ABB LWT300 series, Руководство пользователя

Страница: 82 / 108

78
User Guide
Diagnosing from a waveform
Most echo-related problems, as listed in Table 4, can also be diagnosed with the help of the integrated
waveform displayed on the LCD. Waveform management is performed from the
Diagnostics menu.
—
Figure 55
Accessing the waveform display
Introducing the waveform display
The waveform display illustrates the signal traveling along the probe.
—
Figure 56
The waveform display
1 2
3
4 5 6 7
8
1
Display of the level (LVL), distance (DIS), ullage (ULL) or interface (INT) value
2
Display of the blocking distance (BLK) or safety distance (SFD)
Note: this is the only highlighted option that is editable (see
4
)
3
Level or interface marker
4
Exit (⮠) or Edit ( ) indicator
5
Zoom information
6
Reference distance
7
Display value selector
8
Blocking distance (or safety distance, if SFD selected in
2
) marker