
1/4
Edition 04 - September 97
Elastomer cell seal
Used for easier maintenance operations on the analysis cell
(mass spectrometer).
This seal replaces the lead seal and can be reused.
Spare elastomer seal part number:
102823
.
Control panel protection
A Plexiglas cover equipped
with a key is used to lock
the access to the detector
setting parameters for non-
qualified operators.
A 60
Alcatel Vacuum Technology France - ASM 180 TD/TD+ - ASM 181 TD+ User’s Manual
Factory options
These reduce the Helium background noise.
Metal seals
Analyser
cell
Hybrid
turbomolecular
pump
Valve
block
Inlet
port
Inlet
pressure
gauge
(PI 3C)
Metal seal locations
In the event of a high helium concentration in the
room in which the test is being conducted, the
use of this type of seal may generate an increase
in the residual signal of the unit.
3 masses
For use of one of the three following tracer gases:
Helium 4, Helium 3 or Hydrogen 2.