Manufactures Specifcations:

General Description:
HV-P30 probe is a passive probe which is connected to an oscilloscope (not included) to measure high voltage wavefrom. It provides the frequency band width of DC to 50 MHz, maximum input voltage of 30 kV dc, and attenuation ratio of 1000: 1.

Specification:
Maximum input voltage: 30 kV (DC + peak ac)
                                            single pulse     40 kV
                                              Repetition signal
Frequency band width:    DC to 50 Mhz, within -3dB
Rise time:                        7 ns or less
Attenuation ratio:             1000: 1         ±5%
Waveform distortion:       ±5% or less, without ringing
Input RC:                         100 Mohm ±5% // 5Pf ± 2pF
Output cable:                   Approx. 3m
Connector type:               BNC type