ASTM# 53HL RANGE 19 to 31ºAPI DIV. 0.1ºAPI
API, Combined Form, 15”, 0 - 150°F
API Chapter 9.3 of the MPMS, ASTM D1298, and E1000. These instruments combine API gravity scale with a thermometer in the body and are the standard and preferred size normally used for determining the gravity of crude oil and other liquid petroleum products, Length approximately 15 inch (374 to 387 mm), diameter ¾ to 1 inch (18 to 25 mm). Thermometer range is 0 to 150°F.
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