Table 2 Range of dilutions, details of methane reference gas and expected PPM
Dilutions | Expected PPM with 10% methane | Expected PPM with 50% methane | Expected PPM with 100% methane |
|---|---|---|---|
1:25 | 4000 | ||
1:50 | 2000 | ||
1:100 | 1000 | ||
1:250 | 400 | ||
1:500 | 200 | ||
1:1000 | 100 | ||
1:1500 | 67 | ||
1:2000 | 250 | ||
1:3000 | 167 | ||
1:4000 | 125 | ||
1:6000 | 83 | ||
1:8000 | 63 | ||
1:16000 | 63 | ||
1:20000 | 50 |