Study 1. Vacuum Decay Gas Leak Test at 250 mbar—Calibrated Air Flow Leak Challenge
| Differential Pressure Readings (Pa) | |||||||
|---|---|---|---|---|---|---|---|
| Negative Control | n | 0.05 ccm | n | 0.10 ccm | n | ||
| Site 1 | Average ± SD | 11 ± 3.7 | 45 | 32 ± 2.1 | 15 | 51 ± 3.0 | 15 |
| Site 2 | Average ± SD | 8 ± 3.4 | 45 | 30 ± 3.0 | 15 | 46 ± 3.8 | 15 |
| Site 3 | Average ± SD | 12 ± 4.2 | 45 | 32 ± 4.8 | 15 | 47 ± 6.9 | 15 |
| Combined Sites | Average ± SD | 11 ± 4.1 | 135 | 31 ± 3.6 | 45 | 48 ± 5.1 | 45 |
| Maximum Reading | 25 | 42 | 62 | ||||
| Minimum Reading | 2 | 24 | 30 | ||||
| % Passed | 100 | 4a | 0 | ||||
| % Failed (Leaked) | 0 | 96 | 100 | ||||
| Average of Reported Lab Averages | x¯ | 10.7 | 31.0 | 48.1 | |||
| Standard Deviation of the Lab Averages | sx¯ | 2.5 | 1.8 | 3.0 | |||
| Repeatability | |||||||
| Standard Deviation | sr | 3.9 | 3.0 | 4.7 | |||
| Reproducibility | |||||||
| Standard Deviation | sR | 4.3 | 3.4 | 5.0 | |||
| Repeatability Limit | r | 11.0 | 8.3 | 13.0 | |||
| Reproducibility Limit | R | 12.1 | 9.4 | 13.9 | |||
↵a Differential pressure readings ≤ dP Ref = 24, 25 Pa.
SD = standard deviation.