DH-300W liquid digital display hydrometer: 

1. The density resolution: 0.0001 g/cm3
2. The measuring range: 0.0001 99.9999 g/cm3
3. Measurement categories: A:  liquid liquid, viscous liquid, volatile liquid, corrosive, high temperature liquid, suspended liquid, emulsion...Etc.
B: alcohol, flux, essence, blood, sodium chloride, glycerin, electrolyte, diesel oil, refrigerant, hydrofluoric acid, methylene chloride, ethyl ether, sulfate...And other similar liquid state can be measured.