限流电阻(R)保护扫描卡在测试样板被短路时不被损坏。
The current limiting resistors (r) protect the scanner CARDS from damage if the test coupon develops a short circuit.
欢迎客户索取产品资料、报价、测试样板、合作开发及订购。
Welcome the customer ask for new product information, the quoted price, test sample, Cooperation development and order.
在测试样板和7158型开关卡之间应该使用低噪声同轴电缆，以避免噪声电流。
Low noise coax cables should be used between the test coupons and the Model 7158 CARDS to avoid noise currents.
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