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或斷路組合的多端子元件,一次只測(cè)試兩個(gè)端子的組合. Choose the devices whose malfunction may cause most unfavorable results through examination of the sample and its circuit diagram . 分析樣機(jī)電路,選取功能失效后可能造成火災(zāi),電擊或人身傷害危險(xiǎn)等的電子元件進(jìn)行開路或斷路測(cè)試. This test may be conducted under draught free condition. The air ejector fan mustn’t be turned on until 2 minutes elapse after the test is over. 測(cè)試將在無風(fēng)環(huán)境條件下進(jìn)行,待測(cè)試完成2分鐘後才可開啟排氣扇. Procedure/步驟: Obtain a representative sample of the appliance to be tested. 準(zhǔn)備一臺(tái)有代表性的樣機(jī)用於測(cè)試. Obtain Test Results Form TTR1011 and pletely fill in the information describing the sample and the equipment used prior to running the test. 用TTR1011的測(cè)試結(jié)果的表格。 在測(cè)試前完整地填入樣板和使用的設(shè)備的情況. Shortcircuit or open an electronic ponent. 短路或斷路一個(gè)電子元件. Exposed noncurrentcarrying metal parts are connected to ground through the 3 ampere nontime delay type fuse. 引一條線通過一個(gè)3A快速保險(xiǎn)絲將馬達(dá)殼接地. Place the sample on the softw