压力表轻敲位移量超差，常见的原因之一是压力表指针松动或者指针套小指针片之间松动，遇到这种情形，只要将指针固定牢或是将指针套与指针片铆压固定，也可用锡焊焊牢。压力表游丝收缩或扩张力木够时，游丝在某一段检定点的位置上就处于自然放松状态，这样，压力表轻敲位移量? Pressure gauge tapping displacement tolerance, one of the common reasons is loose gauge pointer pointer or loose between the small pointer piece, in this case, as long as the pointer fixed jail or pointer sets and pointer piece riveting Fixed, but also available soldering tin. Gauge gossamer shrinking or expansion force enough wood, gossamer at a certain check point in the position of a natural relaxation, so that the pressure gauge tapping displacement?