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众所周知,诸如X_W~QA—303型自动平衡显示仪表以及其它类型的自动平衡显示仪表都是一种采用同步电动机带动切换开关、间隙机构及点序显示。由于切换开关接触不良所引起的测量失灵及点序显示模糊的故障大多存在。实践表明,这种故障占整机故障的60%左右。解决了这个问题,将大大提高现有仪表的开表率和减少维修工作量,维修费用必然大幅度下降。
As we all know, such as X_W ~ QA-303-type automatic balance display instrument and other types of automatic balance display instrument is a synchronous motor driven switch, the gap mechanism and point order display. Due to poor switching switch caused by measurement failure and point order display fuzzy mostly exist. Practice shows that such failures accounted for about 60% of the failure of the whole machine. Solve this problem, will greatly improve the existing meter open rate and reduce maintenance workload, maintenance costs will inevitably dropped significantly.