ITEM NAME:3.7V of inductor-capacitor ESR meter DIY MG328 multifunction transistor teste Gw.Range from 0: 01mH than 20H, but the accuracy is not good. Both ends of the resistor symbol is shown connected to the tester probes number (1-3). 6 Automatic detection PNP and NPN bipolar transistor, N, P-channel MOSFET, JFET, diodes, dual diode, thyristor SCR.