Table IV.
Location | Size rangea (μm) | Upper size limit (μm) | Size fraction | Cumulative mass % < stated upper size limit (mean ± SD) | ||
---|---|---|---|---|---|---|
T-FSA | C-FSA | ACI | ||||
Induction port | >9 | Undefined | CPF>4.7 μm | 57.6 ± 3.5 | 60.1 ± 1.2 | 57.7 ± 2.2 |
Stage 2Ab; C-FSA 2b; T-FSA | >4.7 | Undefined | ||||
Stage 5b | 1.0–4.7: C-FSA; 1.1 – 4.7: T-FSA, ACI | 4.7 | FPF<4.7 μm | 42.4 ± 3.5 | 39.9 ± 1.2 | 42.3 ± 2.2 |
Backup filter | <1.0: C-FSA; <1.1: T-FSA, ACI | 1.0: C-FSA; 1.1: T-FSA, ACI | EPF<1.0 μm; EFF<1.1 μm | 3.8 ± 0.5 | 3.5 ± 0.4 | 1.2 ± 0.2 |
n=5
aBased on manufacturer’s nominal calibration data at 28.3 L/min
bBased on numbering in full-resolution ACI