VESDA PipeNetwork Design Guide VESDA by Xtralis
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8.3 Localized Detection
There are instances where a specific objects within a room requires special monitoring. In-cabinet sampling
uses capillaries to sample air from inside cabinets which are used for electrical, IT, or other mission-critical
purposes. The capillaries are suspended from a sampling pipe at the top of the equipment cabinet, or come up
from an under floor void.
Legend
A Capillary
B Drop pipe
C Floor void capillary
Figure 8-2: In-cabinet air sampling with capillaries, drop pipes and under floor sampling methods
When installing in-cabinet sampling from under the floor, the capillary will still always be suspended inside the
top of the cabinet.
Figure 8-3: Above cabinet sampling
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