Features and Functions 2
U1731B/U1732B User’s and Service Guide 15
Tolerance
The tolerance ranges available are 1%, 5%, 10%, and 20%. To enter
tolerance mode, insert the appropriate component as a standard value into
the socket or connect the component to the test probes, then press the
TOL key to set this value, as the standard reference tolerance. Similarly,
any value which appears on the display, such as DH or MAX/MIN/AVG,
can be used as a standard value to sort components. Press this key again
to cycle through 1%, 5%, 10% and 20% tolerance as desire.
This function is designed for convenient component sorting. The beeper
will beep three times whenever the component under test exceeds the
setting tolerance. Conversely, when the beeper beeps once, this indicates
that the component is within the setting tolerance.
Auto/Manual Range
The LCR meter is set to auto- ranging mode by default when the meter is
powered- on. For specific measurement, press AUTO/MANUAL key to
select manual ranging. To return to the auto- ranging mode, press and hold
the AUTO/MANUAL key for more than one second.
1 The tolerance mode cannot be activated if "OL” or "0000" is shown on the display or when the
tested capacitance value is below 10 counts.
2 Tolerance mode is only available in manual ranging; however, activation while in auto-ranging will
automatically set the LCR meter to manual ranging and cause calibration prompts to be displayed
in the recommended ranges.
3 The tolerance mode cannot be activated if the LCR meter is set to auto-ranging with data hold
mode activated.
4 The 20% tolerance selection is only available for U1732B.
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