Wayne Parham Messages: 18794 Registered: January 2001
Illuminati (33rd Degree)
With an oscilloscope, set the input for DC coupling. You'll see an offset, and that reflects the DC level. If all you have is a DVM, you could use a 1Kohm resistor in series and a large capacitor after that in shunt to filter out the AC. The DC level is all that will remain, so just measure it with the DC voltage setting on your meter.