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Title: Peristaltic pump-based low range pressure sensor calibration system

Abstract

Peristaltic pumps were normally used to pump liquids in several chemical and biological applications. In the present study, a peristaltic pump was used to pressurize the chamber (positive as well negative pressures) using atmospheric air. In the present paper, we discuss the development and performance study of an automatic pressurization system to calibrate low range (millibar) pressure sensors. The system includes a peristaltic pump, calibrated pressure sensor (master sensor), pressure chamber, and the control electronics. An in-house developed peristaltic pump was used to pressurize the chamber. A closed loop control system has been developed to detect and adjust the pressure leaks in the chamber. The complete system has been integrated into a portable product. The system performance has been studied for a step response and steady state errors. The system is portable, free from oil contaminants, and consumes less power compared to existing pressure calibration systems. The veracity of the system was verified by calibrating an unknown diaphragm based pressure sensor and the results obtained were satisfactory.

Authors:
 [1]; ;  [2];  [3]
  1. Department of Instrumentation and Applied Physics, Indian Institute of Science, Bangalore 5600012 (India)
  2. Centre for Nano Science and Engineering, Indian Institute of Science, Bangalore 5600012 (India)
  3. Department of Electronic Systems Engineering, Indian Institute of Science, Bangalore 5600012 (India)
Publication Date:
OSTI Identifier:
22482623
Resource Type:
Journal Article
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 86; Journal Issue: 11; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0034-6748
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; AIR; CALIBRATION; CLOSED-LOOP CONTROL; DIAPHRAGM; ERRORS; LEAKS; OILS; PRESSURIZATION; PUMPS; SENSORS

Citation Formats

Vinayakumar, K. B., Department of Electronic Systems Engineering, Indian Institute of Science, Bangalore 5600012, Naveen Kumar, G., Rajanna, K., E-mail: kraj@isu.iisc.ernet.in, E-mail: krajanna2011@gmail.com, Nayak, M. M., and Dinesh, N. S. Peristaltic pump-based low range pressure sensor calibration system. United States: N. p., 2015. Web. doi:10.1063/1.4935837.
Vinayakumar, K. B., Department of Electronic Systems Engineering, Indian Institute of Science, Bangalore 5600012, Naveen Kumar, G., Rajanna, K., E-mail: kraj@isu.iisc.ernet.in, E-mail: krajanna2011@gmail.com, Nayak, M. M., & Dinesh, N. S. Peristaltic pump-based low range pressure sensor calibration system. United States. https://doi.org/10.1063/1.4935837
Vinayakumar, K. B., Department of Electronic Systems Engineering, Indian Institute of Science, Bangalore 5600012, Naveen Kumar, G., Rajanna, K., E-mail: kraj@isu.iisc.ernet.in, E-mail: krajanna2011@gmail.com, Nayak, M. M., and Dinesh, N. S. 2015. "Peristaltic pump-based low range pressure sensor calibration system". United States. https://doi.org/10.1063/1.4935837.
@article{osti_22482623,
title = {Peristaltic pump-based low range pressure sensor calibration system},
author = {Vinayakumar, K. B. and Department of Electronic Systems Engineering, Indian Institute of Science, Bangalore 5600012 and Naveen Kumar, G. and Rajanna, K., E-mail: kraj@isu.iisc.ernet.in, E-mail: krajanna2011@gmail.com and Nayak, M. M. and Dinesh, N. S.},
abstractNote = {Peristaltic pumps were normally used to pump liquids in several chemical and biological applications. In the present study, a peristaltic pump was used to pressurize the chamber (positive as well negative pressures) using atmospheric air. In the present paper, we discuss the development and performance study of an automatic pressurization system to calibrate low range (millibar) pressure sensors. The system includes a peristaltic pump, calibrated pressure sensor (master sensor), pressure chamber, and the control electronics. An in-house developed peristaltic pump was used to pressurize the chamber. A closed loop control system has been developed to detect and adjust the pressure leaks in the chamber. The complete system has been integrated into a portable product. The system performance has been studied for a step response and steady state errors. The system is portable, free from oil contaminants, and consumes less power compared to existing pressure calibration systems. The veracity of the system was verified by calibrating an unknown diaphragm based pressure sensor and the results obtained were satisfactory.},
doi = {10.1063/1.4935837},
url = {https://www.osti.gov/biblio/22482623}, journal = {Review of Scientific Instruments},
issn = {0034-6748},
number = 11,
volume = 86,
place = {United States},
year = {Sun Nov 15 00:00:00 EST 2015},
month = {Sun Nov 15 00:00:00 EST 2015}
}