10-12
Using the LI-8150 Multiplexer
The hose for the pump (labeled P) has a male fitting. The hose for Air Out (labeled
O) also has a female fitting; this hose has a piece of black shrink wrap. The Air In
hose has a female fitting, and attaches to the port marked I. Insert the hoses until
the fittings snap into place. To remove the hoses, slide the collar on the fittings.
Figure 10-7. Attach the air hoses and control cable.
Chambers
Each LI-8150 side panel has connectors for up to 8 soil chambers (Long-Term
Chambers only); the right panel shown above has connectors labeled 1-8, and the
optional left panel (if present) has connectors labeled 9-16. Note that it is not
necessary to connect the chambers in sequential order; they can be connected to
any port(s) of your choosing. The port numbers are important to note, however, as
they are used in software during measurement setup.
Each chamber has air hoses with a male and female fitting that attach to the Air In
and Air Out connectors for each corresponding chamber connectors; the bundled
electronic cable connects to the fitting labeled CHBR. The photo below shows
some typical LI-8150 connections, including soil chambers and gas sampling
(vertical profiling) lines.
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