ISO – NF – BS – DIN hydrometers for general purposes ASTM hydrometers for general purposes General purpose hydrometers, non-standardized Normalized Hydrometers for the petroleum industry Hydrometers for oil and gas industry Alcoholmeters, for distilleries and wine industry Hydrometers for breweries and sugar refineries Hydrometers for dairy and food industries Baumé Hydrometers Hydrometers for diverse utilisations
