The Amprobe AM-450 Compact Residential Digital Multimeter is designed to safely and accurately troubleshoot a variety of automotive, household and commercial electrical issues. The AM450 allows you to quickly identify and measure AC and DC voltage, DC current, resistance and continuity in residential and commercial circuitry and its components—including outlets, small appliances, light fixtures, batteries (including car batteries) and extension cords — as well as test the continuity of fuses, light bulbs and electrical connections.

Measuring under 5 inches long and weighing just over half a pound, its rugged, compact design allows for easy transport and use. With an operating battery life of 100 hours and operating temperature ranging from 32 degrees F to 104 degrees F, this tool is just as rugged and reliable as it is safe. The AM-450 is rated to CAT III 300V/CAT II 600V, bringing a third-party certified standard of safety to residential and commercial applications.