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ocean1236
歲月不饒人
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樓主  發(fā)表于: 2008-10-09 10:03
           我現在有個(gè)項目,客戶(hù)有有個(gè)注塑機需要做,那個(gè)模具里面要加熱,有8個(gè)加熱管,現在需要這么一個(gè)裝置,假如8個(gè)加熱管其中有一個(gè)壞了可以檢測出來(lái),及時(shí)更換,有這樣的電流表和電流互感器嗎?我找了很久了,那位高手給點(diǎn)意見(jiàn),客戶(hù)提出來(lái)要用電流表顯示電流,別的方法不讓用。我很著(zhù)急。
ymmfa
不想大江大河,不想浪起潮落,只愿一灣小湖,靜待歲月安好。
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1樓  發(fā)表于: 2008-10-09 10:35
不太懂....但我感覺(jué)如果壞了的話(huà)....好象回路就不通了...串了一個(gè)小二極管行么?
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