1.densitometer used for many fields,such as industrial zone,can to measure different kinds of the liquide! 2. hydrometer densitometer(sea hydrometer,digital thermometer) The hydrometers produced by our factory include densitometer,alcoholometer,saccharometer,soil hydrometer,hydrometers for testing petroleum products,electrolyte hydrometer,tannometer,milk hydrometer,Baume hydrometer and urinoometer. In addition to those metioned above, we also accept orders for hydrometers of special specifications. Hydrometers of all kinds may be provided with of without thermometers . Both the first grade and ther second grade standard hydrometers are noted for their pinpoint accuracy as they are processed with sophistical technology and strictly ,checked by the national standards and metrology departments. They are used in the laboraories and institutes of science and technology where precision measurement is desired.