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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

RE: How to use a multimeter to measure a capacitor or resistor

"Inexpensive multimeters will likely not have Capacitance measurement capability, but should have Resistance settings (several ranges, select the range that suits the part being measured)."

Your looking for the OHM setting on your meter looks like an upside down horseshoe, actually the Greek letter Omega.

"To check resistors, power to the device being measured must be OFF, place either probe (makes no differance with this particular measurement) on one side of the resistor & the other probe on the other side, view the meter display. Compare result to value & tolerance as marked on resistor (often via color bands which require decipher). Be certain other circut pathways are not in parallel with the part being measured or false readings will result. ."

If you need to check a resistor or cap in line you will probably have to lift one end. This will insure your not reading through the rest of the circuit. You will only be able to tell if a cap is shorted or open though. Normally a good cap will read a very high resistance. You'll read low if resistance if it is shorted and infinite if it is open


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