Table 3.
Thermal performance of steam disinfector using the Ao Concept according to EN ISO 15883.
| Probe position | Maximum temperature reached |
Time (sec) at (A0 equivalent) |
|||
|---|---|---|---|---|---|
| (oC) | ≥70 °C | ≥80 °C | ≥90 °C | ≥93 °C | |
|
Upper Layer (i) No Fan; 90 mls fill volume, lower layer empty | |||||
| 1 | 100.0 | 800 (A0 = 60) | 600 (A0 = 600) | 400 (A0 = 3000) | 340 (A0 = 6000) |
| 2 | 100.1 | 820 (A0 = 60) | 620 (A0 = 600) | 400 (A0 = 3000) | 320 (A0 = 6000) |
| 3 | 100.5 | 800 (A0 = 60) | 580 (A0 = 60) | 400 (A0 = 3000) | 320 (A0 = 6000) |
| 4 | 99.9 | 780 (A0 = 60) | 580 (A0 = 60) | 400 (A0 = 3000) | 340 (A0 = 6000) |
| 5 | 100.1 | 800 (A0 = 60) | 600 (A0 = 600) | 420 (A0 = 3000) | 340 (A0 = 6000) |
| (ii) Fan [30mins]; 90 mls fill volume, lower layer empty | |||||
| 1 | 98.0 | 516 (A0 = 6) | 400 (A0 = 60) | 280 (A0 = 600) | 200 (A0 = 3000) |
| 2 | 98.4 | 520 (A0 = 6) | 400 (A0 = 60) | 280 (A0 = 600) | 220 (A0 = 3000) |
| 3 | 99.0 | 500 (A0 = 6) | 400 (A0 = 60) | 280 (A0 = 600) | 240 (A0 = 3000) |
| 4 | 98.1 | 500 (A0 = 6) | 400 (A0 = 60) | 280 (A0 = 600) | 200 (A0 = 3000) |
| 5 | 98.5 | 520 (A0 = 6) | 420 (A0 = 60) | 300 (A0 = 600) | 220 (A0 = 3000) |
| (iii) No Fan; 90 mls fill volume, lower layer filled with baby bottles | |||||
| 1 | 95.7 | 510 (A0 = 6) | 300 (A0 = 60) | 120 (A0 = 600) | 60 (A0 = 600) |
| 2 | 96.7 | 510 (A0 = 6) | 330 (A0 = 60) | 120 (A0 = 600) | 60 (A0 = 600) |
| 3 | 96.7 | 510 (A0 = 6) | 330 (A0 = 60) | 150 (A0 = 600) | 90 (A0 = 600) |
| 4 | 95.3 | 480 (A0 = 6) | 270 (A0 = 60) | 90 (A0 = 600) | 30 (A0 = 600) |
| 5 | 96.7 | 510 (A0 = 6) | 300 (A0 = 60) | 120 (A0 = 600) | 60 (A0 = 600) |
|
Lower Layer (i) No Fan; 90 mls fill volume, lower layer empty | |||||
| 6 | 89.9 | 460 (A0 = 6) | 320 (A0 = 60) | 0 | 0 |
| 7 | 88.8 | 360 (A0 = 6) | 200 (A0 = 60) | 0 | 0 |
| 8 | 86.1 | 360 (A0 = 6) | 180 (A0 = 60) | 0 | 0 |
| 9 | 93.0 | 480 (A0 = 6) | 400 (A0 = 60) | 160 (A0 = 600) | 1 |
| 10 | 89.6 | 480 (A0 = 6) | 240 (A0 = 60) | 0 | 0 |
| (ii) Fan [30mins]; 90 mls fill volume, lower layer empty | |||||
| 6 | 89.3 | 180 (A0 = 6) | 60 (A0 = 60) | 0 | 0 |
| 7 | 88.0 | 260 (A0 = 6) | 160 (A0 = 60) | 0 | 0 |
| 8 | 83.5 | 320 (A0 = 6) | 180 (A0 = 60) | 0 | 0 |
| 9 | 90.0 | 260 (A0 = 6) | 140 (A0 = 60) | 0 | 0 |
| 10 | 89.0 | 380 (A0 = 6) | 260 (A0 = 60) | 0 | 0 |
| (iii) No Fan; 90 mls fill volume, inside baby bottles | |||||
| 6 | 95.2 | 560 (A0 = 6) | 380 (A0 = 60) | 220 (A0 = 600) | 100 (A0 = 600) |
| 7 | 96.5 | 660 (A0 = 60) | 480 (A0 = 60) | 220 (A0 = 600) | 160 (A0 = 600) |
| 8 | 95.0 | 640 (A0 = 60) | 400 (A0 = 60) | 161 (A0 = 600) | 79 (A0 = 600) |
| 9 | 95.3 | 620 (A0 = 60) | 421 (A0 = 60) | 200 (A0 = 600) | 141 (A0 = 600) |
| 10 | 97.1 | 719 (A0 = 60) | 559 (A0 = 60) | 320 (A0 = 3000) | 241 (A0 = 3000) |