销售商 | 型号 | 制造商 | 功能描述 | 价格 |
 Allied Electronics | 412440-S | Extech Instruments Corporation | CALIBRATOR, CURRENT LOOP CHECKER SERIES, SPADE LU | 1 : $109.99
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 Digi-Key 得捷电子 | 412440-S-NIST | FLIR Extech | CURRENT LOOP CHECKER W/NIST 4124 | Obsolete |
 Master Electronics | 412440-S | Extech Instruments Corporation | | 10 : $93.49
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 Mouser 贸泽电子 | 412440-S | Extech | 校验设备 CALIBRATOR CURREN | 价格未公开 |
 Onlinecomponents.com | 412440-S | Extech Instruments Corporation | Current Loop Checker Low Cost, Pocket-Sized Checker For Simulating Current Loops | 10 : $93.49
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 TME Electronic Components | 412440-S | Extech Instruments Corporation | Tester: current loop; Current source:4, 12, 20mA | 1 : $97.54 2 : $91.06
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 TME Electronic Components | 412440-S | Extech Instruments Corporation | Tester: current loop; Current source:4, 12, 20mA | 1 : $97.84 2 : $91.34
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