How do you know what kind of disc scale is?

First of all, it should be clear that the national legal unit of weight is kilograms (that is, kilograms or kilograms, 1 kilogram equals 2 kilograms, and the price is usually calculated by kilograms). Carefully check the scales and measurement units on the disc weighing panel, calculate how many scales with numbers are marked with the least scales, and determine the measurement value of the least scales. When nothing is weighed, the pointer of the disc scale should point to zero. When the weighed object is placed on the scale, the weight should be calculated according to the scale position pointed by the pointer of the disc scale.