ASTM E296-70(2025)

Podrobné informace

Označení: ASTM E296-70(2025)

Datum vydání: 01.12.2025

Stran: 14

Země: Americká technická norma

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Anotace

This practice provides application criteria, definitions, and supplemental information to assist the user in obtaining meaningful vacuum ionization gage measurements in space-simulation facilities. Acceptable vacuum-measuring equipment shall consist of those items in which performance is compatible with obtaining meaningful measurements. The gage mounting, gage orientation, gage operational error, and gage correction for gas composition are presented in details. The gas composition determination, operating criteria, heavy molecular weight contamination effects, apparent X-ray limit for hot-cathode gages, and cold cathode gages are presented in details.


Keywords:
ICS Number Code 49.140 (Space systems and operations)