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ＪＳ－３型钢丝拉力试验机是试验钢丝强度和伸长率的专用仪器。现将钢丝拉力试验机常见的故障的分析及排除方法列出，仅供参考。 故障现象之一：仪器调整状态下跳字，四位数一齐跳动。 产生原因之一：一般是印刷板ＹＢ２集成块７１３５的基准电压１伏不准引起。 排除方法：１、
JS-3 wire tensile testing machine is a test wire strength and elongation of special equipment. Wire tensile testing machine now common fault analysis and troubleshooting are listed, for reference only. One of the symptoms of failure: jump under the state of instrument adjustment, four-digit beating together. One of the reasons: Generally printed board YB2 7135 reference voltage of 1V is not allowed to cause. Remedy: 1,