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1-26
Exercise 1 — Basic DMM measurements
The exercise in
readings in the buffer.
Table 1-6
Exercise 1—Measure resistance - store readings in buffer
1
For front panel operation, proceed to step 2.
For remote programming, clear the buffer
2
Restore defaults
Press SHIFT > press SETUP > select RESTORE: FACT.
3
Select 2-wire resistance function:
Press Ω2.
4
Select 100Ω range:
Press RANGE
6
Store 15 readings in buffer
Press STORE > set for 000015 RDGS > press ENTER.
7
Recall buffer readings
Press RECALL > use edit keys to display readings. Press EXIT to exit
recall mode.
1. To avoid problems with remote programming, it is good practice to routinely clear the buffer (TRAC:CLE) at the begin-
ning of a program that performs multiple measurements (SAMP:COUN >1). Restoring *RST or FACTory defaults does
not clear the buffer.
2. FACTory defaults place the instrument in a continuous measurement mode. *RST places the instrument in a non-continuous
measurement mode.
3. READ? triggers and returns 15 readings. These 15 readings are automatically stored in the buffer. See Exercise 5 and 6 for
more information on the READ? command.
4. Statistics for buffer readings are also stored in the buffer. For remote programming, TRAC:DATA? only returns the read-
ings that were stored. It does not return buffer statistics. CALC2 commands are used to calculate and return buffer statis-
tics (see
Section 6
Table 1-6
measures 2-wire resistance on the 100Ω range and stores 15
Front panel operation
2
:
to display "RANGE: 100Ω".
3
:
4
:
for details).
Model 2790 SourceMeter
1
:
®
Switch System Reference Manual
Command
sequence
TRAC:CLE
*RST
FUNC 'RES'
RES:RANG 100
SAMP:COUN 15
READ?
TRAC:DATA?
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