DL/T 423-2009 in English
VALIDDetermination of dissolved gas content in insulatingoil Method of vacuum pressure difference
- Issued on:2009-07-22
- Implemented on:2009-12-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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本标准规定了用真空压差法测定绝缘油中含气量的方法。本标准适用于充油电气设备中绝缘油含气量的测定。对于运动粘度(40℃)不大于40mm2/s的其他油品含气量测定可参照本标准。本标准分为A法(电子真空计法)和B法(U形油柱压差计法)。
Scope
This standard specifies the method for determining the gas content in insulating oil using the vacuum pressure difference method. This standard applies to the determination of the gas content of insulating oil in oil-filled electrical equipment. For the determination of gas content of other oil products with kinematic viscosity (40°C) not greater than 40mm/s, please refer to this standard. This standard is divided into method A (electronic vacuum gauge method) and method B (U-shaped oil column differential pressure gauge method).

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