12
Model UT511: OPERATING MANUAL
Key Functions
Table 7. Key Description
ON/OFF
CLEAR/
SAVE
LOAD
Turn on or off the Meter. Press and hold
the button for 1 second to turn the Meter
on.
Press to clear the stored data,Push 1
SEC to turn on and off the display
backlight.
Press to store the current measurement
value. The maximum number of stored
reading is 18. When the stored readings
memory is full, the Meter shows FULL
and stop storing. Press
CLEAR
to clear
the stored value in order to store the
next measurement value.
l
Press once to recall the first stored
value.
l
Press again to exit Load feature.
l
Load feature can only be used when
there is no high voltage output.
l
Under insulation resistance measurement
mode: press to select one voltage
range up.
l
Under load mode: press to recall
the previous stored value.
l
Under insulation resistance measurement
mode: press to select one voltage
range down.
l
Under load mode: press to recall
the next stored value.
l
When set the timer duration for the
measurement of insulation resistance
or polarization index, press to
decrement the time. The maximum
length of time is 30 minutes, the
Meter will automatically carry out
measurement.
