4-22
6517B-900-01 Rev. A / Jun 2008
Section 4: Measurement Options
Model 6517B Electrometer User’s Manual
1.
Set up the Model 6517B for the desired measurement (for example, function, range, filter.
2.
Press
CARD
to display the internal scanner options (close channel or perform scan).
3.
Select
PERFORM-SCAN
to display the scan types (internal or external).
4.
Select
INTERNAL
to display the scan count; the scan count indicates the number of times
the scan will be repeated.
5.
If desired, change the scan count and press
ENTER
.
6.
You will then be asked if you wish to use the timer to provide a time interval between scans:
a.
To use the timer, select
YES
. The present interval (in seconds) will be displayed. If
desired, change the interval. Press
ENTER
to continue.
b.
If you do not wish to use the timer, select
NO
.
7.
You will then be asked if you wish to store the readings in the buffer:
a.
To use the buffer, select
YES
. A message indicating the number of readings that will be
stored in the buffer will be displayed. Press
ENTER
to continue.
b.
If you do not wish to use the buffer, select
NO
.
8.
With the message “Press ENTER to begin” displayed, press
ENTER
to start the scan.
9.
After the scan is finished, the following options are available:
a.
Recall data: If readings were stored in the buffer, select RECALL-DATA to display the
stored readings. Use the
RANGE
keys (
and
)
to scroll through the data points.
b.
Scan again: If you wish to repeat the scan(s), select
SCAN-AGAIN
. Press
ENTER
to
start the scan.
c.
Exit: To return to the normal measurement mode, select
EXIT
. Note that stored readings
can still be displayed by pressing the
RECALL
key.
Close/open channels
Perform the following steps to open or close a channel on an internal scanner card:
1.
Press
the
CARD
key to display the internal scanner options (close channel or perform scan)
2.
Place the cursor on
CHANNEL-CLOSURES
and press
ENTER
.
3.
The following channel closure options are available:
a.
To close a channel, place the cursor on
CLOSE-CHANNEL
and press
ENTER
. Use the
RANGE
keys (
and
)
.to display the channel that you wish to close and press
ENTER
. The number of the closed channel will be displayed along with the reading.
b.
To open all channels on the scanner card, place the cursor on
OPEN-ALL-CHANNELS
and press
ENTER
.
External scanning
The Model 6517B can be used with a scanner card installed in an external scanning mainframe
(for example, the Keithley Instruments Model 7001 or 7002 Switch System). With the use of
external triggering, the Model 6517B can measure and store each scanned channel.
For complete information on scanning (internal and external), refer to Section 10 of the Reference
Manual, and the switch system and scanner card instruction manual.
The following steps assume that the Model 6517B is set to the BENCH reset default conditions
and the Model 7001/7002 is set to the RESET default conditions (see
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