Hydrometer 29-41

Hydrometers are used to determine the specific gravity of a liquid. Consists of a long glass tube containing a ballast at the base of the float bulb and graduations on the stem. The ballast is made from steel pellets free from lead and mercury. API ASTM – The American Petroleum Institute scale is…

Graduated in American Petroleum Institute scale in accordance with ASTM Hydrometer Standards E-100; API standard 526 As required for ASTM Standard D 287 Federal Test Method Standard No. 791, method 401.4; ANSI Z11.31; and API Standard 526 Maximum total length 335 mm, maximum length of scale…