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判定砝码等级的相关依据
砝码的等级首先根据其精度等级来划分。精度等级是根据砝码的示值误差来确定的,不同的等级对应着不同的允许误差范围。例如,E1级砝码的,其质量误差通常在±0.5mg以内,而E4级砝码的质量误差则在±20mg以内。 不同的使用场合对砝码的精度要求不同。在实验 ...
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