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| Class | 1 | 10 | 100 | 1,000 | 10,000 | 100,000 |
|---|---|---|---|---|---|---|
| Floor Count | * | * | * | * | * | * |
| Velocity | * | * | * | * | ** | ** |
| Static Pressure | * | * | * | * | * | * |
| Face Scan | * | * | 1 | 1 | 1 | 4 |
| Laminarty | * | * | 1 | 2 | N/A | N/A |
| Parallelism | * | * | 1 | 2 | N/A | N/A |
| Recovery | * | * | * | * | * | * |
| Temp, Humidity, Light, Sound | 3 | 3 | 3 | 3 | 3 | 3 |
* Required test
** Recommended test
1. New projects only
2. Raised floor designs only
3. Customer/manufacturer dependent
4. Design may not allow face scan
Floor Count: Air samples taken by a particle counter at a height of 32″ to 40″ above the floor (sample times and air volume typically are 1 minute and 1 CFM).
Velocity: The speed of the air coming out of a filter (FPM feet per minute) assures even airflow through a room and gives you air change ratios.
Static Pressure:
Face Scan: Testing the filter by passing a particle sample probe across its face looking for small pinhole leaks.
Laminarty: Airflow patterns within a room.
Parallelism: Indicates how straight the airflow is over a given distance.
Recovery: How quickly the room or area will clean itself up and return to normal.
Temperature, Humidity, Light, and Sound: The rated performance of each item at specified locations (typically 4′-10′ on center).
