Glossary
A/C
Temperature and humidity control should be considered as part of the full cleanroom HVAC…
Action Level
An established microbial or airborne particle level that, when exceeded, should trigger appropriate investigation…
Actuators
An actuator is a mechanical component that can move a mechanism or system. In…
Adjustable height feet
Feet that can be adjusted to ensure a level system is created, even on…
Advisory Committee on Dangerous Pathogens
The Advisory Committee on Dangerous Pathogens’ (ACDP) role is to provide scientific advice on…
Air changes per hour
The air change rate, or air changes per hour, is the amount of time…
Air cleanliness
A generic term. With regards to cleanrooms, air cleanliness is usually measured by taking…
Air Conditioning
See temperature and humidity control.
Air differential
See pressure cascade.
Air handling units (AHU)
An AHU or Air Handling Unit is used to regulate air within an HVAC…
Air lock
Airborne particle counts
Airborne particle counts are an air sampling method, used to determine if a cleanroom…