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Setting cancellation/exit button
●
For setting parameter without high voltage output, short press "ESC" to cancel current
setting and exit. Under "TIME" and "COMP" modes, short press "ESC" consecutively
for twice to return to the interface of continuous insulation resistance measurement.
Data deletion button
●
In "READ" state, short press "CLR" and then press "ENTER" to delete current data,
press "ESC" to exit data deletion function. In "READ" state, the symbol "CLR" and
the storage capacity symbol "2Hz" flash when "CLR" is long pressed for 2 to 3
seconds, press "ENTER" to confirm clearing all saved data, press "ESC" to exit data
deletion function. Note: To delete all saved data after short pressing "CLR", please
long press "CLR" directly to enter after pressing exit button.
Data upload button
●
Short press data upload button to cyclically select Bluetooth (UT513C), WIFI (not
used temporarily) and USB data transfer modes, current transfer mode can be
displayed on the LCD synchronously, select current mode to transfer data through
confirmation button.
When connected to the computer software, press and hold this button to upload all
stored data to the PC.
Bluetooth: Active checking; passive uploading for the tester.
USB: Active loading for the tester.
Timer setting button
●
The default mode of the tester is continuous insulation resistance measurement mode.
Under insulation resistance measurement condition and without testing voltage output,
perform time setting for insulation resistance measurement mode. Short press "TIME"
to cyclically select "Continuous Measurement", "Timer Measurement", "Polarization
Index Measurement" and "Absorption Ratio Measurement", press "ENTER" to
confirm the selection, press "ESC" to unselect and return to default measurement
mode.
Comparison measurement button
●
Under insulation resistance measurement condition and without testing voltage output,
short press "COMP" to select resistance comparison measurement as insulation
resistance measurement mode, the default comparison value is 10MΩ.
Measurement button
●
This button is used to turn on/off insulation resistance measurement or capacitance
measurement. Long press "TEST" for more than 2 seconds to start measurement.
If current measurement function is enabled, the red warning light illuminates the
background of "TEST" button. Short press "TEST" to exit measurement.
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UT513B/C User Manual
UT513B/C User Manual
IX. Testing Instructions
9.1 Testing Preparation
(1) Press power button for more than 2 seconds to turn on the tester. The tester enters
default state after full symbols are displayed on LCD for about 1 second.
Fig. 9.1.1 Full symbols shown on LCD
(2) When the battery power indicator shows only one "segment" of power left, the
indicator flashes to indicate that the battery power is almost used up, which
means battery charging or replacement is needed. If the battery power indicator
shows no "segment", it means the batter power cannot meet power demand, the
tester must be charged or the battery must be replaced. The relation between
"segment" left and "battery voltage" is shown in the table below:
Battery power indicator
Battery voltage
No segment
<13.5V ("2Hz" flashes Power off after 10s)
1 segment
13.6~14.3V ("1Hz" flashes)
2 segments
14.4~15.1V
3 segments
15.2~15.9V
4 segments
>16.0V
Note: Do not perform measurement during charging, interlock is designed between
testing and charging ports in structure.
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