.5 % of reading ±0.01 m/s

housing material aluminum, powder coated
Transmitter degree of protection IP65
power supply 100...230 V/50...60 Hz or
20...32 V DC
display 2 x 16 characters, dot matrix, backlight
physical quantities volumetric flow rate, mass flow rate, flow velocity,
heat flow (if temperature inputs are installed)
totalizer volume, mass, optional: heat quantity
Data Logger capacity > 100 000 measured values
loggable values all physical quantities, totalized values and diagnostic values
SD card, removable (optional) loggable values: all physical quantities and totalized values with min. 2 GB capacity
Communication Interface - process integration (optional): RS485 (emitter) or Modbus RTU or HART or BACnet MS/TP or SD card
- diagnosis: RS2321
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