��Warning: Working with electricity and electrical components can be potentially dangerous. Extreme safety precautions must be followed when taking electrical measurements. Before using a digital multimeter, be sure to read and fully understand the instructions and warnings outlined in the owner's manual. Before diving headlong into how to use your new multimeter, give Fluke's introductory articles into multimeters a read as well. They'll give you a solid rundown about what multimeter is as well as everything it can do, and keep reading to get some tips from our of our favorite electricians. Testing Batteries A fresh battery will produce slightly more than its rated voltage (for this battery, 1.5 volts). Note that this meter has two separate settings: one for volts, alternating current and another for volts direct current