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ASTM International - ASTM E296-70(1999)

Standard Practice for Ionization Gage Application to Space Simulators

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Organization: ASTM International
Publication Date: 10 October 1999
Status: inactive
Page Count: 13
ICS Code (Space systems and operations): 49.140
scope:

1.1 The purpose of this practice is to provide application criteria, definitions, and supplemental information to assist the user in obtaining meaningful vacuum ionization gage measurements below 10 N/m (10 torr) in space-simulation facilities. Since a variety of influences can alter observed vacuum measurements, means of identifying and assessing potential problem areas receive considerable attention. This practice must be considered informational, for it is impossible to specify a means of applying the vacuum-measuring equipment to guarantee accuracy of the observed vacuum measurement. Therefore, the user's judgment is essential so that if a problem area is identified, suitable steps can be taken to either minimize the effect, correct the observed readings as appropriate, or note the possible error in the observation.

1.2 While much of the discussion is concerned with the application of hot-cathode ionization gages, no exclusion is made of cold-cathode designs. Since a great deal more experience with hot-cathode gages is available and hot-cathode devices are used in the majority of applications, the present emphasis is fully warranted.

1.3 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents of inch-pound units may be approximate.

Document History

November 1, 2020
Standard Practice for Ionization Gage Application to Space Simulators
1.1 This practice provides application criteria, definitions, and supplemental information to assist the user in obtaining meaningful vacuum ionization gage measurements below 10-1 N/m2 (10-3 torr)...
October 1, 2015
Standard Practice for Ionization Gage Application to Space Simulators
1.1 This practice provides application criteria, definitions, and supplemental information to assist the user in obtaining meaningful vacuum ionization gage measurements below 10−1 N/m2 (10−3 torr)...
April 1, 2010
Standard Practice for Ionization Gage Application to Space Simulators
1.1 This practice provides application criteria, definitions, and supplemental information to assist the user in obtaining meaningful vacuum ionization gage measurements below 10−1 N/m2 (10−3 torr)...
September 1, 2004
Standard Practice for Ionization Gage Application to Space Simulators
1.1 This practice provides application criteria, definitions, and supplemental information to assist the user in obtaining meaningful vacuum ionization gage measurements below 101 N/m2 (10 3 torr) in...
ASTM E296-70(1999)
October 10, 1999
Standard Practice for Ionization Gage Application to Space Simulators
1.1 The purpose of this practice is to provide application criteria, definitions, and supplemental information to assist the user in obtaining meaningful vacuum ionization gage measurements below 10...
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