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High voltage oscilloscope probes, make or buy?
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HighVoltage:
Yes, a vacuum filling would be perfect, but most people do not have access to a vacuum chamber.

These static mixers on the 1:1 mixing material will work great and usually bubble free.
Just discard the first part of material, that come out of the mixing tube.
I did fill my P6015 without vacuum under atmospheric pressure.
Alex Eisenhut:

--- Quote from: HighVoltage on April 15, 2015, 05:27:06 pm ---Yes, a vacuum filling would be perfect, but most people do not have access to a vacuum chamber.

These static mixers on the 1:1 mixing material will work great and usually bubble free.
Just discard the first part of material, that come out of the mixing tube.
I did fill my P6015 without vacuum under atmospheric pressure.

--- End quote ---



?
Mark:
OK, the Tektronix P6015 probe has arrived!  The fluorocarbon bottle was empty, no surprise there.  There is a very small amount of liquid in the probe, but I don't need it anyway as it can handle 13kV without it. 
I also purchased a Testec TT-HVP 15HF as I will need to connect to a couple of places to compare timings. 

To check compensation I used a siglent SDG1020 in pulse mode at 20Vpp, 100Hz. 
The yellow trace is the Testec TT-HVP 15HF and the blue trace is the Tek P6015.  Timebase is 50us.  I haven't touched the P6015 but did twiddle the Testec.  Do these waveforms look ok? 

HighVoltage:
You can probably optimize the P6015 compensation a little more to make get rid of the little dip at the beginning of the high side.
But in general it looks really good already.
Mark:
Thanks HV, not bad for £50?  (70€, $75)
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