Mass Weights

The mass of an object is a measure of the object's inertial property, or the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it.

Calibration of Refenance Standard Weight E-1 & F1 Class Weight Under NABL , Using the Standard Weights & Precision Balance as per OIML R -111-1