MM182-001 – Operator Manual
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2.1. Environmental requirements
Make sure the unit is not exposed to direct air draughts on the work surface > 0.1m/s (e.g. air conditioners,
fans, windows, etc.) that could alter the flow system. Keep a proper distance from doors, windows and
passageways as shown in the images below.
Distance from passageways
Distance from a workbench
Distance between two hoods: to be avoided
Renewal of the air necessary to maintain the pressure difference between laboratory and
surrounding environment ≤ 10 Pa.
Minimum hourly air exchanges (8 typically required for chemical laboratory).
Direction of the air thrust in the extraction ducts of the hoods, which must necessarily lead
outside of the building.
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