本文介绍旧型号电接点压力表(单圈管弹簧式压力表)的示值误差调整,其具体步骤如下: 1.在示值误差调整前,用红蓝铅笔在表盘零点和测量上限值对应的表壳位置划上记号(如图所示); This article describes the old model electric contact pressure gauge (single-coil spring pressure gauge) indication error adjustment, the specific steps are as follows: 1. In the indication error adjustment, with red and blue pencil in the dial zero and the upper limit of the corresponding measurement Case marked on the location of the case (as shown);