卡尺测深尺的检定在规程上规定:“在尺寸20mm一点检定,用两个尺寸为20mm的量块置于一级平板上,使尺身端面与量块接触,伸出深度尺至平叛,然后在尺身上读数,其示值误差,应不超过卡尺游标的分度值”和“测深尺不允许窜动”。在检修中,对带测深尺的卡尺的要求如何保证尚欠明确,具体情况分析如下: Calipers depth gauge test on the rules of regulation: “in the size of 20mm a little test, with two dimensions of 20mm mass placed on a flat panel, so that the end of the gauge body contact with the measuring block, sticking out the depth scale to flat rebel , And then readings on the ruler, the indication error, should not exceed the caliper cursor division ”and“ ruler not allowed to move. ” In the overhaul, the caliper with sounding ruler how to ensure the lack of clarity, the specific situation is as follows: