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SIKA

VTL 20 Turbine Flow Sensor

The SIKA VTL 20 turbine flow sensor is made for flow measurement or dosing applications for liquids. Because of the very compact design, the extensive measuring range and the convincing precision of measurements, almost unlimited applications are possible. The sturdy bearing materials - sapphire and tungsten carbide - also guarantee an exceptionally long endurance.

Price and delivery time will be given on request
Material pipe section Brass
Measurement range 1...42 l/min - with continuous operation max. 25 l/min
Accuracy ±1 % of range ±3 % of reading (from 15 l/min
Repeatability ±0.2 l/min
Signal output From 0.25 l/min
Medium temperature 0...85 °C
Pressure rating PN 16
Nominal diameter DN 20
Process connection G1 male thread
Sensor Hall effect sensor
Pulse rate / K-factor 116 pulses/l
Electrical connection 2m PVC cable, shielded (Tmax = 75 °C)
Power supply 4.5...24 VDC
Degree of protection EN 60529 IP54
Max. particle size in the medium < 0.63 mm

The SIKA VTL 20 turbine flow sensor is made for flow measurement or dosing applications for liquids. Because of the very compact design, the extensive measuring range and the convincing precision of measurements, almost unlimited applications are possible. The sturdy bearing materials – sapphire and tungsten carbide – also guarantee an exceptionally long endurance.

The liquid flowing into the SIKA VTL 20 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.

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Christiaan

Christiaan van Mourik

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