
VACUUM LEAK DETECTOR
VLR ..
and
VLR .. MV
20/05/2020
- 14 -
4.1.2 Stainless steel housing internal view
Interior view with:
20
Three-way valve in the suction line
21
Three-way valve in the measuring line
60 Vacuum
pump
61
Check valve with filter
69 Buzzer
75 Display
board
76 Main
board
102 Pressure
sensor
139 Keypad
140
Contact for serial data transfer
141
Keypad terminal strip
144
Temperature switch, frost protection
75
20
21
144
60
139
76
61
69
102
140
141
Design and Function