Keysight E1412A Digital Multimeter User Guide
cxxxiii
MEASure
Multimeter Command Reference
:VOLTage:AC?
MEASure:VOLTage:AC? [<
range
>|MIN|MAX|DEF|AUTO
[,<
resolution
>|MIN|MAX|DEF]]
selects the AC-coupled RMS voltage function and
allows you to specify the range and resolution (see range versus resolution table
at start of chapter).
Parameters
Comments
–
To select a standard measurement range, specify
range
as the input
signal's maximum expected voltage. The multimeter then selects the
correct range to accept the input.
–
The
AUTO
or
DEFault
option for the
range
parameter enables autorange.
The
DEF
option for the
resolution
parameter defaults the integration time
to 10 PLC.
The
MIN
and
MAX
parameters select the minimum or maximum values for
range
: For
range
:
MIN
= 0.1V;
MAX
= 300V.
For
resolution
:
MIN
selects the best resolution (the smallest value) for the
selected range.
MAX
selects the worst resolution (the largest value) for the
selected range. See Table 3-4 for valid resolution choices for each range.
–
To select autorange, specify
DEF
for
range
or do not specify a value for the
range and resolution parameters. In the autorange mode, the multimeter
samples the input signal before each measurement and selects the
appropriate range.
–
To specify a
MIN
or
MAX
resolution while autoranging, you must specify
MEAS:VOLT:AC? DEF
(you cannot omit the
range
parameter). This
prevents the
MIN
or
MAX
resolution from being interpreted as a range
setting and the resulting command becomes
MEAS:VOLT:AC? DEF,MIN
or
MEAS:VOLT:AC? DEF,MAX
.
Example
Making AC Voltage Measurements
MEAS:VOLT:AC? 0.54,MAX
Function: AC volts; range
selected: 1V; MAX resolution: 100
V.
Parameter Name Parameter Type
Range of Values
Default
Units
<
range
>
numeric
0.1V|1V|10V|100V|300V|
MIN|MAX|DEF|AUTO
volts
<
resolution
>
numeric
resolution
|MIN|MAX|DEF
volts
Summary of Contents for E1412A
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