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analog angle sensor MCW1E Magnetic Potentiometer
analog angle sensor MCW1E Magnetic Potentiometer

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1.Measure and control angle
2.Non contact, no friction and long lifetime
3.Good frequency response

     Principle

As following figure shows, two doroid magnetic resistances form ring bridge structure. Hemicycle magnetic field generated by hemicycle permanent magnet is perpendicular to the plane where magnetic resistances are located. DC voltage Vin is applied on 1 and 3 terminals of magnetic resistance bridge. Each time permanent magnet turns around the axle center of ring magnetic resistance one cycle, one cycle of similar triangular wave signal (or sine wave ) will be output from 2 terminal and its effective linear range is 90°. Beyond 90°, the linear is not good

Technical parameters

Operating voltage

1-12V,DC

Temperature drift

less then 0.7mV/°C

Output sensitivity

more then 2%Vin/10°,±45°)

Operating temperature

-10-70°C

Independent linearity

less then 2%,(±45°)

Insulation resistance

more then 100MΩ

Resolution

Continuous

Turning moment

less then 0.5g.cm

Input impedance

more then 3KΩ

Level of protection

IP65

Maximum linear range

±45°

Mechanical turning

0-360°

Application

  1.Heat stylus electrocardiograph control

  2. Measure and control electric valve opening angle

  3. Control tension in textile and paper-making machinery etc

  4. Liquid level measuring and controlling system

  5. Angle measuring and controlling system

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