UNI-T UTE9800+ Series User Manual page 29

User's Manual
1. Press the secondary auxiliary key 【 Shift】 in the measurement interface, and press 【 B/A.Range】 key to enter
the setting interface of current range (the display is the current range) as shown in the following figure;
2. Press【▲】or【▼】key to switch 0.05A, 0.1A, 10A, Auto;
3. Press【OK】key to save the current option and return to the measurement interface.
4.2.2 Auto Range
Follow 4.2.1 section to set the range, select Auto (automatic range) at first. A auto/V auto will display on the
left side of the screen when the instrument is in Auto range.
If the measurement range is set to auto range, the instrument will synchronous switch range according to
the size of input signal. The default setting is auto range.
Voltage Range Increasing
Voltage range will be increased when Urms exceeds 120% of the measurement range.
Voltage Range Decreasing
Voltage range will be decreased when Urms is less than 100% of the low range.
Current Range Increasing
Current range will be increased when Irms exceeds 120% of the measurement range.
Current Range Decreasing
Current range will be decreased when Irms is less than 100% of the low range.
4.3 UTE9811+ Measurement Range
4.3.1 Manual Range
If the measurement range is set to manual range, the selected range will not be change even if the size of
input signals changes.
The manual range can select from the following options.
Voltage range：600V, 300V, 150V, 75V.
Current range：20A, 4A, 1A, 0.2A.
*Notes：UTE9811+ is only supports auto range in normal mode, not support manual range. If need to set
manual range in some condition, please refer to UTE9811+ Auxiliary Function.
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