12
Model UT233: OPERATING MANUAL
Display Symbols
(see figure 3)
Figure 3
1 2 3 4 5 6 7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
1
2
3
4
5
6
7
8
9
10
11
12
Meaning
Calibration symbol
Indicator for data stored is full
Indicator for clear the stored
reading
Data Output is in progress
Data hold is active
Phase sequence
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.
Watt: Sum of Watt
Third phase symbol
Primary reading unit symbol
Second phase symbol
First phase symbol
Symbol
CAL
FUL
CLR
USB
RST
W
3
2
1
Number
