那要看规格是多少了,150mm的游标卡尺国家标准规定,0.02mm刻度的误差是±0.03mm,0.05mm刻度的误差是±0.05mm;0-25mm的千分尺国家标准规定:
0.01mm刻度的误差是±0.004mm,0.001mm刻度的误差是±0.002mm