Our Tektronics voltage probe P5100A has a label of "1000 VRMS CAT II, 2500 Vpk". Could you please tell me exactly what does it mean?
I'm trying to measure an RF generator output voltage which is expected to be about 2 kV in amplitude in maximum at 13.56 MHz. I interpreted this label that P5100A can withstand 1000 VRMS ~ 1.414 kV in AC voltage amplitude and 2.5 kV transient spike, so I thought I couldn't use this probe for my measurement.
However, the local company engineer said that I can use this for the measurement I want to make. He said a current flowing the probe should be very low so I don't need to be overly concerned. Is what he said really true? I tested this probe and at least the probe looks working at the voltage amplitude of 1.7 kV. Can I go further so 2 kV is reached?
And in terms of "CAT II", What does it try to tell me? Wikipedia said CAT II is associated with low voltage installations such as household appliances, portable tools. It is a rather broad concept. So, Should I consider this seriously?