Pepperl+Fuchs NVD-111 Manual page 21

Warning Device NVD-111
Installation
Figure 3.5
1 Fat level sensor FAU-104
2 Shrink tubing
A Air
B Fat, oil, grease (FOG)
C Water
L Water zero line
S Sensor switching point
X Alarm limit (maximum fat layer thickness)
A
2
B
1
C
Mounting the fat level sensor
L
S
EN
EN - 19