During installation, please note that in the vicinity of the probe there is a
BLIND ZONE (or DEAD ZONE) that is 30cm for the 5m probe and 40cm
for the 8m probe, within which the sensor can not measure (Fig. 4, Fig.
5).
1. Dead zone
2. Reference level
S425/C Ultrasonic level sensor – Data Sheet
S
4
2
5
/
C
U
l
t
S
4
2
5
/
C
U
l
t
S
e
S
e
Fig. 4
Fig. 5
r
a
s
o
u
n
d
L
e
r
a
s
o
u
n
d
L
e
n
s
o
r
n
s
o
r
D
D
a
a
Dead
Zone
v
e
l
v
e
l
t
t
a
a
S
S
h
h
e
e
e
e
t
t
Pagina 12