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Operation of leaky zirconia pump-gauge oxygen sensors in the a.c. mode: theoretical analysis

โœ Scribed by M. Benammar; W.C. Maskell

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
349 KB
Volume
12
Category
Article
ISSN
0925-4005

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โœฆ Synopsis

A theoretical analysis of the behaviour of non-hermetically sealed devices operated in the a.c. mode is presented. The analysis reveals that a pump-gauge device with substantial leak may still be used for oxygen partial-pressure measurement with a concomitant substantial simplification in the electronics required when compared to fully sealed devices. In addition, theory suggests that the device may provide a measurement of the barometric pressure.

๐Ÿ“œ SIMILAR VOLUMES

Measurement of oxygen partial pressure u
Measurement of oxygen partial pressure using fully-sealed zirconia pumpโ€”gauge devices operated in the tracking mode. Part 2
โœ M. Benammar; W.C. Maskell ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 321 KB

The instrument incorporated a miniature oxygen sensor operated in an a.c. mode. Signal processing of the periodic gauge e.m.f. enabled determination of the oxygen partial pressures both within the enclosed volume of the sensor (PO) and in the surrounding sample gas (P,). The device was operated in a