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IX. Testing Instructions
9.1 Testing Preparation
(1) Press the 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
symbol indicator
No segment
1 segment
2 segments
3 segments
4 segments
Battery voltage (UT512E)
≤13.5V (Power off after
“2Hz” flashes 10 seconds)
13.6~14.3V (“1Hz” flashes)
14.4~15.1V
15.2~16.0V
>16V
Battery voltage (UT512D)
≤9.0V (Power off after
“2Hz” flashes 10 seconds)
9.1~10.4V (“1Hz” flashes)
10.5~11.9V
11.0~12.2V
>12.2V
Note: Do not perform measurement during charging for UT512E, as interlock is
designed between testing and charging ports in structure. UT512D cannot be charged,
if low battery occurs, please replace with battery in same type.
9.2 Battery Charging
（
UT512E)
When charging with battery charger in power on state, the battery power indicator
and the charging symbol are displayed (not displayed when charging in power off
state). When charging with the charging stand, the charging symbol lights up (lighting
up red for “under charging”; green for fully charged; flashes in red and green alternately
to indicate threshold state).
Note: The red indicator light at the battery charger only indicates energizing when
connecting with power grid, it does not indicate if the battery is fully charged. Please
observe the battery charging symbol on the LCD when powering on the tester, to
judge if the battery is charged fully.
To prevent high-voltage electric shock caused by mistaken testing during
charging, the tester is designed with poka-yoke mechanism to meet the safety
standards, that is, the tester cannot be charged with the charger during test, and
the test lead cannot be connected during charging.
UT512E is built with rechargeable lithium battery pack (14.8V, 5200mAh). Please
charge with the supplied dedicated lithium battery charger (16.8V, 2A) (Figure 9.2.1),
or remove the lithium battery pack and then charge it with the adapting charging
stand (optional), as shown in figure 9.2.2.
Fig. 9.2.1 Tester charging
UT512D/E User Manual
UT512D/E User Manual
