tina83e1-d (2018-12)  25 
 
 
Protective ground 
Products that are not correctly connected to ground 
can be extremely hazardous in the event of a fault. 
Electrically connect the gauge to the grounded 
vacuum chamber. This connection must conform to 
the requirements of a protective connection ac-
cording to EN 61010: 
•  CF connections fulfill this requirement 
•  For gauges with a KF flange, use a conductive 
   
 
 
 
Vacuum component 
Dirt and damages impair the function of the vac-
uum component. 
When handling vacuum components, take appro-
priate measures to ensure cleanliness and prevent 
   
 
 
 
Dirt sensitive area 
Touching the product or parts thereof with bare 
hands increases the desorption rate. 
Always wear clean, lint-free gloves and use clean 
tools when working in this area.