1 - 19
Transpector XPR 3+ Operating Manual
1.16.5  Sensor Installation
Do not touch any surface on the vacuum side of the 
sensor with bare fingers. If it is necessary to touch any of 
these parts, always wear clean linen, nylon, powder free 
latex or vinyl laboratory gloves.
Before installing the sensor on your system, check for 
any signs of loose or broken parts.
Do not attempt to clean the sensor in any kind of solvent. 
Cleaning the sensor requires its disassembly. If the 
sensor is contaminated and needs cleaning, contact 
INFICON.
1.16.5.1  Attaching the Sensor to the Vacuum Chamber
The sensor may be mounted in any position when attaching it to the vacuum vessel 
or chamber.
1 Attach the Transpector XPR 3+ Sensor Flange to the Pirani Interlock Weldment 
Assembly CF-40 Flange with a Cu gasket using ¼-28 x 1¼ in. 12pt SS silver 
plated bolts, with the nut plates on the Transpector XPR 3+ side of the Flange. 
Tighten the bolts finger tight. 
2 Tighten all the bolts evenly and gradually in a star pattern until the flange faces 
come into contact.