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Turbine flow sensor Type VTH40

 

Product description

Possible areas of application Turbinen Durchflusssensor VTH40

SIKA VTH40 turbine flow sensors are used for flow measurement and dosage in water and water mixtures, and are used in many applications such as:

  • Monitoring cooling circuits in machine and plant engineering
  • Water treatment
  • Cleaning processes
  • Dosing

 

Description

Measuring principle
The liquid flowing into the turbine flow sensor is split into individual jets by the guiding blade. These jets hit the rotor evenly from different directions, setting the rotor in motion. The rotation speed of the rotor is then converted to an electrical pulse signal (frequency): The rotor is fitted with magnets and a Hall effect sensor detects the rotation of the rotor.
A flow-proportional frequency signal (square-wave signal) is made available.
The construction of the guiding blade and rotor enables to realize the very low start-up flow values.
 

Technical features

Technical features

Economy-priced type for standard and serial applications
Material pipe section Brass
Measurement range 0.4...25 m³/h (6.7...417 l/min)
Accuracy
 
±7 % of the measured value between 0.4...3 m³/h
±5 % of the measured value between 3...25 m³/h
Reproducibility ±0.5 %
Medium temperature

Max. 85 °C

Pressure rating PN 10
Nominal Diameter DN 40
Process connection G 2 male thread, supplementary screwed connection recommended
Sensor Hall effect sensor
Pulse output 26.6 pulses/litre
Electrical connection 2 m PVC cable, screened (Tmax = 75 °C)

Power supply
 

10...30 VDC
optional 4.5...26.5 VDC
Degree of protection IP54

 

Further details and accessories can be found in the datasheet.

 

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