horiba U-51, Instruction Manual

Page: 131 / 141

6 Reference
107
6.4.4 Atmospheric pressure compensation (DO)
- Relation of altitude and air pressure
General relation of altitude and air pressure is shown below.
Table 6 Relation of altitude and air pressure (m)
Altitude (m) Air pressure (Torr) Air pressure (bar) Air pressure (atm) Air pressure (hPa)
0 760 1.013 1.000 1013
100 751 1.001 0.988 1001
200 742 0.990 0.977 990
300 733 0.978 0.965 978
400 725 0.966 0.953 966
500 716 0.955 0.942 955
600 707 0.943 0.931 943
700 699 0.932 0.920 932
800 691 0.921 0.909 921
900 682 0.910 0.898 910
1000 674 0.899 0.887 899
1100 666 0.888 0.876 888
1200 658 0.877 0.866 877
1300 650 0.867 0.855 867
1400 642 0.856 0.845 856
1500 634 0.846 0.834 846
1600 626 0.835 0.824 835
1700 619 0.825 0.814 825
1800 611 0.815 0.804 815
1900 604 0.805 0.794 805
2000 596 0.795 0.785 795
2100 589 0.785 0.775 785
2200 582 0.776 0.765 776
2300 574 0.766 0.756 766
2400 567 0.756 0.746 756
2500 560 0.747 0.737 747
2600 553 0.738 0.728 738
2700 546 0.728 0.719 728
2800 540 0.720 0.710 720
2900 532 0.710 0.701 710
3000 526 0.701 0.692 701
3200 513 0.684 0.675 684
3400 500 0.667 0.658 667
3600 487 0.649 0.641 649
3800 475 0.633 0.624 633
4000 462 0.617 0.608 617
4200 450 0.601 0.593 601
4400 439 0.585 0.577 585
4600 427 0.569 0.562 569