Chase Instruments 31496 Dual Scale Baume Heavy Specific Gravity Hydrometer - 1.600-1.820 Range, 54-65° Baume, 0.005mm Precision, 152mm Length - Ideal for Brewing, Wine Making & Industrial Liquid Density Testing

Requires a cylinder 340 x 38 mm and approximately 260 mL of liquid. Models 6026Q20 and Q30 hydrometers have specific gravity scale in divisions of .002, Baume scale in 0.2°; 6026Q35 in 0.005 and 0.5°, 6026Q40 is scaled in 0.01 and 0.5°.