Petroleum Gold

Precision Hydrometer, 380 mm L, ASTM Number 101H, 0.5 to 0.65° API Range, Combined Form, Glass, 0.1° Division, 30/90°F Thermometer, Suitable Thermal Properties for the Entire Temperature Range, Resists any Reactions from Chemical Agents

Precision Hydrometer, 380 mm L, ASTM Number 56HL, 49 to 61° API Range, Combined Form, Glass, 0.1° Division, 0/150°F Thermometer, with Spirit-Filled 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