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Model UT231: OPERATING MANUAL
Display Symbols (see figure 3)
1
2
3
4
24
23
22
21
20
19
18
17
16
15
Figure 3
5
6
7
8
9
10
1 1
12
14
13
Number
Symbol
Meaning
H
1
Data hold is active
2
USB
Data Output is in progress
3
DC
Indicator for DC measurement
4
h
Unit for hour
5
mm
Unit for minute
6
s
Unit for second
7
The battery is low.
Warning: To avoid false
readings, which could lead to
possible electric shock or
personal injury, replace the
battery as soon as the battery
indicator appears.
Symbol of Unit.
8
Hz,
Hz: Hertz. The unit of frequency.
PG,
PG: The unit of phase angle
KVAr
KVAr: The unit of reactive power
Minimum reading
11
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