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Our brix scale hydrometers with °C thermometer are calibrated to show the percentage of sucrose by weight at 20 °C.

Our brix scale hydrometers with ℉ thermometer are calibrated to show the percentage of sucrose by weight at 68 ℉.

These specific gravity hydrometers feature an internal thermometer for calculating temperature corrections and are calibrated for use at 60 ℉.

These liquid petroleum gas (LPG) hydrometer measures the specific gravity of LPG such as propane, butane, and other light hydrocarbons.

Our 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.