Keithley 2100/220 USB Digital Bench Multimeter， 6.5-Digit Resolution， 220V Supply Power<img src="http://ecx.images-amazon.com/images/I/41F2gt8cLPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41F2gt8cLPL.jpg" noproxy>