Agilent Technologies HP 5890 II Plus Series, Manual

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Site Preparation
Environmental considerations
7
The HP 5890 is about 50 cm (20 in.) high. The area above the instrument
should be clear. Shelves or other overhanging obstructions limit access to
the top of the instrument and interfere with cooling.
If space is limited, the Oven Exhaust Deflector may improve oven cooling.
It diverts exhaust air up and away from the instrument. It may be
connected to a 4•inchexhaust duct system, routed to a fume hood, or
vented outside the building with 4•inchdiameter furnace duct.
Oven exhaust deflector
Other instruments used with the HP 5890, such as detectors, integrators,
and samplers, may require additional bench space. See those manuals
for details.