Tested to NSF Standard 49, manufacturer specifications, in house specifications, etc.
Depending on cabinet type and class, testing to include:
- Alarm function verification
- Inflow, downflow and exhaust air flow measurements (FPM/CFM)
- HEPA Filter leak testing & repair or replacement
- Exhaust motor and sheave inspection
- Smoke studies for inflow and downflow
- Temperature and static duct pressure
- Ground polarity checks
- Inspection of installation & proper use
Optional NSF Standard 49 secondary tests or services can include:
- Light intensity (both UVC and fluorescent)
- Sound levels
- Vibration measurements
- Air & Surface viable & non-viable particle counts
- Soap bubble pressure test
- Chlorine dioxide decontamination
- Relative humidity
- New unit setup
- Relocation of existing units