Input type    : Balanced differential input

Frequency band: DC up to 100 MHz (-3 dB)

Input attenuation ratio: Switched between 1/100 and 1/1000

Input impedance: Approximately 4 MW,

                 approximately 10pF parallel

Gain accuracy: ±2% (common mode voltage % 400 V)

               ±3% (common mode voltage % 1000 V)

Maximum allowed differential voltage:

               ±350 V (DC + ACpeak) or 250 Vrms (1/100 range)

               ±1400 V (DC + ACpeak) or 1000 Vrms(1/1000 range)

Maximum common mode input voltage:

               ±1400 V (DC + ACpeak) or 1000 Vrms

               (both 1/100 and 1/1000 ranges)

Maximum input voltage: ±1400 V (DC + ACpeak) or

                        1000 Vrms(1/1000 range)

Common Mode Rejection Ratio (CMRR):-80 dB (60 Hz), -50 dB (1 MHz)

Output voltage: ±3.5 V

Output impedance: Used with 1 MW input impedance

Power supplies: Dry cells