voltmeter switch

基本解釋

The three-pole switch was originally used to switch a voltmeter guard along with the signal lines.
三刀開(kāi)關(guān)最早用于切換伏特計(jì)保護(hù)及信號(hào)線(xiàn)路。
And the excitation voltage and output were also fed through the selector switch to the digital voltmeter.
其激勵(lì)電壓和輸出也通過(guò)選擇開(kāi)關(guān)接到數(shù)字電壓表上。
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The output trigger may be connected to a measuring device, such as a voltmeter. This will ensure the measurement is not made until the switch contacts have fully settled.
輸出觸發(fā)可被連接到一個(gè)測(cè)量裝置，例如伏特計(jì)。這樣能夠確保在開(kāi)關(guān)觸點(diǎn)完全穩(wěn)定之后再進(jìn)行測(cè)量。