Voltmeter and ammeter measurements
You can make voltmeter and ammeter measurements without using the MODE key, such as when
configuring measure-only tests over the remote interface.
To use the 2600B to measure voltage or current:
1. Select the source-measure functions:
▪ Voltmeter: Press the SRC key to select the current source and press the MEAS key to select
the voltage measurement function.
▪ Ammeter: Press the SRC key to select the voltage source and press the MEAS key to select
the current measurement function.
2. Set source and compliance levels. To edit the source level, use the procedure provided in Step 1:
Select and set the source level; to edit the compliance level, use the procedure provided in Step 2:
Set the compliance limit:
▪ Select the lowest source range and set the source level to zero.
▪ Set the compliance level to a value that is higher than the expected measurement.
When using the 2600B as a voltmeter, the voltage compliance limit must be set higher than
the voltage that is being measured. Failure to do this could result in excessive current flow
into the 2600B, incorrect measurements, and possible damage to the instrument.
3. Use the RANGE keys to select a fixed measurement range that accommodates the expected
reading. Use the lowest possible range for best accuracy. You can also select autorange, which
automatically sets the 2600B to the most sensitive range.
4. Connect the voltage or current to be measured. Make sure to use 2-wire connections from the
2600B to the device under test (DUT) (see “DUT test connections” in the Series 2600B User's
Manual).
5. Press the OUTPUT ON/OFF control to turn the output on.
6. View the displayed reading (press the TRIG key if necessary).
7. When finished, press the OUTPUT ON/OFF control to turn the output off.
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