描述
電阻測(cè)量接線方式有四線制、兩線制。進(jìn)行小電阻和高精度測(cè)量時(shí),應(yīng)選擇帶四線制的電阻測(cè)量接線方式。
隨著大規(guī)模集成電路和顯示技術(shù)的發(fā)展,數(shù)字萬(wàn)用表逐漸向小型化、低功耗、低成本方向發(fā)展,數(shù)字萬(wàn)用表也明顯分為便攜式和臺(tái)式兩種。便攜式一般為31位或41位,體積小,重量輕,耗電少,適合生產(chǎn)車間或野外使用;臺(tái)式可達(dá)61位或71位,準(zhǔn)確度和分辨力越來(lái)越高,采用微處理器和GP-IB接口設(shè)備,在計(jì)量、科研和生產(chǎn)部門作為標(biāo)準(zhǔn)表和精密測(cè)量用。
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(??怂共_):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場(chǎng)輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂(lè)):Indramat,I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
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6SN1113-1AB01-0BA0
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SIMODRIVE PW-MODULE INT/EXT
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6SN1123-1AA00-0AA0
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SIMODRIVE LT-MODULE INT.15A
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6SN1123-1AA00-0AA1
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SIMODRIVE LT-MODULE INT.15A
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6SN1123-1AA00-0BA0
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SIMODRIVE LT-MODULE INT.25A
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6SN1123-1AA00-0DA1
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SIMODRIVE LT-MODULE INT.80A
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6SN1123-1AA00-0EA0
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SIMODRIVE
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6SN1123-1AA00-0EA1
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SIMODRIVE LT-MODULE INT.160A
6SN1123-1AA00-0GA0
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SIMODRIVE LT-MODULE INT.120A
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6SN1123-1AA00-0HA0
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SIMODRIVE LT-MODULE INT.8A
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6SN1123-1AA00-0HA1
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SIMODRIVE LT-MODULE INT.8A
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6SN1123-1AA00-0JA1
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SIMODRIVE LT-MODULE INT.300A
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6SN1123-1AA01-0FA1
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SIMODRIVE LT-MODULE INT.200A
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6SN1123-1AB00-0BA0
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SIMODRIVE LT-MODULE INT.2X25A
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6SN1123-1AB00-0CA1
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SIMODRIVE LT-MODULE INT.2X50A
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6SN1130-1AA11-0BA0
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SIMODRIVE VSA-MODULE 12,5/25A
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6SN1130-1AA11-0GA0
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SIMODRIVE VSA-MODULE 4/8A
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6SN1135-1BA12-0GA0
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SIEMENS DRIVE
6SN1145-1AA00-0AA0
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SIMODRIVE 10/25KW U/E-MODUL
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6SN1145-1AA01-0AA0
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SIMODRIVE 10/25KW U/E-MODUL
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6SN1145-1AA01-0AA1
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SIMODRIVE U/E-MODULE INT/EXT.10/25KW
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6SN1145-1BA00-0BA0
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SIMODRIVE E/R-MODULE INT.16/21KW
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6SN1145-1BA01-0BA1
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SIEMENS DRIVE
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6SN1145-1BA01-0DA0
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SIMODRIVE E/R-MODULE INT.55/71KW
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6SN1145-1BA01-0DA1
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SIMODRIVE E/R-MODULE INT.55/71KW
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6SN1145-1BA02-0CA1
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SIMODRIVE E/R-MODULE INT.36/47KW
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6SN1145-1BB00-0EA1
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SIMODRIVE E/R-MODULE INT.80/104KW
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6SN1145-1BB00-0FA1
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SIMODRIVE,DEF
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