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Flow

SIKA

VTH 40 Turbine Flow Sensor

The SIKA VTH 40 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 0.4...25 m³/h (6.7...417 l/min)
Accuracy ±7 % of the measured value between 0.4...3 m³/h
Accuracy ±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 G2 male thread, supplementary screwed connection recommended
Sensor Hall effect sensor
Pulse output 26.6 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 40 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 40 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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