NOx_CLD_J7JFJ6P8_Vielsalm
NO85NX
operational
▶ Description
Chemiluminescence detector operated at the observatory platform Vielsalm to perform in-situ measurements of nitrogen oxides (NOx).
▶ 🔧 Inlet System
| Operated in atmospheric simulation chamber | ✗ |
| Measurement height above ground | 3.0 m |
| Measurement height above building | 1.0 m |
| Distance from ozone inlet | 0.2 m |
| Inlet tube material | PTFE (Teflon) |
| Residence time | 3.0 s |
| Humidity/Temperature control | None |
| Inlet line heating | ✓ |
| Inlet line temperature | 20.0 °C |
| Filter inlet material | PTFE (Teflon) |
| Inlet filter mesh size | 5.0 µm |
▶ ⇄ Converter
| Type | Molybdenum |
| Converter manufacturer | Horiba |
| Converter model | Horiba APNA-370CE |
| Converter serial number | J7JFJ6P8 |
| Duration of stay in converter or bypass line | 0.5 s |
| Duration of stay in converter | 0.5 s |
| Temperature | 598.15 K |
▶ 📐 Calibration
| Gas standard concentration | 700.0 µmol/mol |
| Gas standard uncertainty | 14.0 µmol/mol |
| Gas standard confidence interval | 95 |
| Zero air | Zero Air generator |
NO Calibration
| Type | Cylinder/Dilution |
| Automation | Manual |
| Frequency | 3.0 months |
NO₂ Calibration
| Type | GPT |
| Automation | Manual |
| Frequency | 3.0 months |
| NO₂ calibrator manufacturer | Horiba |
| NO₂ calibrator model | Horiba APMC-370 |
| NO₂ calibrator serial number | 903605 |
▶ 📏 Auxiliary Measurements
| Role | Type | Manufacturer | Model | Serial number |
|---|---|---|---|---|
| Ozone instrument | ultra-violet absorption detector | Horiba | Horiba AP-370 | 3B751ABX |
| Meteorology instrument | – | – | – | – |
▶ 📋 Measurement QA/QC
| Instrument log book | Electronic |
| Checklist | 1.0 days |
▶ ✅ Data QA/QC
| Time series analysis of calibrations | ✓ |
| Time series analysis of compound ratios | ✗ |
| @VOC@ | ✗ |
▶ 📤 Data Submission
| Database | Submission interval |
|---|---|
| ACTRIS | – |
| EMEP | 1.0 years |