The Keysight 34300A is a high-voltage probe for use with any DMM having an input resistance of 10 Mohm, including the 34401A DMM, the 3457A DMM, the 3458A DMM and the hand held DMMs.
Maximum input (at sea level): 40 kV (dc +peak)
Derated 1% of voltage rating per 100 meters in rise from sea level
Voltage division ratio: 1000:1
Bandwidth: dc to 150 Hz
Input resistance: 1 Gohm
Division ratio accuracy: +/-2% (dc, 1000:1, 10 Mohm termination).
