To perform this test, you need a fixture that positions a metal plate over the circuit under test.

为了完成这项测试，你需要将一个金属板放置到被测电路的上面。

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For maximum safety, do not touch the product, test cables, or any other instruments while power is applied to the circuit under test.

为了最大程度的安全，在被测电路加有电源时，请勿接触产品、测试电缆或其它任何仪器。

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So disconnect the bench top power supply from circuit under test before soldering sensitive device.

因此﹐在给敏感设备焊锡之前﹐必须将台式电源与测试电路断开。

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