Instruction manual
Instruction manual  αlpha DO 2000 
38 
11.2   Appendix 2 – Salinity vs Temperature (@ 760 mmHg) 
The following table shows the Dissolved Oxygen values at different salinity values, at different 
temperatures, at barometric pressure of 760 mmHg. For other pressure levels, the controller 
automatically corrects the value based on the pressure value input. 
Temperature Salinity- ppm 
o
C 
o
F 0 10 20 30 40 
0  32.0  14.6 13.8 13.0 12.1 11.3 
1  33.8  14.2 13.4 12.6 11.8 11.0 
2  35.6  13.8 13.1 12.3 11.5 10.8 
3  37.4  13.4 12.7 12.0 11.2 10.5 
4  39.2  13.1 12.4 11.7 11.0 10.3 
5  41.0  12.7  12.1  11.4  10.7  10.0 
6  42.8  12.8 11.8 11.1 10.5  9.8 
7  44.6  12.1 11.5 10.9 10.2  9.6 
8  46.4  11.8 11.2 10.6 10.0  9.4 
9 48.2 11.5 11.0 10.4 9.8 9.2 
10  50.0  11.3  10.7  10.1  9.6  9.0 
11 51.8 11.0 10.5 9.9 9.4 8.8 
12 53.6 10.7 10.3 9.7 9.2 8.6 
13 55.4 10.5 10.1 9.5 9.0 8.5 
14 57.2 10.3 9.9 9.3 8.8 8.3 
15  59.0  10.1  9.7  9.1  8.6  8.1 
16  60.8 9.8 9.5 9.0 8.5 8.0 
17  62.6 9.6 9.3 8.8 8.3 7.8 
18  64.4 9.4 9.1 8.6 8.2 7.7 
19  66.2 9.2 8.8 8.5 8.0 7.6 
20  68.0  9.1  8.7  8.3  7.8  7.4 
21  69.8 8.9 8.6 8.1 7.7 7.3 
22  71.6 8.7 8.4 8.0 7.6 7.1 
23  73.4 8.6 8.3 7.9 7.4 7.0 
24  75.2 8.4 8.1 7.7 7.3 6.9 
25  77.0  8.2  8.0  7.6  7.2  6.7 
26  78.8 8.1 7.8 7.4 7.0 6.6 
27  80.6 8.0 7.7 7.3 6.9 6.5 
28  82.4 7.8 7.6 7.1 6.8 6.4 
29  84.2 7.7 7.4 7.0 6.6 6.3 
30  86.0  7.6  7.3  6.9  6.5  6.1 
31  87.8 7.4 7.1 6.7 6.4 6.0 
32  89.6 7.3 7.0 6.6 6.3 5.9 
33  91.4 7.2 6.9 6.5 6.2 5.8 
34  93.2 7.1 6.8 6.5 6.1 5.7 
35  95.0  7.0  6.7  6.4  6.0  5.6 
36  96.8 6.8 6.5 6.2 5.9 5.5 
37  98.6 6.7 6.4 6.1 5.8 5.4 
38 100.4 6.6 6.3 6.0 5.7 5.3 
39 102.2 6.5 6.3 5.9 5.6 5.2 
40  104.0  6.4  6.3  5.8  5.5  5.2 










