When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around ...

We have all had difficulty testing diodes in-circuit. Most DMM’s have a diode Vf function that measures forward drop, but what is the normal voltage drop? Analog VOM’s attempt to measure resistance of ...

3. Connect a precision multimeter with a built-in diode test function and a 1 mA current source to the PG pin, as shown in Figure 1 and Figure 5. Smaller currents can be used, but the system must have ...