Technical data

Specifications 7
Agilent U1251B/U1252B User’s and Service Guide 153
Input Impedance
Ta bl e 7 - 6 Input impedance
[1] For 5 V to 1000 V range, the specified input impedance in parallel with 10
MΩ at dual display.
[2] The specified input impedance (nominal) in parallel with <100 pF.
Function Range Input Impedance
DC Voltage
[1]
50.000 mV 10.00 MΩ
500.00 mV 10.00 MΩ
1000.0 mV 10.00 MΩ
5.0000 V 11.10 MΩ
50.000 V 10.10 MΩ
500.00 V 10.01 MΩ
1000.0 V 10.001 MΩ
AC Voltage
[2]
50.000 mV 10.00 MΩ
500.00 mV 10.00 MΩ
1000.0 mV 10.00 MΩ
5.0000 V 10.00 MΩ
50.000 V 10.00 MΩ
500.00 V 10.00 MΩ
1000.0 V 10.00 MΩ
AC + DC Voltage
[2]
50.000 mV 10.00 MΩ
500.00 mV 10.00 MΩ
1000.0 mV 10.00 MΩ
5.0000 V 11.10 MΩ || 10 MΩ
50.000 V 10.10 MΩ || 10 MΩ
500.00 V 10.01 MΩ || 10 MΩ
1000.0 V 10.001 MΩ || 10 MΩ