Automatic Electronic Density/Gravity Meter MD-100. Special instrument for measuring solid (liquid) density specific gravity. Used in electronic, rubber, food, paper, mechanic and so on line of business measuring the resin, metal, glass, and so on chemical liquor.Use Archimedes principle to measuring the density by steeping in liquid. Get the value from the reading directly, and fast. This item is in the category "Crafts\Other Crafts". The seller is "e-lab-4u" and is located in this country: CN. This item can be shipped worldwide.