10

Model UT231: OPERATING MANUAL

Operation Performed

Button

SAVE

shown on the left secondary display keep
on increasing.  Press 

SAVE

 again to exit.

The maximum number of data store is 99,
when it achieves 99, the Meter shows FUL.
Press 

CLEAR

 to clear the stored reading

in order to store next reading.

CLEAR

At active energy range, press to reset
time the zero, then restart the timing.
At all other ranges, press to clear stored
readings.
Press once at LOAD mode, MR icon
shown, the Meter displays the previous
stored reading, the left secondary
display showing the index decrease
one.

MAX/MIN

Starts recording of maximum and
minimum vales.  Press to step through
maximum (high), minimum (low) and
the current AC voltage True RMS value

Operation Performed

Button

MAX/MIN

at any mode except at the following ranges:

Power factor (main display) + Phase
angle (secondary display)
Active Energy (main display) + Time
(secondary display)

Temperature 

 (main display) +

Temperature   (secondary display)