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Characteristics of the OTOX model CTL oxygen sensor.

Authors
Chilton-JE; Schnakenberg-GH Jr.; Spinetti-L
Source
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 8920, 1983 Apr; :1-16
Link
NIOSHTIC No.
10002814
Abstract
The Bureau of Mines has examined the operation of an oxygen sensor manufactured by the City University, London, England. The sensor produces a current proportional to the oxygen concentration by reacting oxygen at a nonconsumable cathode. The sensor design is unique in that the primary mode of oxygen transport to the cathode is by diffusion through a capillary. The sensor using this design has a stability of 0- to 0.02-Pct reading change per day over a 4.7- Month test, small temperature coefficient of 0.29-Pct reading change per degree celsius, and small pressure coefficient of 0.34-Pct reading change per 1,000-ft altitude change. If this sensor were incorporated into an oxygen detector or monitor, this would be a distinct improvement in electrochemical-type oxygen analyzers and would be useful to the mining industry.
Keywords
Oxygen; Gas-detectors; Mines-Excavations; Concentration-composition; Air-pollution; Electrochemistry; Performance-evaluation; Design-criteria; Cathodes; Transport-properties
Publication Date
19830401
Document Type
IH; Information Circular
Fiscal Year
1983
NTIS Accession No.
PB83214528
NTIS Price
A02
Identifying No.
IC-8920
NIOSH Division
PRC
Source Name
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 8920
State
PA
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