INFICON Sensistor ILS500 Leak Detection System - Manual (Page 84)

84 Service
ninb63e1-f (1410)
13 Service
Caution
Do not open detector! Service of this equipment may only be carried
out by service organizations authorized for this purpose by INFICON.
Caution
If the detector suffers external damage, it must be checked and repaired by a
service organization authorized by INFICON.