A didactic experiment to evaluate the calibration of pressure gauges in low-medium vacuum range

Abstract The present study shows a didactic experiment, carried out in the Physics Institute of the University of São Paulo, evaluating the differences among measurements of four distinct pressure gauges (Pirani, thermocouple, and two thermistors), when compared to a McLeod standard gauge, in low-me...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 1826; no. 1; p. 12001
Main Authors Rodrigues Filho, B A, Fagundes, L M F, Medina, N H
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.03.2021
Subjects
Calibration
Evaluation
Experiments
Physics
Pressure gages
Pressure gauges
Thermistors
Thermocouples
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Summary:Abstract The present study shows a didactic experiment, carried out in the Physics Institute of the University of São Paulo, evaluating the differences among measurements of four distinct pressure gauges (Pirani, thermocouple, and two thermistors), when compared to a McLeod standard gauge, in low-medium vacuum, ranging from 10 0 Pa to 10 1 Pa. The experiment aims to evaluate the measurement differences between four distinct pressure gauges and a standard. The results show that all tested gauges presented different results, demonstrating that calibration is necessary in order to have a full understanding of the measurement results of the tested pressure gauges.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1826/1/012001