Hanna Instruments HI 5421 Manuel D'utilisation page 38

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BAROMETRIC PRESSURE COMPENSATION (Compensation de la pression
atmosphérique
La saturation d'oxygène dissous dépend beaucoup de la pression atmosphérique. Il
est donc nécessaire de compenser cet effet.
ºC
0 m
300 m
600 m 900 m
0 14.6 14.1 13.6 13.1 12.6 12.1 11.7 11.2 10.8 10.4 10.0 9.7 9.3 9.0 8.9
2 13.8 13.3 12.8 12.4 11.9 11.5 11.0 10.6 10.2 9.9
4 13.1 12.6 12.2 11.7 11.3 10.9 10.5 10.1 9.7
6 12.4 12.0 11.5 11.1 10.7 10.3 9.9 9.6
8 11.8 11.4 11.0 10.6 10.2 9.8 9.5 9.1
10 11.3 10.9 10.5 10.1 9.7
12 10.8 10.4 10.0 9.6
14 10.3 9.9
9.6
16 9.9
9.5
9.2 8.8 8.5
18 9.5
9.1
8.8 8.5
20 9.1
8.8
8.4 8.1
22 8.7
8.4
8.1
24 8.4
8.1
7.8
25 8.3
8.0
7.7
26 8.1
7.8
7.5
28 7.8
7.5
7.3
30 7.6
7.3
7.0
32 7.3
7.0
6.8
34 7.1
6.8
6.6
36 6.8
6.6
6.3
38 6.6
6.4
6.1
40 6.4
6.2
5.9
42 6.2
6.0
5.8
44 6.0
5.8
5.6
46 5.8
5.6
5.4
48 5.7
5.5
5.3
50 5.5
5.3
5.1
)
Altitude, au-dessus du niveau de la mer
1200
1500
m
m
9.4 9.0 8.7 8.4
9.3 8.9 8.6 8.3 8.0
9.2
8.9 8.5 8.2 7.9
8.2 7.9 7.6
8.1
7.8
7.8
7.5
7.8
7.5
7.2
7.5
7.2
7.0
7.4
7.1
6.8 6.6 6.4
7.2
7.0
6.7
7.0
6.7
6.5
6.8
6.5
6.3 6.0 5.8
6.5
6.3
6.1
6.3
6.1
5.9
6.1
5.9
5.7
5.9
5.7
5.5
5.7
5.5
5.3
5.6
5.3
5.2
5.4
5.2
5.0 4.8 4.6
5.2
5.0 4.8 4.7 4.5
5.1
4.9 4.7 4.5 4.4 4.2
4.9
4.7 4.6 4.4 4.2
1800
2100
2400
2700 m
m
m
m
9.3
9.2
8.9
8.8
8.4
8.1
7.7
7.6
7.4
7.3
7.0
7.6 7.3
7.0
6.8
7.3 7.0
6.7
6.5
7.0 6.7
6.5
6.2
6.7 6.5
6.2
6.0
6.1
5.9
6.5 6.2
6.0
5.8
6.2 6.0
5.8
5.6
5.6
5.4
5.8 5.6
5.4
5.2
5.6 5.4
5.2
5.0
5.5
5.3
5.1
4.9
5.3
5.1
4.9
4.7
5.1 4.9
4.7
4.6
5.0 4.8 4.6
4.4
4.5
4.3
4.3
4.2
4.0
4.1
3.9
38
3000
3300
3600
3900
m
m
m
m
9.5 9.2 8.8 8.5 8.4
9.0 8.7 8.4 8.0 7.9
8.6 8.2 7.9 7.6 7.5
8.1 7.8 7.5 7.3 7.2
7.8 7.5 7.2 6.9 6.8
7.4 7.1 6.9 6.6 6.5
7.1 6.8 6.6 6.3 6.2
6.8 6.5 6.3 6.1 6.0
6.5 6.3 6.0 5.8 5.7
6.2 6.0 5.8 5.6 5.5
6.0 5.8 5.6 5.4 5.3
5.8 5.6 5.4 5.2 5.1
5.7
5.5 5.3 5.1 5.0
5.6 5.4 5.2 5.0 4.9
5.4 5.2 5.0 4.8 4.7
5.2 5.0 4.8 4.6 4.6
5.0 4.8 4.7 4.5 4.4 89.6
4.9 4.7 4.5 4.3 4.3
4.7 4.5 4.4 4.2 4.1
4.5 4.4 4.2 4.1 4.0 100.4
4.4 4.2 4.1 3.9 3.9 104.4
4.3 4.1 4.0 3.8 3.8 107.6
4.1 4.0 3.8 3.7 3.7 111.2
4.0 3.9 3.7 3.6 3.5 114.8
3.9 3.7 3.6 3.5 3.4 118.4
3.8 3.6 3.5 3.4 3.3 122.0
ºF
4000
m
32.0
35.6
39.2
42.8
46.4
50.0
53.6
57.2
60.8
64.4
68.0
71.6
75.2
77.0
78.8
82.4
86.0
93.2
96.8

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