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Re: Does anyone have an Agilent 16452A Liquid Test Fixture?

 

On Sun, 24 Oct 2021 at 18:46, Askild <megafluffy@...> wrote:
Hi David,?
As I tried to explain in my previous mail, you can not replace the electrodes.?
They are fixed in place.
The only thing you can change, is the spacer plate between the two halves of the fixture.?
So with thicker spacer, the greater spacing between electrodes,? and lower capacitance.?


Regards,?
Askild?
Yes, I understand that now. I assumed that this would have been made from stainless steel for maximum corrosion resistance. But I see it is 100% nickel, which is blinkin expensive! I could not actually find anyone with suitable material online, but I did not look that hard. I think I would probably get it made from a grade of stainless steel with a high nickel content, as that's much more affordable. I don't have any specific use cases for it - the one time I did want something similar for oil, I found out from someone at NPL that you can't measure the loss of low-loss liquids using an LCR meter.

If making one, I would bury a couple of pt100 platinum resistance thermistors in it, so the temperature can be measured accurately.

Dave .

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