Hmm good thanks ian .how would check a value of ceramic disk on digital multimeter ?

 

Hmm good thanks ian .how would check a value of ceramic disk on digital multimeter ?

Some DMMs have a rudimentary capacitance range, otherwise the only way I can think of is to measure Xc at a known frequency. You have to rectify and smooth the end result before a DMM can read it, and that will be more error than reading for such a low capacitance.

Peal Atlas sell a LCR meter, but its not cheap and I'd have to search for the handbook to look up whether it reads that low.

 

Ok I have a precision gold miltimeter would that do it?. To do this in series I see 3 legs on this which leg doesn't touch the board I should only be using too legs ?

 

Ok I have a precision gold miltimeter would that do it?. To do this in series I see 3 legs on this which leg doesn't touch the board I should only be using too legs ?

I haven't the faintest idea what spec' on the meter you mentioned.

If it has a capacitance range - try it and see if you get an in range reading.

 

Ok thanks in series with two Capictors which leg doesn't get used ? I see three ?

 

Ok thanks in series with two Capictors which leg doesn't get used ? I see three ?

If you use the middle leg - you're measuring one capacitor with the other one hanging over the side.

 

Ok so the two legs that I twisted together is used which other leg do I use ?

 

Ok so the two legs that I twisted together is used which other leg do I use ?

That's if you only want to measure one of the caps - take the 2 end ones to measure the series combo.

 

So I'm not measuring the twisted leg one then ?