SUP-LWGY Turbine flow sensor thread connection
Turbine flow sensor turbine sensor turbine flow sensor thread commection water turbine flow sensor

SUP-LWGY Turbine flow sensor thread connection

SUP-LWGY series liquid turbine flow sensor is a kind of speed instrument, which has the advantages of high accuracy, good repeatability, simple structure, small pressure loss and convenient maintenance. It is used to measure the volume flow of low viscosity liquid in closed pipe.


  • Pipe diameter: DN4~DN100
  • Accuracy: 0.2%  0.5%  1.0%
  • Power supply:  3.6V lithium battery; 12VDC; 24VDC
  • Ingress protection: IP65


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  • Specification

Product: Turbine flow sensor


Diameter Nominal: DN4~DN100

Nominal Pressure: 6.3MPa

Accuracy: 0.5%R, 1.0%R 

Medium Temperature: -20℃~+120℃

Power Supply: 3.6V lithium battery; 12VDC; 24VDC

Output Signal: Pulse, 4-20mA, RS485(With transmitter)

Ingress protection: IP65


  • Principle

The fluid flows through the turbine flow sensor shell. Because the blade of the impeller has a certain angle with the flow direction, the impulse of the fluid makes the blade have rotation torque. After overcoming the friction torque and fluid resistance, the blade rotates. After the torque is balanced, the speed is stable. Under certain conditions, the speed is proportional to the flow rate. Because the blade has magnetic conductivity, it is in the position of signal detector (composed of permanent magnetic steel and coil) )of the magnetic field, the rotating blade cuts the magnetic line of force and periodically changes the magnetic flux of the coil, so that the electric pulse signal is induced at both ends of the coil.