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Multimeter Command Reference 87Chapter 3
:CURRent:AC
CONFigure:CURRent:AC [<range>|MIN|MAX|DEF|AUTO
[,<
resolution>|MIN|MAX|DEF]] selects the AC current function and allows you to
specify the measurement range and resolution. See the range versus resolution table
at the beginning of this chapter for valid resolution choices for each ac current range.
Parameters
Comments • To select a standard measurement range, specify range as the input signal’s
maximum expected current. The multimeter then selects the correct range that
will accept the input.
• The AUTO or DEFault option for the range parameter enables autorange.
• The MIN and MAX parameters select the minimum or maximum values for
range and resolution:
For range:
MIN = 1A; MAX = 3A
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 3-5 on page 71 for resolution choices.
• To select autorange, specify DEF for range or do not specify a value for the
range and resolution parameters (see next bullet comment). In the autorange
mode, the multimeter samples the input signal before each measurement and
selects the appropriate range.
• To specify the MIN or MAX resolution while autoranging, you must specify the
AUTO or DEF parameter for range and specify MIN or MAX e.g.,
CONF:CURR:AC DEF,MIN or CONF:CURR:AC DEF,MAX or
CONF:CURR:AC AUTO,MIN or CONF:CURR:AC AUTO,MAX (you cannot
omit the range parameter
DEF or AUTO). This prevents the MIN or MAX
resolution from being interpreted as a range setting.
Example Making AC Current Measurements
CONF:CURR:AC 3,MAX
Function: dc current; range selected: 3A;
MAX resolution: 0.3 mA.
SAMP:COUN 3
Take 3 readings; trigger source is IMMediate
by default.
READ?
Place multimeter in wait-for-trigger state and
make measurements; send readings to output
buffer.
enter statement
Enter readings into computer.
Parameter Name Parameter Type Range of Values Default Units
<
range>
numeric 1A|3A|
MIN|MAX|DEF|AUTO
A
<resolution>
numeric
resolution|
| MIN | MAX | DEF
A