Nov 29
in Aplisens

Pitot Tube Flow Sensor

Pitottube Flow Sensor from AplisensThe PRP Pitot Tube Flowsensor measures the flow in pipes and ducts according to the differential pressure working principle. It allows bidirectional flow with low pressure loss, low maintenance and installation cost and accurate long term reading.

 

pitottube description flow sensor AplisensThe PRP Pitot Tube Flow Sensor from Aplisens uses the differential pressure principle based on the basics of Bernoulli. A rectangular design of the PRP sensor profile is divided diagonally into two symmetrically constructed chambers with sensing holes (dp-tappings). The chamber facing to the upstream generate a higher pressure (p+) and the chamber in the downstream a lower pressure (p-). Several dp-tappings along the ensor profile provide a steady averaging of the flow velocity. This facilitates exact metering even with irregular flow profiles. Each chamber is connected to the corresponding side of a differential pressure transmitter. The value of the differential pressure is the measure to determine the flow. With increasing flow the dp increases. A differential transmitter converts the dp into an electrical signal (i.e. 4-20mA) that is transmitted to the process control system.

 

Pitottube

Advantages

  • Long-term accuracy
  • Low installation costs
  • Short up/down straight pipe run requirements
  • Low permanent pressure loss
  • Cost effective
  • Low maintenance, bi-directional flow measurement

Technical specification

  • Pipe diameters: 40 to 2500 mm
  • Operating pressure: up to PN100
  • Operating temperature: -50° C to +450°C
  • Sensor material : Stainless steel M.-Nr. 1.4571 (316Ti)
  • Differential pressure ports: ½” NPT, R ½” flange plate
  • Process connection: welded coupling, flanged version (DIN, ANSI)
  • End support: Pipe thread with cap, flanged version (DIN, ANSI)

PDF Pitot Tube Flow Sensor PRP

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