n.伏特计；电压表
A voltammeter is consisted of a voltmeter and an ammeter. 伏安计是由伏特表和安培表组成的。
Voltmeter is placed in parallel with the electric source. 用伏特计测量电动势时。
The voltmeter shows that there is an electric current. 电压表显示有电流通过。
The voltmeter shows that the voltage between the two poles of the battery is 3.6v. 电压计显示电池两端电压是3.
