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Barometers, hygrometers, and accessories; moisture meters, psychrometers, and other instruments used to measure water vapor, dew point, barometric pressure, and moisture content; may be manual or electronic (analog or digital).
Used during distilling and rectifying to measure % alcohol in various spirits, these precision fabricated hydrometers provide scales from 0 to 200% with 0.1% divisions
Measures relative densities (specific gravity) of oil and petroleum products in accordance with American Petroleum Institute (API) and American Society of Testing Materials (ASTM) E100 standards
Measure the relative density of oil and petroleum products in ranges from -1° to 101° API with these hydrometers. H-B Instrument Durac™ API ASTM Hydrometers conform to American Petroleum Institute (API) and the American Society of Testing Materials (ASTM) E100 standards. Traceable to NIST, with Individual Calibration Report.