前段时间 ,接到反映 ,贵阳市汽车运输三场的电子衡有负误差 ,正好该秤快到检定周期 ,于是我们决定到该单位进行周期检定。据该单位电子衡操作人员说 ,该秤确实存在误差 ,且随着秤量的增加 ,负误差也随之增大。我们先查看了秤体 ,发现该秤所处环境卫生条件比较差。为了准确找出 Some time ago, it was revealed that there was a negative error in the electronic balance of the three vehicles transported by Guiyang City. Just as the scale approached the verification cycle, we decided to go to the unit for periodic verification. According to the operator of the unit electronic scale, the scale does exist errors, and as the weighing increases, the negative error also increases. We first looked at the scale body and found that the scale where the sanitation conditions are relatively poor. In order to find out accurately