General lab & storage
Fume hood
A ventilated enclosure that draws air away from the user to capture and remove harmful vapours, gases and dusts while working with chemicals.
- Pharmaceutical
- Chemicals
- Universities and research
- Environmental testing
- Food testing

Follow your site SOP
This is a typical operating sequence for learning. Your instrument model and approved SOP take precedence.
STAGE 1
Before use
- 1Check the airflow monitor shows normal flow and the test label is in date.
- 2Clear the hood of unnecessary items and check nothing blocks the baffles.
- 3Set the sash to the marked working height or lower.
- If the low-flow alarm sounds, do not start work.
STAGE 2
Working
- 1Work at least 15 cm (6 inches) inside the sash opening.
- 2Raise equipment on blocks so air can flow underneath.
- 3Keep your head outside the hood and move slowly to avoid disturbing the airflow.
- 4Close containers as soon as you have finished with them.
- Do not use the hood as a store for chemicals or waste.
- Avoid walking quickly past an open hood.
STAGE 3
After use
- 1Remove or close all containers.
- 2Wipe the work surface.
- 3Lower the sash fully.
In LimsPulse · Calibration Management
Keep every Fume hood in control: usage logs, calibration and maintenance schedules, and automatic blocking of overdue instruments.