ASTM D1533 - Water in Insulating Liquids by Coulometric Karl Fischer Titration

We perform Karl Fischer testing by ASTM D1533 to determine the water content in insulating liquid using automated instrumentation. The water content is measured Karl Fischer titration. Water contamination in insulating or dielectric liquid can damage the product’s electrical characteristics, such as the dielectric breakdown voltage.

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We also perform water content testing by ASTM D6304, ASTM D95, ASTM E1064, ASTM D1401, ASTM D1744, and ASTM E203. These different test methods use different instruments or procedures or are used for certain sample types. Click on the test method number to learn more about each test.

For additional information on this test method or to purchase a copy of the method, please click HERE to open a new window and visit the ASTM website.