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ASTM D1524

ASTM D1524 – Standard Test Method for Visual Examination of Used Electrical Insulating Liquids in the Field

Description:

Significance and Use

4.1 By use of this test method and Test Methods D1500 or D2129 the color and condition of a test specimen of electrical insulating liquid may be estimated during a field inspection, thus assisting in the decision as to whether or not the sample should be sent to a central laboratory for full evaluation. Cloudiness, particles of insulation, products of metal corrosion, or other undesirable suspended materials, as well as any unusual change in color may be detected.

Scope

1.1 This test method for visual examination is applicable to electrical insulating liquids that have been used in transformers, oil circuit breakers, or other electrical apparatus as insulating or cooling media, or both.

Related Test Methods

ASTM D4950

ASTM D495

ASTM D4951

ASTM D4950

ASTM D495

ASTM D4948

ASTM D4946

ASTM D4943

ASTM D4940

ASTM D4935

ASTM D4929

ASTM D4928

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