Section 2: General operation
Model 2281S-20-6 DC Power Supply and Battery Simulator Reference Manual
2-98
077114601 / March 2019
The 2281S has multiple current measurement ranges and one voltage range. These ranges are listed
in the following table.
Model
Current measurement range
Voltage measurement range
2281S
10 A
20 V
1 A
100 mA
10 mA
The following topics explain the details of selecting measurement range for the power supply function.
Selecting a specific measurement range
You must set the measurement function before you can set the measurement range. If you set the
measurement range to a specific value, measurement autoranging is disabled.
To ensure the best accuracy and resolution when selecting a measurement range, use the lowest
range possible that does not cause an overflow error.
To select a measurement range using the front-panel home screen:
1. Press the
HOME
key and select the
Range
key. The Range dialog box is displayed.
2. Use the up and down arrows to select the range. The home page is displayed again with the
selected value.
To select a measurement range using the front-panel Measure Settings screen:
1. Press the
MENU
key.
2. Under Measure, select
Settings
.
3. Select the button next to
Range
. The Range dialog box is displayed.
4. Select the range.
If the instrument displays an overflow message, select a higher range.
You can set specific measurement ranges or allow the instrument to choose the ranges
automatically (power supply function only).
