This instrument is a balance.
A Balance in Science is an instrument used to measure mass.
This instrument is an adequate type of balance.
Mass is measured with weight, a graduated cylinder, and a scale.
Triple Beam Balance.
balance machine
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An aerometer is an instrument used to measure the mass and density of gases.
A laboratory instrument commonly used to measure mass is a balance or scale. Weight can be measured using a spring balance or a load cell device.
a viscometer is used to determine viscosity(density) of a liquid.
In layman's terms "mass" means weight. The measurement is expressed in grams, and to measure mass, a scale is used.
A balance or a scale is used to measure the amount of matter in a substance by determining its mass.
A balanced scale, which compares the mass of one object with that of a known quantity.