| name | range (ppm) | in box | |
|---|---|---|---|
| 174A Nitrogen oxide and dioxide-separately measurable | NO;10-300 | 5 | |
| 174A Nitrogen oxide and dioxide-separately measurable | NO;10-300 | 5 | |
| 174B Nitrogen oxide and dioxide-separately measurable | NO2;1-40 | 2x5 | |
| 174B Nitrogen oxide and dioxide-separately measurable | NO2;1-40 | 2x5 |
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