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Automatic and continuous transducer-drift compensator for endpoint detection systems.

Authors
Seitz-CA; Lucich-GM
Source
Amarillo, TX: U.S. Department of the Interior, Bureau of Mines, RI 8568, 1981 Jan; :1-9
Link
NIOSHTIC No.
10006684
Abstract
This Bureau of Mines report describes an automatic and continuous transducer-drift compensator. The compensator formed a part of the instrumentation used to indicate the saturation by hydrogen of a cryogenic, adsorption column. It has a variable delayed-response characteristic and will respond only to signals having rise times faster than component drift times. Zero drift due to varying ambient conditions and component aging is nullified. Equations relating the output as a function of the input signal are given.
Keywords
Drift; Monitors; Columns; Process engineerig; Helium; Compensators; Endpoint detectors; Zero balancing
Publication Date
19810101
Document Type
IH; Report of Investigations
Fiscal Year
1981
NTIS Accession No.
PB82-135534
NTIS Price
Identifying No.
RI-8568
NIOSH Division
HEFO
Source Name
Amarillo, TX: U.S. Department of the Interior, Bureau of Mines, RI 8568
State
TX
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