6
The lowest part of the funnel shall sit 45 to 60 cm above the instrument (96 to
111 cm above the tabletop).
Fume hood air speed, measured at the base of the intake funnel, shall be around
0.5 m/s.
Given the nature of the exhausted gases (halogen compounds), Katanax
recommends that the piping be internally coated with a corrosion-resistant finish,
PTFE-coated piping being the optimal. (Other corrosive-resistant coatings may be
allowed by your local fire codes.) The same applies to the fan / impeller and any
other part in contact with the gas flow.
Motor and fan / impeller sizing information can unfortunately not be provided by
Katanax, as those strongly depend on factors linked to each individual installation
(pipe diameter, pipe distance to the outside, exhaust baffle type, etc...). Those will
need to be calculated locally for each installation by HVAC engineers.
Table
The counter on which the instrument is to be used must be able to safely
withstand a weight of 54 kg (120 lbs). It is recommended to use the instrument
from a standing position, and adjust table height accordingly.
The tabletop shall be made of a non-combustible material, horizontally flat, rigid,
and stable.
It is advisable that several persons carry the instrument to avoid back injuries.
IMPORTANT:
The instrument can be carried by its bottom plate, or by the two
large handles on each end of the unit top. The safety shield handle shall NOT be
used to carry the instrument.
96-111 cm
(38-44 in.)
30 cm
(12 in.)
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