描述
機械式萬用表:測量電流 電壓的方法與數(shù)學式相同,但測電陰時,讀數(shù)要乘以檔位上的數(shù)值才是測量值。例如:現(xiàn)在打的檔位是“X100”讀數(shù)是200,測量傳題是200100=20000Ω=20K,表盤上“Ω”尺是從左到右,從大到小,而其它的是從左到右,從小到大
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主營:世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國AB)系列產(chǎn)品》
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③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
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⑧Invensys Foxboro(??怂共_):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場輸入/輸出模塊)
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據(jù)通信及處理等。Invensys Triconex:冗余容錯控制系統(tǒng)、基于三重模件冗余(TMR)
結構的zui現(xiàn)代化的容錯控制器。
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◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
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ABB 609903-T503-CA POWER SHIELD
ABB 609907-T706-CA POWER SHIELD
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