Select a measure function
The Series 2281 allows you to perform the following
measurement functions.
To set the measure function from the power supply main
menu screen:
1. Press the MENU key.
2. Under Measure, select Settings.
3. Select the button next to Function and press the ENTER
key. The selection window is displayed.
4. Select a measure function.
To set the measure function from the power supply
Home screen:
1. Press the Measure soft key. The selection window is
displayed.
2. Select a measure function.
Specify a measurement range
You can set ranges for the measurement values in the power
supply function. You can set specic ranges or allow the
instrument to choose the ranges automatically.
The measurement range determines the full-scale input for
the measurement. The measurement range also aects the
accuracy of the measurements and the maximum signal that
can be measured.
The Series 2281 has multiple current measurement ranges
and one voltage range. The ranges are listed in the following
table.
Measure functions What the instrument measures
Concurrent (V + I) Measure voltage and current at the
same time
Voltage (V) Only measure voltage
Current (I) Only measure current
Model
number
Current
measurement range
Voltage
measurement range
2281S-20-6 10 A
1 A
100 mA
10 mA
20 V