If possible, the instrument should always be deployed so that it is
perpendicular to the current and the water is flowing as unobstructed
as possible through the optics end of the instrument. The diagram
below shows the optimum orientation with respect to the current flow.
To reduce the corrosion of the aluminum parts a zinc anode is
attached to the Connector endcap. This anode must be exposed to
the water for it to be effective.
When mounting the instrument be sure to electrically isolate the
instrument from all other metal. Any contact with other metal can
greatly increase the rate of corrosion. Isolate the instrument with
rubber or plastic to keep the LISST-200X from being the sacrificial
anode for the mounting hardware. Failure to properly isolate the
instrument from all other metal will void the warranty.
A set of stainless steel clamps with rubberized interiors ships as part
of the instrument package. Use these or the plastic clamps for
mounting, and make sure that no metal is in direct contact with the
pressure housing or other components of the instrument. If you lose
the spare clamps, replacement clamps are available for purchase
from Sequoia.
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