it only reads down to 200ma. You may want something a little more sensitive.
You can get $20 meters that are better for logic level stuff. Even the 8 dollar meters at Harbor Freight have options such as temperature and diode testing, and NPN / PNP transistor testers.
The Fluke 115 is a true RMS type multimeter. So it can measure AC waveforms accurate above the 50/60 mains frequency. A typical multimeter can not do that
What do you plan to do with your instrument?