Page 99 - SICCO catalog

OPENING AND CLOSING THE DOOR
Test procedure:
A desiccator with three shelves is loaded with approx. 30 beakers. A relative humidity of max. 7% is maintained inside the desiccator. On one shelf and at the bottom of the desiccator there is one tray (350 x 240 mm) with 500 g of silica gel.
Then the airtight door is opened for 10 seconds and then closed. The curves show the development of humidity.
Relative humidity
20 %
18
16
14
12
10
8
6
4
2
0
20
18
16
14
12
10
Star Opening and closing the door » room temperature 22 °C
Relative humidity
20 %
1
1
1
1
1
Star Horizontal Opening and closing the door » room temperature 22 °C
Relative humidity
%
Maxi 1 Opening and closing the door » room temperature 22 °C
Relative humidity
Big-Star and Maxi 2 Opening and closing the door » room temperature 22 °C
24
88
66
44
22
00
24
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48
48
72
72
96
96
120
min
120
min
8
6
4
2
0
8
6
4
2
0
20 %
18
16
14
12
10
24
24
48
48
72
72
96
96
120
min
The initial value is attained after approx. 48 minutes.
The initial value is attained after approx. 58 minutes.
120
min
The initial value is attained after approx. 72 minutes.
The initial value is attained after approx. 48 minutes.
89
Technical Information