Optional Equipment
Teflon Particulate Filter
Thermo Electron Corporation Model 48i Instruction Manual 9-3
Teflon Particulate
Filter
A 5-10 micron pore size, two-inch diameter Teflon® element is available for
the Model 48i. This filter should be installed just prior to the SAMPLE
bulkhead. When using a filter, all calibrations and span checks must be
performed through the filter.
I/O Expansion Board
Assembly
The I/O expansion board provides six analog current output channels (0-20
mA or 4-20 mA) and eight analog voltage inputs (0-10V). The DB25
connector on the rear panel provides the interface for these inputs and
outputs.
Terminal Block and
Cable Kits
The terminal block and cable kit provides a convenient way to connect
devices to the analyzer. The kit breaks out the signals on the rear panel
connector to individual numbered terminals.
Two types of terminal block and cable kits are available. One kit is for the
DB37 connectors and can be used for either the analog output connector or
the relay output connector. The other kit is for the DB25 connector and
can be used for the optional I/O expansion board. The parts available in
these kits can also be purchased separately.
Each kit consists of:
• one six-foot cable
• one terminal block
• one snap track
Note Supporting all of the connections on units with the optional I/O
expansion board requires:
two DB37 kits
one DB25 kit
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