Keysight Technologies 3458A Guide D'utilisation page 256

6 Command Reference
max.
Selects the measurement range. (You cannot use autorange for direct-sampled
measurements). To select a range, you specify max._input as the input signal's
expected peak amplitude. The multimeter then selects the correct range. The
following table shows the max._input parameters and the ranges they select.
Power-on max._input = not applicable
Default max._input = 10 V
%
Is ignored by the multimeter when used with the DSAC or DSDC command. This
parameter is allowed in the command syntax to be consistent with the other
function commands (FUNC, ACT, DCV, etc.).
Remarks
– You cannot use autorange for direct-sampled measurements: you must specify
– Notice that when using the DINT memory/output format the full scale values
256
_ input
max._put parameter
0 to .012
>.012 to .120
>.120 to 1.2
>1.2 to 12
>12 to 120
>120 to 1E3
_
resolution
the range as the first parameter of the DSAC or DSDC command (max._input
parameter).
for direct-sampling are 500% (5 times) the ranges of 10 mV, 100 mV, 1 V, 10 V,
and 100 V. This is particularly important to consider when specifying the
percentage for level triggering. When specifying the level triggering voltage,
use a percentage of the range. For example, assume the input signal has a
peak value of 20 V and you are using the 10 V range. If you want to level
trigger at 15 V, specify a level triggering percentage of 150% (LEVEL 150
Selects range
10 mV
100 mV
1 V
10 V
100 V
1000 V
Full scale
SINT format
12 mV
120 mV
1.2 V
12 V
120 V
1050 V
Keysight 3458A User's Guide
DINT format
50 mV
500 mV
5.0 V
50 V
500 V
1050 V