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ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils
ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils10. Precision and Bias10.1 Precision - This test method has been found to be reproducible to more or less 0.02 % gas content for gas contents on the order of 0.10 % (Note 6); for samples of higher gas content the absolute error ...
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ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils
ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils8. Procedure8.1 Raise the temperature of the oven to the desired level and make certain that it remains constant within more or less 2°C for at least 30 min. The temperature of the cold trap will depend on the coolant employed. ...
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ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils
ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils7. Calibration of Apparatus7.1 Calibration and conditioning of the apparatus are often done by the manufacturer. If this has not been done, or if a check is desired, the following procedures may be used:7.1.1 Clean the glass assembly ...
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ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils
ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils5. Apparatus5.1 Degassing Chamber - Degassing chamber, A, made of heat-resistant glass (with calibrated oil well at bottom), having a fixed total space volume of about 175 to 300 mL. The oil well shall have a maximum capacity of ...
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ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils
ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils3. Summary of Test Method3.1 This test method consists essentially of feeding the oil into an evacuated chamber in such a manner that the oil is thoroughly exposed to the vacuum, allowing free escape of any dissolved gas. From ...
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ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils
ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils1. Scope1.1 This test method covers the determination of the gas content of electrical insulating oils of low and medium viscosities in the general range up to 190 cSt at 104°F (40°C), such as are used in capacitors and paper-insulated ...
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ASTM D2864 Terminology Relating to Electrical Insulating Liquids and Gases
ASTM D2864 Terminology Relating to Electrical Insulating Liquids and Gases2. Terminologyac - symbol used to designate an electric voltage or current whose amplitude varies periodically as a function of time, its average value over one complete period being zero. One complete repetition of the wave pattern ...
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ASTM D2864 Terminology Relating to Electrical Insulating Liquids and Gases
ASTM D2864 Terminology Relating to Electrical Insulating Liquids and Gases1. Referenced Documents1.1 ASTM Standards:D611 Test Methods for Aniline Point and Mixed Aniline Point of Petroleum Products and Hydrocarbon Solvents.D2007 Test Method for Characteristic Groups in Rubber Extender and Processing ...
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ASTM D3613 for Sampling Insulating Liquids for Gas Analysis and Water Analysis
ASTM D3613 for Sampling Insulating Liquids for Gas Analysis and Water AnalysisASTM D3613 Standard Practice for Sampling Insulating Liquids for Gas Analysis and Determination of Water Content11. Identification11.1 Attach a tag or label to each sample container showing the date of sampling, temperature ...
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ASTM D3613 for Sampling Insulating Liquids for Gas Analysis and Water Analysis
ASTM D3613 for Sampling Insulating Liquids for Gas Analysis and Water AnalysisASTM D3613 Standard Practice for Sampling Insulating Liquids for Gas Analysis and Determination of Water Content8. Collecting Samples Using Syringe8.1 Perform the steps in Section 6. Attach the plastic tube to the syringe as ...