Calibration of Temperature and Pressure Sensors

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CALIBRATION OF TEMPERATURE AND PRESSURE SENSORS

Mechanical Engineering Department
Loyola Marymount University
Los Angeles, California

ABSTRACT
In this laboratory experiment, an Omega Model PX- 236-060GV piezoresistive pressure transducer was calibrated, by using an AMTEK model deadweight pressure tester. For the temperature calibration an Jofra Model C-140 temperature calibrator was used. The experiment began by setting up the Jofra Model C-140 temperature calibrator, and taking data from two systems, which were different temperatures. Then the lab went into measuring the outputs of the pressure transducer at different pressures. In conclusion the pressure calibrator and temperature calibrator were proved to be accurate in their measurements through the use of plots, data analysis and statistical analysis methods.

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TABLE OF CONTENTS

Section Page

Introduction 3

Theory

Experimental Procedure

Results and Discussion

Conclusions and Recommendations

References

Appendices Appendix A

INTRODUCTION
The goal of this lab project was to calibrate temperature and pressure measurement systems. The systems we calibrated, were the Omega Model PX-236-060GV Piezoresistive Pressure Transducer, a thermocouple, and a thermistor. In order to obtain more accurate and precise readings, an AMTEK Model RK Deadweight Pressure Tester was utilized to calibrate an Omega Model PX236-06GV Piezoresistive Pressure Transducer. We had to add metal plates in increments of 5 psig until we reached 60 psig to a deadweight tester. The way we used the results was by using them to calculate the percent error and standard deviation. The results that were expected were that this calibration experiment would use two methods of calibration which both would work well. These results



References: | Figure : Temperature calibration system (Angelica, 2010) | | Figure : Pressure calibration system (Angelica, 2010) |

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