Fume Hood Controllers In addition to safety, another benefit of properly designed laboratory controls is energy savings. ... TSI Fume Hood Controllers are flexible, measuring air velocity or sash opening and controlling either a Venturi valve or a damper to maintain constant face velocity at various sash openings.
How do I know if my fume hood is working?
- Turn on hood.
- Check the vaneometer. ...
- Match red arrow on sash with red arrow on the side panel of the hood.
- To acquire reading hold vaneometer in the center of the hood.
- Acceptable standard -Chemical fume hoods should operate at a face velocity of (80-120) Linear Feet Per Minute.
Do fume hoods have alarms?
Fume Hood Flow Meter Information and Instructions There are differential pressure gauges and digital monitors with alarms. ... The digital monitors are quite sensitive and can be connected to airflow controllers (variable air volume controllers) and have visual or audible alarms when the velocity is low or too high.