Help with LCR meter HP 4265B

50AE · 01:38 PM

Hi,

I have an old HP universal bridge 4265B LCR meter that was given to me for free. It was working well in the beginning, I was doing measures alright - chokes, caps, resistances. I didn't power it on since a year. Now, it doesn't want to measure anything at all.

I test it with known values of components, but neither R, C or L does measure correctly. The oscillation arrow doesn't stop at all.
May you guys give any advice? It doesn't look very complicated when I opened it inside.

johnmik · 18th March 2012, 07:25 PM

It's possible it has dirty contacts/switch problems as any older stuff, or if it runs on battery check that, some of these older units ran on AC and Battery.
That is a nice older unit by HP.

JM

epicyclic · 24th March 2012, 08:29 AM

Try moving this thread to "equipment and tools"

18th March 2012, 01:36 PM	#1
50AE diyAudio Member Join Date: Jul 2011 Location: Sofia, Bulgaria	Help with LCR meter HP 4265B Hi, I have an old HP universal bridge 4265B LCR meter that was given to me for free. It was working well in the beginning, I was doing measures alright - chokes, caps, resistances. I didn't power it on since a year. Now, it doesn't want to measure anything at all. I test it with known values of components, but neither R, C or L does measure correctly. The oscillation arrow doesn't stop at all. May you guys give any advice? It doesn't look very complicated when I opened it inside. Last edited by 50AE; 18th March 2012 at 01:38 PM.

18th March 2012, 07:25 PM	#2
johnmik diyAudio Member Join Date: Jun 2006 Location: Connecticut	It's possible it has dirty contacts/switch problems as any older stuff, or if it runs on battery check that, some of these older units ran on AC and Battery. That is a nice older unit by HP. JM __________________ Lots of Kenwood, Pioneer, and Infinity stuff.

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24th March 2012, 08:29 AM	#3
epicyclic diyAudio Member Join Date: Jan 2012	Try moving this thread to "equipment and tools"