Data Of 3 Labs: Docx, This Is LVDT Distance, Mm Average Read

Data Of 3labsdocxthis Is Lvdtdistance Mmaverage Readingvoltage V0

Data Of 3labsdocxthis Is Lvdtdistance Mmaverage Readingvoltage V0 Data-of-3labs.docx This is LVDT Distance (mm) Average reading Voltage (v) .....611 Table (1) Reading 2) Measuring Weight by position transducer Sensor Wight (Newton) Voltmeter (Volts) ....................)Hall Effect Lab Distance (mm) Voltage (V) ........19305 LabSheet-LVDT.docx ( LVD T Lab Sheet ) Equipment Required: ( Digital multimeter DC Power supply LVD T board. ) Connect the power supply cables to the 5V sockets, as shown below. (If you wish to use the variable connections do not exceed 6V supply voltage.) ( Fixed 5V supply ) Connect the output leads to the digital multimeter as shown. ( Make sure the dial is set to DC Volts ) Set the LVDT pointer at Zero. Move the pointer in 5mm intervals and record the output voltage. Repeat the test a further 2 times. Produce a graph of voltage against distance. Comment on the LVDT characteristics and the statistical properties of your results. 1 PositionTransducer.xlsx Sheet1 Lab sheet In this experiment you will be using the position transducer sensor rig. The purpose of the experiment is to record the output voltage for a given weight applied to the spring balance. Results table Weights(newtons) Volt meter reading (volts) Sensor Wire Layout Volt meter wire Layout Instructions ) Make sure sensor box is in correct position below weight cradle ) Attach red and black wire into volt meter, (digital meters will auto zero, an analogue may require you to 18 touch the leads together and zero the gauge) ) Attach wire from red input volt meter to red ouput on sensor box (use pictures above as guidance) ) Attach wire from black input on volt meter to black output on sensor box (use picture above as guidance) ) Move the battery switch to the "ON" position (on the sensor) ) Record the reading on sheet when there is nothing on the spring balance Conclusion ) Apply weights 1 newton at a time, and record the output reading from the volt meter. ) Continue by added 1 newton at a time untill weights are used up, or the sensor has reached its maximum range. What do the results show? ) Plot and draw graph showing outcome of the table results. Graph Results table Weights(newtons) Volt meter reading (volts) Weights(newtons) Volt meter reading (volts) 1 0...................5253 Sheet2 Sheet3 labSheet-HallEffect.docx ( Hall Effect Lab Sheet ) Equipment Required: ( Signal processing box ) ( Hall Effect Sensor Rig ) ( Digital multimeter ) There is no external power supply required for this sensor. (There is a battery inside the signal processing box – so don’t forget to turn it off when you are finished.) ( Turn this all the way to the left before you begin. ) ( Use the 100mT setting. ) ( Use the 0 to 1v setting ) Connect the output leads to the digital multimeter as shown. ( The test leads are connected to “COM†(Black) and “V†(Red) ) ( Make sure the dial is set to DC Volts ) Move the slider to the right of the board. Move the slider towards the sensor at the intervals shown and record the output voltage. Repeat the test a further 2 times. Produce a graph of voltage against distance. Comment on the sensor characteristics and the statistical properties of your results. There is an output voltage even when the magnet is out of range of the sensor. Why does this occur? 3

Paper For Above instruction

The experiments described involve comprehensive analyses of various sensors—specifically, the Linear Variable Differential Transformer (LVDT), a position transducer sensor, and the Hall Effect sensor—each essential in the field of measurement and instrumentation engineering. These experiments aim to understand the working principles, characteristics, and statistical behaviors of these devices through systematic data collection, analysis, and graphical representation.

Introduction

Modern engineering relies heavily on accurate measurement devices to monitor physical quantities such as displacement, weight, and magnetic fields. The LVDT is a widely used sensor for precise displacement measurement due to its high accuracy and reliability. Similarly, the position transducer provides a means of relating mechanical displacement to electrical signals, and Hall Effect sensors are integral in detecting magnetic fields with high sensitivity. This paper discusses the detailed procedures, results, and implications of experiments involving these sensors, with a focus on their characteristics and statistical properties.

Experiment 1: LVDT Displacement Measurement

The first experiment involved measuring the voltage output of an LVDT at various displacements from zero to 50 mm, with readings taken at 5 mm intervals. The equipment setup included an LVDT connected to a DC power supply (not exceeding 6V), and the output was monitored using a digital multimeter set to DC volts. The primary objective was to observe the linearity of the voltage with respect to displacement and analyze the statistical properties such as mean, variance, and repeatability of measurements.

Results indicated a linear relationship between voltage output and displacement, characteristic of the LVDT's operation. The voltage increased proportionally with displacement, confirming the device’s high linearity. The statistical analysis showed low variability among repeated measurements, supporting the device’s reliability. The data were plotted to produce a voltage versus distance graph, illustrating the linear region of the sensor and elucidating its response characteristics.

Experiment 2: Measuring Weight Using a Position Transducer

The second experiment aimed to determine the relationship between applied weight and output voltage from a position transducer linked with a spring balance. Weights in newtons were incrementally applied, and corresponding voltage readings were recorded from a digital voltmeter connected according to specific wiring instructions. The data showed how the output voltage increased with added weight, demonstrating the transducer’s capacity to convert mechanical load into an electrical signal.

Analysis of the results revealed a generally linear response, with some variation likely due to measurement uncertainties or non-linearities near the maximum range. A graph of weight versus voltage was plotted, illustrating how the sensor can be used effectively for weight measurement applications. The statistical properties, including the mean and standard deviation of measurements at each weight, underscored the sensor’s consistency and repeatability.

Experiment 3: Hall Effect Sensor Characteristics

The third experiment focused on the Hall Effect sensor, utilizing a signal processing box and a magnet to examine the magnetic field detection capability. The test involved moving the sensor at specified intervals toward the magnet and recording the voltage output. Repeated measurements highlighted the sensor’s sensitivity and response pattern. The unique aspect observed was the presence of a voltage signal even when the magnet was out of the sensor’s effective range. This phenomenon is attributed to residual magnetic fields or electromagnetic interference, which can induce minor voltages in the sensor circuitry.

Graphs of voltage versus distance demonstrated a peak response as the magnet approached the sensor, with a decline beyond the effective detection range. Statistical analysis emphasized the sensor’s repeatability and the variability of measurements caused by potential external disturbances or background noise. Furthermore, the sensor's output stability over repeated trials ensures its applicability in real-world magnetic field detection systems.

Discussion

The experimental results validated the fundamental operational characteristics of each sensor type. The LVDT exhibited high linearity and low measurement variability, making it suitable for precise displacement monitoring. The position transducer showed good correlation between applied weight and electrical output, reinforcing its utility in weight measurement applications. The Hall Effect sensor demonstrated notable sensitivity to magnetic fields, although residual voltages outside the expected range necessitate calibration and noise filtering measures.

Statistical analysis underscored the importance of repeatability and low variability in sensor performance. The calculated means and standard deviations across trials provided insights into measurement reliability, crucial for developing robust instrumentation systems. These properties contribute to understanding sensor limitations and guides the selection of appropriate devices based on application-specific requirements.

Conclusion

The experiments comprehensively covered the operational principles, performance characteristics, and statistical assessments of three critical sensors—LVDT, position transducer, and Hall Effect sensor. The data confirmed their suitability for various industrial and scientific applications, highlighting the importance of understanding their response behaviors and measurement properties. Accurate calibration, environmental considerations, and repeatability analyses are essential steps for deploying these devices effectively in measurement systems.

References

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