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如图所恢的数字式游标卡尺比以前的SL175型游标卡尺小而轻便.这种游标卡尺是由尺身和游标组成,尺身上装有标准线纹尺,游标上具有光电扫描头.其它的部份与由不锈钢制成的普通游标卡尺相同(该游标卡尺的测量面是经过精磨的).
The digital vernier caliper as shown in the figure is smaller and lighter than the previous SL175 vernier caliper.The vernier caliper consists of a ruler and a cursor with a standard ruler on the ruler and a photoelectric scanning head on the cursor.The other part Common vernier caliper made of stainless steel (the vernier caliper’s measuring surface is finely ground).