ASTM D3284 Standard Practice for Combustible Gases in the Gas Space of Electrical Apparatus Using Portable Meters
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ASTM International
Standard Practice for Combustible Gases in the Gas Space of Electrical Apparatus Using Portable Meters
N D3284
Annotation
This field practice covers the detection and estimation of combustible gases in the gas blanket above the oil or in gas detector relays in transformers using portable instruments. It is applicable only with transformers using mineral oil as the dielectric fluid. Gases dissolved in the oil and noncombustible gases are not determined. A method of calibrating the instruments with a known gas mixture is included.
This practice affords a semi-quantitative estimate of the total combustible gases present in a gas mixture. If a more accurate determination of the total amount of combustible gases or a quantitative determination of the individual components is desired, use a laboratory analytical method, such as Test Method D3612.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Section 7.
Автоматический перевод:
Общепринятая практика для горючих газов в газовом космосе электрического аппарата Используя портативные метры
Эта полевая практика покрывает обнаружение и оценку горючих газов в газовом слое выше нефти или в газовых реле детектора в преобразователях с помощью переносных приборов. Это применимо только с преобразователями с помощью минерального масла в качестве жидкого диэлектрика. Газы, растворенные в нефтяных и негорючих газах, не определяются. Метод калибровки инструментов с известной газовой смесью включен.



