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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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