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3 comments
Anonymous Poster

How to Check the Inductor or Choke in a Live Circuit

07/24/2009 10:08 AM

Dear All,

How can we check inductor or choke in live circuit or on PCB board with the help of multimeter probes?

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Anonymous Poster
#1

Re: How to check the inductor or choke in live circuit

07/24/2009 12:12 PM

"How can we check inductor or choke in live circuit or on PCB board with the help of multimeter probes?"

many PCBs provide TP (test point) terminal make it very accessible for troubleshooting purposes, visually pinpoint the correct terminal orientation and check for the choke usage either for HV or LV circuits, simply use the multimeter probes to measure the presence of the power in the circuit, but im uncertain the type of circuit you have.

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Guru

Join Date: Jul 2007
Posts: 4450
Good Answers: 145
#2

Re: How to check the inductor or choke in live circuit

07/24/2009 2:20 PM

You can't with a multimeter. You need a scope.

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Anonymous Poster
#3

Re: How to check the inductor or choke in live circuit

07/24/2009 3:11 PM

hi there , actually u could check it.

u keep the multimeter on the measuring range for the operating voltage and than put the probes on the 2 terminals of the inductor. if u get zero volts meaning the inductor is operative or els u will get the operating voltage onto your multimeter indicating the failiur

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