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Product information
4000 MiD® Instructions, V6695
5.5.4 The source, filter, detector (SFD) assembly
Fig. 6 illustrates the SFD assembly. The assembly consists of the following
components:
The vac-chip flange
The ion guide
The ionchip
Detector assembly
The main SFD assembly and associated parts are not user changeable
parts and Fig. 6 is provided as a reference only. The SFD can only be asD
-
sembled and fitted to the MiD by trained personnel. When fitted, the SFD
assembly creates two chambers: the analytical chamber (housing the ion-
chip and detector) and the ion guide chamber (housing the ion guide).
Fig. 6
The SFD assembly
5.6 The spraychip flange
The spraychip flange is used to connect the MiD’s microspray source to
the SFD and provides the nebuliser gas connection. The spraychip and
vac-chip flanges, once assembled together, generally remain so unless
extensive cleaning is required. To fit the spraychip and vac-chip flanges
together follow the steps below.
1.
Ensure the O-ring is present and then lower the spraychip flange
down onto the front face of the vac-chip flange. Align the three
mounting holes with the threaded sections on the vac-chip flange, as
ion guide chamber
analytical chamber
spraychip flange
vac-chip flange
ion guide
ionchip
detector
assembly
Procedure
