tina83e1-d (2018-12)  49 
  Remove particles in the measuring chamber by blowing 
with dry nitrogen (while the vacuum flange of the measur-
ing chamber is pointing downward). 
  Slide a new ionization chamber (2) into the measuring 
chamber (3) until the mechanical stop is reached and 
mount the retaining ring (1) (Spare Parts
 →  57). 
 
3
2
1
Observe correct
orientation of the
ionization chamber
 
  We recommend to perform a leak test (leak rate 
<1×10
-9
 mbar l/s). 
  Carefully slide the measuring chamber cpl. (3) (clean or 
new) into the electronics unit (5) until the mechanical stop 
is reached … 
 
 
Pins aligned straight.