Precision Hydrometer, 380 mm L, ASTM Number 44HM, 36 to 44° API Range, Combined Form, Glass, 0.1° Division, 30/180°F Thermometer, Suitable Thermal Properties for the Entire Temperature Range, Resists any Reactions from Chemical Agents
Precision Hydrometer, 163 mm L, ASTM Number 21H, 0 to 6° API Range, Plain Form, Glass, 0.1° Division, Suitable Thermal Properties for the Entire Temperature Range, Resists any Reactions from Chemical Agents