一、用途当我们校验或检修各种流量表,压力表、远程压力表……时。往往要把指针取下,初次调校后装上。再调校,再装上,反复多次,直到校好为止。过去的老办法取针,是用螺丝刀撬,或尖咀钳拔,很容易把轴撬弯,致使贵重的仪表不能使用。而市场上也没有合适的工具买的。在这情况下试制了本文介绍的“起针钳”,在现场使用后,都认为:起针灵巧,吐针方便, First, use When we check or overhaul all kinds of flow meters, pressure gauges, remote pressure gauge ... .... Often need to take off the pointer, after the initial calibration installed. Then re-calibration, and then loaded, repeated several times, until the school so far. In the past, the old method of taking a needle was prying it with a screwdriver or pulling it with a sharp-pointed jaw. It is easy to bend the shaft so that the expensive instrument can not be used. And the market does not have the right tools to buy it. In this case, trial production of this article describes the “needle pliers”, after the use of the scene, all think: starting needle dexterity, spit needles convenient,