Digital multimeters are a must-have for electricians, electronic technicians, mechanics, and engineers. This device has made the electricians' and mechanics' jobs easier and a lot safer. It has been around for nearly fifty years, and each iteration seems to be better than the last.  Early digital multimeters don't seem to be much different from analog multimeters (except for the scale and the needle) because they also use manual ranging function. But today's multimeters are easier to use thanks to their auto-ranging function, large digital display, backlight, and a ton of other useful features.  You can use it to [...]