
Figure 7-13: Upper Null Zone
A
C
E
m
0
mV
0.5
1.0
1.5
2.0
2.5
3.0
0
150
300
450
600
750
900
D
B
A. Upper Null Zone
B. Disturbance echo
C. 100% (20 mA)
D. General threshold
E. Product surface echo
Related information
7.5
Service and troubleshooting tools
7.5.1
Analyze the echo peaks
Measurement problems can be understood by studying the position and amplitude of the
different peaks.
Procedure
Under
Menu
, select
Diagnosis
→
Echo Peaks
.
Echo peaks
for a list of possible echo peaks.
Reference Manual
Service and troubleshooting
00809-0100-4480
September 2020
Reference Manual
65