E 400
Basic maintenance of the analyzer cell
GB
00046
-
E
d
it
io
n
07
-
J
une
08
Replace
the electron collector
and the filaments
Fit the electron collector
1
on the
1
ion emitter by inserting the screw
without tightening it completely.
Fit two new filaments
2
(do not
fasten the connections).
Attachment
hole
2
CAUTION
The good condition and correct setting of these components
are decisive factors in maintaining the detector’s
characteristics.
The turns of each filament must be centered exactly opposite the
electron collector slot:
Y
Y
X
X
•
The X values must be equal.
•
The Y values must be equal.
To obtain this setting on each filament, adjust the relative positions of
each filament and the electron collector before the final tightening.
4/8
Содержание ASM 142
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