Voltmeter

(noun.) meter that measures the potential difference between two points.

杰夫编辑

• The station had neither voltmeter nor ammeter. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Voltmeters (Fig. 236), or instruments for measuring voltage, are like ammeters except that a wire of very high resistance is in circuit with the movable coil. 伯莎M.克拉克. 科学通论.
• The indicating instruments were of the crudest construction, consisting of two voltmeters connected by pressure wires to the centre of electrical distribution. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

校对:凯特