WITHDRAWN, NO REPLACEMENT
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This practice covers the sampling of gas from a transformer gas space or from a gas-collector relay where the volume of gas available is small and will not permit the use of Practice D2759.
Formerly under the jurisdiction of Committee D27 on Electrical Insulating Liquids and Gases, this practice was withdrawn in January 2014 in accordance with section 10.6.3 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.
1.1 This practice covers the sampling of gas from a transformer gas space or from a gas-collector relay where the volume of gas available is small and will not permit the use of Practice D 2759.
1.2 This practice covers sampling, using a gas-tight syringe as the sampling apparatus and container.
1.3 If the apparatus to be sampled is found to be under a negative pressure, the apparatus pressure should be raised by the addition of nitrogen gas until a positive pressure is obtained.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D2759 Practice for Sampling Gas from a Transformer Under Positive Pressure
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ASTM D3305-94(2005), Standard Practice for Sampling Small Gas Volume in a Transformer (Withdrawn 2014), ASTM International, West Conshohocken, PA, 2005, www.astm.orgBack to Top