voltmeter

1. Select the lowest range of the voltmeter.: 选择伏特计的最低量程。

2. Suppose we connect a voltmeter across a dry cell.: 假定我们在干电池两端接上伏特计。

3. An electronic voltmeter that gives readings in digits.: 能够以数字显示的电伏特计。

4. The voltmeter leads are placed a known distance apart.: 电压表的引线则按已知的距离放置。

5. A voltmeter whose sensitivity is increased by amplification.: 灵敏度由于扩大而增强的伏特计。

6. Using a voltmeter measure fused ign sw output ckt at the red conn.: 用伏特表测量红色接头处的熔断点火装置开关输出电路。

7. Close the channel and measure the voltage with a sensitive voltmeter.: 闭合通道，利用一个灵敏的伏特计测量电压。

8. The voltmeter is an electrical instrument for measurement of voltage.: 伏特计是用来测量电压的仪表。

9. Test points can included to accommodate voltmeter or oscilloscope probes.: 测试点可容纳包括电压表或示波器探头。

10. We believe that the design of digital voltmeter would be used abroad in future.: 相信这个设计会在未来的电压表中广泛应用。

11. A steady-state DC signal applied to a voltmeter presents no conceptual difficulty.: 理解稳态直流信号加到电压表上的情况在概念上没有什么困难。

12. Therefore, a voltmeter with high input resistance, such as an electrometer, is required.: 所以需要使用具有高输入电阻的电压表，例如静电计。

13. The circuit of the electrometer when used as a voltmeter is actually as shown in Figure 2-6.: 当静电计作为电压表使用时，其电路实际上如图2 - 6所示。

14. To monitor the output voltage, a voltmeter is connected in parallel with the load resistance.: 为了监测输出电压，将一个伏特计与负载电阻并联在一起。

15. The ohmmeter USES an internal current source and electrometer voltmeter to make the measurement.: 欧姆计使用内部的电流源和静电计电压表来进行测量。

16. The three-pole switch was originally used to switch a voltmeter guard along with the signal lines.: 三刀开关最早用于切换伏特计保护及信号线路。

17. The holiday detector shall be checked with a DC voltmeter at least once each shift to ensure accuracy.: 应至少在每次换班时用直流电伏特计检查一次漏涂检测仪以确保其准确度。

18. It is convenient to include the functions of a voltmeter, ammeter, and ohmmeter within one instrument.: 人们把伏特表，安培表，欧姆表集中在一只仪表内是非常方便的。

19. Copper conductors connect the cells to the voltmeter to minimize errors due to thermoelectric EMFs (VEMF).: 用铜导体将两个电池和电压表相连，以便使热电动势(VEMF)引起的误差减到最小。

20. For example, the voltmeter trigger time and measurement time would also be included in the total system time.: 例如，系统的总时间中还包括了伏特计的触发时间和测量时间。

21. To reduce error due to voltmeter non-ohmic contacts, use shielding and appropriate grounding to reduce ac pickup.: 为了降低电压表的非欧姆接触所产生的误差，采用屏蔽和适当的接地措施来降低交流干扰。

22. Picoammeter amplifier gain can be changed as in the voltmeter circuit by using the combination shown in Figure 1-11.: 和电压表电路一样，可以使用如图1 - 11所示的组合电路来改变皮安表放大器的增益。

23. Figure 2-7 demonstrates the effects of shunt capacitance loading on the input of a typical high impedance voltmeter.: 图2 - 7说明分流电容对典型的高输入阻抗电压表输入端的影响。

24. Another consideration when measuring voltages from high resistance sources is the input bias current of the voltmeter.: 在测量高电阻源时要考虑的另一个问题是电压表的输入偏置电流。

25. The offset voltage will cause an error in the applied stimulus to a device under test or the value measured by the voltmeter.: 偏移电压会导致施加到被测装置的激励发生误差，或者使伏特计的测量值发生误差。

26. A voltmeter shall indicate the state of charge with a red pilot light to indicate when the high rate charger is in operation.: 电压表应指示充电状态，红色信号灯指示高速充电器运行。

27. Ideally, when a voltmeter is connected to a relatively low impedance circuit in which no voltages are present, it should read zero.: 在理想的情况下，当把电压表连接到一个没有电压的、阻抗比较低的电路时，电压表的读数应当为零。

28. Ideally, when a voltmeter is connected to a relatively low impedance circuit in which no voltages are present, it should read zero.: 在理想的情况下，当把电压表连接到一个没有电压的、阻抗比较低的电路时，电压表的读数应当为零。

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