Magnetostrictive: The movable position magnet generates a magnetic field in the waveguide, a second magnetic field is created radially around the waveguide by the introduction of current or “interrogation pulse”. The interaction between these two magnetic field creates a “strain pulse” which travels down the waveguide. The position and speed of motion are determined by the elapsed time between the interrogation pulse and the arrival of the strain pulse. |
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Hall Effect: The movable position magnet generates a voltage drop in “Hall Effect” chips which are positioned down the length of the waveguide. A microprocessor controls and receives signals from the Hall Effect chips and correlates the voltage drop over the chips to a proportional output.
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Both Technologies Offer
- Solid state designs
- Voltage, Current, PWM and CANBUS outputs
- Rugged package to withstand vibration and shock loads
- Built-in redundancy optional
- Special sensor designs are available
Contact your Prince Manufacturing representative to explain the subtle differences between each and help you select the sensor that will best meet your requirements