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Ultrasonic sensors of 500 kHz frequency have been used to study the measuring of gas pressure in the range 1.33 × 103–2.026 × 105 Pa. From the experimental data it was observed that amplitude of the transmitted ultrasound was dependent on gas pressure. The results confirm that by using appropriate instruments including sensors and electronic devices, pressure of the gas can be successfully measured by measuring the magnitude of the received signal. The proposed method is expected to be applied to develop as new vacuum pressure measurement instrument.
Published in:
Review of Scientific Instruments
(Volume:82
,
Issue:
7
)
Date of Publication: Jul 2011
- Page(s):
- 075111 - 075111-4
- ISSN :
- 0034-6748
- Digital Object Identifier :
- 10.1063/1.3615310
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 01 August 2011
- Issue Date :
- Jul 2011
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