Measurement Ranges; Selecting A Measurement Range; Manual Ranging And Autoranging - UNI-T UT70D Operating Manual

Measurement Ranges(1)

A measurement range determine the highest value the
Meter can measure. Most Meter functions have more
than one range. See "Accuracy Specifications".
A. Selecting a Measurement Range
Being in the right measurement range is important:
If the range is too low for the input, the Meter displays
to indicate an overload.
If the range is too high, the Meter will not display the
most accurate measurement.
B. Manual Ranging and Autoranging
The Meter has both manual range and autorange options:
In the autorange mode, the Meter selects the best
range for the input detected. This allows you to
switch test points without having to reset the range.
In the manual range mode, you select the range.
This allows you to override autorange and lock the
Meter in a specific range.
The Meter defaults to the autorange mode in measurement
functions that have more than one range. When the Meter
is in the autorange mode,
To enter or exit the manual range mode:
is displayed.