Nairobi, Eneo la Viwanda (Nairobi), masaa 3 yaliyopita
153 maoni
Hydrometer
+1
Nyingine
Aina
Chapa Mpya
Hali
A hydrometer is an instrument used for measuring the relative density of liquids based on the concept of buoyancy. they are typically calibrated and graduated with one or more scales such as specific gravity.