Pycnometer

Material: Borosilicate glass 3.3.
 
For determining the density of non-volatile, low-viscosity liquids. Pear-shaped. With recessed glass stopper, edge Ø at top 9 mm, at bottom 7 mm. Calibrated at 20 °C. Total volume is engraved on the pycnometer, three decimal places, tolerance ± 0.001 ml.