Temperature Range |
Cooling source |
Cooling Source Dispose |
Module processing |
Holding time
(open)
|
Holding time
(close)
|
Schematic diagram of heat preservation time |
0.5℃~4℃ |
200902
Cold core
|
Put in minus 20 ℃ more than 4 hours, at indoor temperature placed 10 minutes before use. |
Precooling to 0.5℃~4℃ |
4h |
6h |
 |
0.5℃~4℃ |
Put in minus 20 ℃ more than 4 hours,direct use. |
Indoor temperature |
0.5℃~4℃ |
Put in minus 80 ℃ more than 4 hours,direct use. |
-18℃~-4℃ |
200903
Frozen core
|
Put in minus 20 ℃ more than 6 hours, |
Precooling in -20℃ half an hour |
3h |
4h |
 |
-18℃~-4℃ |
Put in minus 80 ℃ more than 3 hours, |
-78℃~-30℃ |
Pieces of dry ice |
About 200g is directly put into the bottom of the box |
Put the indoor temperature module directly |
4h |
5h |
 |