Measurement and Instrumentation: Hall Effect Sheet - Lab Report Example

These devices are most commonly used in industries either to calculate the revolutions of a wheel or to evaluate the respective timing of the revolutions. On the other hand, displacement is also encountered with these types of sensors due to their high credibility. The construction of the sensor may differ depending on the applications these devices are used in (New robust Hall effect rotary sensor, 2006). When the magnetic field of lines deflects the straight beam of highly charged particles, the bean is deflected due to the magnetic field.

In this manner, the straight path of the charged particles does not remain straight. In general, a Hall plate has a fixed flow of electrons from the plate in the form of an electron beam. However, in the respective magnetic field, the beams get deflected due to the magnetic flux, and less current flows through the plate. The voltages that appear over the positive and negative terminals of the plate are Hall voltages (Zheng and Zhang, 2014). 1. Make the Hall Effect Sensor board by fixing the Hall Effect sensor to the board.

After fixing the Hall Effect sensor, mark the board with scaled numeric values with the help of a marker and scale. The marking should be as 0 mm at the null position, (where the head of the Hall Effect sensor is there) and with intervals of 20 mm. The highest marked number should be 160mm. Carefully select the scale and mark it appropriately and clearly. 3. Connect the probe of the Hall Effect Sensor to the Signal processing unit. Connect the probes of the Digital DC voltmeter to the output measurement of the signal processing unit.

Use the 0 to 1-volt setting at the Signal Processing unit to calculate the output. Use the 100mT setting. Turn the zero dial to the left before you begin. In the experiment, it is quite clear that as the magnetic field goes away from the Hall Effect Sensor, the voltage signal gains strength. However, a little difference is evaluated as the magnetic field crosses 160mm on the scale. According to the graph, the voltage signal increases linearly. However, a rapid change in voltage signal is observed until 40mm on the scale; while after that the increase in voltage signal is slow. The average is calculated to verify the results. It is better to take two or three readings by repeating the experiment.