Because of the low test current level used, a very sensitive voltmeter is required to measure the voltage drop, which is usually in the microvolt range.
由于所使用的测试电流很低，所以就需要非常灵敏的电压表来测量这种通常在微伏范围的电压降。
Since the voltage drop across the ammeter is negligible, essentially all the test voltage appears across R.
由于安培计上的电压降可以忽略，所以所有的测试电压都出现在电阻R上。
The Source-Measure Unit can also test other diode parameters, including forward voltage drop and breakdown voltage.
源-测量单元还可以测量其它的二极管参数，包括正向电压降和击穿电压。
This is especially important when higher currents are used because the voltage drop across the test leads may be large compared to the voltage drop across the contact.
在使用较大的电流时，这一点特别重要。因为和接点两端的电压降相比，测试引线两端的电压降可能会比较大。
The importance of X-ray inspection, withstanding voltage test and voltage drop control were emphasized.
强调了X射线检查、耐电压检测、电压差管理等在质量管理上的重要性。
The on-site test results indicate that energy meter's neutral point virtual connection has a great effect on PT secondary voltage drop.
基于对称分量法，对电能表中性点虚接后的电压互感器二次压降进行了分析，得出了正确接线前后的计量误差变化量。
The contact voltage-drop of counterpart contacts in the closing course of electromagnetism relay is observed and recorded in its failure test using dynamic contact resistance measurement system.
用动态接触电阻测量系统进行了电磁继电器失效检测试验，检测了其触点闭合过程的接触压降。
The VF test is performed by sourcing a known current and measuring the resulting voltage drop across the diode.
VF测试需要提供一个已知的电流然后测量二极管上产生的电压降。
The VF test is performed by sourcing a known current and measuring the resulting voltage drop across the diode.
VF测试需要提供一个已知的电流然后测量二极管上产生的电压降。
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