PULSAR MEASUREMENT
13
Standpipe installations
When mounting the IMP+ to a standpipe care should be taken to ensure
that the standpipe is of sufficient diameter with reference to its length, see
the table below for details:
When using a standpipe, fixed to the top of a vessel, ensure that the open
end of the standpipe is clear of any obstructions such as weld seams,
gaskets etc. to avoid unwanted signal returns.
If using standpipes which extend into the vessel, beyond the blanking
distance, but not as far as the empty level, then the open end of the
standpipe should be cut to an angle of 45
o
.
Important Notice
If the equipment is installed or used in a manner not specified in this
manual, then the protection provided by the equipment may be impaired.
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