|
oxygen |
nitrogen |
The pressure of the gas mixture in the cylinder at 20°С, МПа |
||
|
The volume fraction of oxygen in the gas mixture, % |
Limit the absolute allowable variation, % |
The volume fraction of nitrogen in the gas mixture, % |
Limit the absolute allowable variation, % |
|
|
1÷10 |
± 0,5 |
90÷99 |
± 5,0 |
14,7 |
|
10÷20 |
± 2,5 |
80÷90 |
± 5,0 |
|
|
20÷30 |
± 2,5 |
70÷80 |
± 5,0 |
|
|
30÷40 |
± 2,5 |
60÷70 |
± 5,0 |
|
|
40÷50 |
± 2,5 |
50÷60 |
± 5,0 |
|
|
50÷60 |
± 2,5 |
40÷50 |
± 5,0 |
|
|
60÷70 |
± 2,5 |
30÷40 |
± 5,0 |
|
|
70÷80 |
± 2,5 |
20÷30 |
± 5,0 |
|
|
80÷90 |
± 2,5 |
10÷20 |
± 5,0 |
|
|
90÷99 |
± 2,5 |
1÷10 |
± 0,5 |
|
