Description
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 Thermometers is located in the body.
• The API Scale is based on the following formula: °API @ 60°F 141.5/(Specific Gravity @ 60°F) – 131.5
• Scale for petroleum products
• Thermometer is in SAFETYBLUE °F
Optional Accessories (sold separately):
• PVC Hydrometer Case, 16.5 in. (Spectrum Cat. No. 352-10030)
†Image(s) are representative of the product group and not necessarily the individual product.
Image(s) are representative of the product group and not necessarily the individual product.