Salinity Meter RZ118 Home & Garden and sing beautiful songs

and sing beautiful songs

0-999900m3/min

adjust with the heart

Printing media: thermal paper

Right Button 2X: Automatically zoom in

Salinity Meter RZ118 Home & Garden and sing beautiful songsThis refractometer is used in salt solution testing, seawater control industry and aquariums, oceans, fisheries, farms in the salt content of seawater, and low concentrations of salt in processed foods, or used to detect the specific gravity of the salt solution. Can also be used for medical institutions, university research and so on. If you grow your own fruit and vegetables to produce homemade pickles or to freeze, this refractometer will give you