NOx_CAPS_N58_SMU
operational
🔬 cavity attenuated phase shift spectrometer
🏭 Envea
📦 Envea AC32M
S/N N58
▶ Description
Cavity attenuated phase shift spectrometer operated at the observatory platform Schmücke to perform in-situ measurements of nitrogen oxides (NOx).
▶ 🔧 Inlet System
| Operated in atmospheric simulation chamber | ✗ |
| Measurement height above ground | 18.0 m |
| Distance from VOC inlet | 0.55 m |
| Distance from ozone inlet | 0.1 m |
| Inlet tube material | PFA/stainless steel |
| Residence time | 2.0 s |
| Humidity/Temperature control | Temperature controlled |
| Inlet line heating | ✓ |
| Inlet line temperature | 25.0 °C |
| Filter inlet material | PTFE (Teflon) |
| Inlet filter mesh size | 5.0 µm |
▶ 🎯 Zeroing
| Zero air | Zero Air generator |
| Zero air generator manufacturer | Breitfuss |
| Zero air generator model | Breitfuss NBS Kompakt |
| Frequency | 25.0 hours |
| Pressure | 5000.0 mbar |
▶ 📐 Calibration
NO₂ Calibration
| Type | Permeation |
| Automation | Automatic |
| Frequency | 25.0 hours |
| NO₂ calibrator manufacturer | Umwelttechnik MCZ |
| NO₂ calibrator model | Umwelttechnik MCZ CMK5 Touch |
| NO₂ calibrator serial number | 15104-448 |
▶ 📏 Auxiliary Measurements
| Role | Type | Manufacturer | Model | Serial number |
|---|---|---|---|---|
| Ozone instrument | ultra-violet absorption detector | Horiba | Horiba APOA-370 | H000ZK79 |
| Meteorology instrument | – | Thies | Thies Kombigerät Climat | 9.5027.20.100 |
▶ 📋 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 |
|---|---|
| EMEP | 1.0 years |
| ACTRIS | 1.0 years |