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SIKA

VTH 25 Turbine Flow Sensor

The SIKA VTH 25 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 /Plastic PP
Measurement range 4...160 l/min - with continuous operation max. 80 l/min
Accuracy ±5 % of measured value (up to 5 l/min 7 % of measured value)
Reproducibility ±0.5 %
Medium temperature Brass Max. 85°C
Medium temperature Plastic Max. 80°C / 2 bar Max. 60°C / 5 bar Max. 30°C / 10 bar
Pressure rating PN 10
Nominal diameter DN 25
Process connection G 1¼ male thread
Sensor Hall effect sensor
Pulse output 65 pulses/litre
Electrical connection 2m PVC cable, screened (Tmax = 75 °C)
Power supply 10...30 VDC optional 4.5...26.5 VDC
Degree of protection IP54

The SIKA VTH 25 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 VTH 25 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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