TESTING NEW INSTALLATIONS TO IGEM/UP/1A
A new installation is deemed to have failed if there is a perceivable drop on the gauge, the test recognises that different types of gauge read to different accuracies.
| Installation Volume | Tightness test duration for water, and 0.5 mbar accuracy electronic gauges. | Tightness test duration for 0.1mbar accuracy electronic gauges. |
| Volume in metres³ | Time in Minutes | Time in minutes |
| Up to 0.06 | 2 | 2 |
| >0.06 up to 0.09 | 3 | 2 |
| >0.09 up to 0.12 | 4 | 2 |
| >0.12 up to 0.15 | 5 | 2 |
| >0.15 up to 0.18 | 6 | 2 |
| >0.18 up to 0.21 | 7 | 2 |
| >0.21 up to 0.24 | 8 | 2 |
| >0.24 up yo 0.27 | 9 | 2 |
| >0.27 up to 0.3 | 10 | 2 |
| >0.3 up to 0.33 | 11 | 3 |
| >0.33 up to 0.36 | 12 | 3 |
| >0.36 up to 0.39 | 13 | 3 |
| >0.39 up to 0.42 | 14 | 3 |
| >0.42 up to 0.45 | 15 | 3 |
| >0.45 up to 0.48 | 16 | 4 |
| >0.48 up to 0.51 | 17 | 4 |
| >0.51 up to 0.54 | 18 | 4 |
| >0.54 up to 0.57 | 19 | 4 |
| >0.57 up to 0.6 | 20 | 4 |
| >0.6 up to 0.63 | 21 | 5 |
| >0.63 up to 0.66 | 22 | 5 |
| >0.66 up to 0.69 | 23 | 5 |
| >0.69 up to 0.72 | 24 | 5 |
| >0.72 up to 0.75 | 25 | 5 |
| >0.75 up to 0.78 | 26 | 6 |
| >0.78 up to 0.81 | 27 | 6 |
| >0.81 up to 0.84 | 28 | 6 |
| >0.84 up to 0.87 | 29 | 6 |
| >0.87 up to 0.9 | 30 | 6 |
| >0.9 up to 0.93 | 7 | |
| >0.93 up to 0.96 | 7 | |
| >0.96 up to 1 | 7 |