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萬用表

萬用表究竟應(yīng)該怎樣更換保險(xiǎn)絲?

發(fā)布日期:2022-10-11 點(diǎn)擊率:1405

作為一名儀表工,萬用表是最常用的工具之一。在使用萬用表的過程中,有些新手甚至工作有一段時(shí)間的儀表工粗心大意時(shí)會(huì)犯一個(gè)很大的錯(cuò)誤:表筆插在電流檔去測(cè)量電壓。這樣的后果是萬用表的保險(xiǎn)絲會(huì)被燒斷以至于不能正常工作,那怎樣更換保險(xiǎn)絲呢?請(qǐng)看步驟:

更換保險(xiǎn)絲第一步:拆除電池


第二步:

拆開萬用表后蓋,注意,翻開表后蓋時(shí),動(dòng)作要輕柔,因?yàn)楹笊w上一般和電路板間有導(dǎo)線相連


第三步:

找到慘遭燒毀的毫安檔對(duì)應(yīng)的保險(xiǎn)管



第四步:

螺絲刀 翹保險(xiǎn)管和保險(xiǎn)座接觸的金屬頭

(不要翹保險(xiǎn)管的中段,特別是不防爆的玻璃保險(xiǎn)管,避免壞掉的保險(xiǎn)管破裂~)


第五步:

最好選擇與萬用表自帶的保險(xiǎn)絲型號(hào)相同的保險(xiǎn)絲

換上新的保險(xiǎn)管,注意盡量減少手指和保險(xiǎn)管金屬頭的接觸,避免腐蝕


OK!完成了!


最后還是那句囑咐:記得扭上電池蓋~

這里需要注意的是:電池的正負(fù)極不要裝反了,如果電池裝反的話,萬用表可是要罷工的哦。

下一篇: 交流真空接觸器的選用

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