API and ASTM scale compatibility ensures accurate measurement of petroleum and liquid densities
Integrated thermometer provides temperature-based readings for precise results
Safety blue liquid fill enhances visibility and safety during use
Wide range of hydrometer scales available to suit various applications
Durable construction suitable for laboratory and industrial environments
Summarized by Shop
VEE GEE API Scale Hydrometers measure the scale which was selected in 1921 by the American Petroleum Institute (API), the U.S. Bureau of Mines, and the National Institute of Standards and Technology (NIST) as the standard hydrometer scale for petroleum products.
The Thermometer Scale (where applicable) for VEE GEE Hydrometers with Thermo
Scale Range
9 to 21 (ASTM No. 52H), 19 to 31 (ASTM No. 53H), 29 to 41 (ASTM No. 54H), 39 to 51 (ASTM No. 55H), 49 to 61 (ASTM No. 56H), 59 to 71 (ASTM No. 57H)