通常，当仪器的零点检查功能打开时，仪器就会修正零点。
Typically, the instrument is zero corrected while zero check is enabled.
打开零点检查开关将会引起电荷读数的突然变化，称为“零跳”。
Opening the zero check switch will produce a sudden change in charge reading known as "zero hop."
电荷测量：讨论电荷测量中的误差来源和尽量降低误差的方法、零点检查和电荷测量功能的扩展。
Charge Measurements: a discussion of the error sources and ways to minimize them, zero check, and extending the range of the charge function.
在电压源即将打开之前，关闭仪器的零点检查功能并使用REL功能抑制电荷读数，使显示为零。
Just before the voltage source is turned on, disable the meter's zero check and suppress the charge reading by using the REL function to zero the display.
为做到这一点，简单的做法是，在零点检查关闭之后打开REL功能，这样就能把零跳的读数消除掉。
An easy way to do this is to enable the REL function after zero check is disabled, which nulls out the charge reading caused by the hop.
在测量一个器件，如电容器上的电荷时，重要之点是要首先关闭静电计的零点检查功能，然后再将电容器连到高阻抗输入端。
When measuring the charge on a device such as a capacitor, it's important to disable the zero check of the electrometer first, and then connect the capacitor to the high impedance input terminal.
在测量一个器件，如电容器上的电荷时，重要之点是要首先关闭静电计的零点检查功能，然后再将电容器连到高阻抗输入端。
When measuring the charge on a device such as a capacitor, it's important to disable the zero check of the electrometer first, and then connect the capacitor to the high impedance input terminal.
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