Common malfunctions of displacment sensor！

The working principle of the straight line is the same as the sliding rheostat, it is used as a voltage divider,
 Displacement sensor (Figure 5) It is the relative output voltage to show the actual position of the measured position. There are several requirements for the work of this device:
1, if the electronic scale has been used for a long time, and the seal has been aging, while mixed with a lot of impurities, and water mixture and oil will seriously affect the brush contact resistance, this will make the figures kept beating. This time can be said that the linear displacement sensor electronic scale has been damaged, need to be replaced.
2, if the power capacity is very small, there will be a lot of circumstances, so the power supply needs to have sufficient capacity. Then, the capacity is insufficient, it will cause the following situation: the movement of the melt will make the mold of electronic scale display changes, there are fluctuations, or mold movement will make the display of electronic scale fluctuations, resulting in a large error measurement results. If the solenoid valve drive power from the linear displacement sensor power supply at the same time together, more prone to the above situation, the situation is serious with a multimeter voltage file can even measure the voltage fluctuations. If the situation is not due to high frequency interference, electrostatic interference or neutral is not good enough to cause, then there may be power supply is too small.

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