HB Instrument Company Specific Gravity Hydrometers ASTM

HB Instrument Company Specific Gravity Hydrometers ASTM. The glass body is designed to fit with any HB Instrument general purpose hydrometer thread and with NPT connectors provided they may also be connected end to end with other similar hydrometers. Speci?c gravity hydrometers are used primarily for the measurement of specific gravities of solutions either as a function of specific volume or density of either water or other liquids. Cylindrical non-wetting head provides excellent stability over