电压计

电压计	diàn yā jì	voltmeter
电	diàn	lightning / electricity / electric (bound form) / to get (or give) an electric shock / phone call or telegram etc / to send via telephone or telegram etc
电压	diàn yā	voltage
压	yā	to press / to push down / to keep under (control) / pressure
压	yà	used in 压根儿 / used in 压马路 / used in 压板
计	Jì	surname Ji
计	jì	to calculate / to compute / to count / to regard as important / to plan / ruse / meter / gauge