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  • Overall Rating: 4
  • Price: 3
  • Quality: 4
  • Ease Of Use: 5
  • Usefulness: 4
Voltage derating curve – 250MHz Oscilloscope Probe (Max 1200V) Reviews

posted by jirkas on 05/06/2013 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

Well manufactured, good packing, price is OK (in compare with other similar products). Version TX3125 has pretty good frequency characteristic - but.... (see cons).
I was very unpleasant surprised with voltage derating curve versus measured frequency. E. g. only 800V maximal input voltage on 100 kHz frequency, 600V on 200 kHz etc. Too weak for 250 MHz probe... See graph named "Voltage derating curve" on attached image (user manual scan).
Good product with fair price - but it is not true high voltage probe. Although it is not marked as high voltage...


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