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Model 2790 SourceMeter
Model 7702 switching module
Connections for the Model 7702 switching module are shown in
2-wire measurement, channels 1 through 40 can be used.
Frequency and period measurement procedure
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1.
2.
3.
4.
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Switch System Reference Manual
Figure 3-11
FREQ and PERIOD connections using Model 7702
switching module
Model 7702
Switching
Module
CAUTION Maximum = 300V peak or RMS, 8 x 10
Make sure the INPUTS switch is in the correct position. To use front panel
inputs, it must be in the "F" (out) position. For switching modules, it must be in
the "R" (in) position.
If a switching channel is presently closed (displayed), press OPEN to open it.
Perform one of the following steps to select the function:
•
Press FREQ to perform frequency measurements.
•
Press SHIFT and then FREQ to perform period measurements.
Use the RANGE
and
expected AC voltage. Details on range are provided in
Apply the AC voltage(s) to be measured.
Do not apply more than the maximum input level s ind icated in
Figure 3-10
and
If using a 7702 switching module, perform the following steps to close the desired
channel:
a.
Press the CLOSE key and select the SINGLE option.
b.
Use
,
,
, and
previously closed channel (if there is one) will open and the specified channel
will close.
H
CH 1-40
L
keys to select a measurement range consistent with the
Figure 3-11
or instrument damage may occur.
to key in the channel number and press ENTER. The
Figure
3-11. For this
AC
Voltage
Source
7
V
Hz.
•
Section
4.
3-29
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