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Flowmeter bench


Service : Power supply: 230 V, 50 Hz, 500 W
Clean water: 4 bar, 20 ° C, for filling
Water evacuation near the bench for emptying
Dimensions : 2330 x 855 x 2120 mm
Poids : ~150kg

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This bench allows the study of industrial flow meters by comparing their measurement technique and their accuracy.

  • Study of the implantation of the sensors
  • Study of the different cases of applications
  • Calibration of the sensors
     

 Determination of sensor characteristic curves and their accuracy

A centrifugal pump draws a non-compressible fluid (water) from a buffer capacity; this fluid is distributed via a membrane regulating valve and a float flowmeter on two pipes on which different flow sensors are mounted: a vane flowmeter, an electromagnetic flowmeter, a vortex flowmeter on the one hand, VENTURI and a standard diaphragm on the other hand (these two pressure-reducing devices are connected to a differential pressure sensor). The circulating fluid in closed circuit is returned to the buffer capacity.
The device is mounted on a stainless steel chassis, equipped with six adjustable feet.

 

Description technique :
  • A tank with emptying and racking.
  • A centrifugal pump, stainless steel, three-phase.
  • A variable speed drive allows, according to a flow setpoint from one of the flowmeters to regulate the speed of the pump.
  • A float flowmeter.
  • A pipe with a selection valve comprising:
  • Pallet Flowmeter - For low viscosity liquids (A plastic finned turbine rotates in relation to the flow on an axis.An O-magnet transmits this rotation to a Hall sensor mounted outside the housing. coupled to the sensor converts the frequency into instantaneous flow)
  • A vortex flowmeter, output 4 to 20 mA with compact transmitter and local display.
  • A pipe with a selection valve comprising:
  • VENTURI tube, DN25, in Altuglas with "U" pressure gauge and connection for differential pressure sensor,
  • One diaphragm, DN25, in Altuglas with U-gauge and connection for differential pressure sensor,
  • A differential pressure sensor, output 4 to 20 mA connected to an indicator with extraction of square root for determination of the flow.
  • A vertical pipe, comprising an electromagnetic flowmeter for conducting liquids (A voltage is induced in the fluid which is sensed by two measuring electrodes and informs a converter on the speed of the fluid), DN15, output 4 to 20 mA (protocol Hart) with compact transmitter and local display.
  • An electrical box, waterproof IP 55, including:
  • A lockable disconnector
  • A power-on LED
  • A key emergency stop
  • A speed variator
  • A 4-position selector for selecting the regulator input (choice of measurement)
  • A flow indicator
Options :
Ultrasonic Flowmeter
Mass flow meter (Coriolis force) for all liquids
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