NOx_CLD_nCLD_HPB
installed
🔬 chemiluminescence detector
🏭 Ecophysics
📦 Ecophysics nCLD899
S/N 00903392 (DWD #inv)
📌
21.11157/p6dy6-5q663
▶ Description
Chemiluminescence detector operated at the observatory platform Meteorological Observatory Hohenpeissenberg (DWD) to perform in-situ measurements of nitrogen oxides (NOx).
▶ 🔧 Inlet System
| Operated in atmospheric simulation chamber | ✗ |
| Measurement height above ground | 16.0 m |
| Measurement height above building | 1.86 m |
| Distance from VOC inlet | 6.0 m |
| Distance from condensables inlet | 11.0 m |
| Distance from ozone inlet | 0.0 m |
| Inlet tube material | PFA |
| Residence time | 30.0 s |
| Humidity/Temperature control | Temperature controlled |
| Inlet line heating | ✓ |
| Filter inlet material | PTFE (Teflon) |
| Inlet filter mesh size | 5.0 µm |
▶ ⇄ Converter
| Type | Photolytic |
| Converter manufacturer | Teledyne |
| Duration of stay in converter or bypass line | 1.0 s |
| Duration of stay in converter | 1.0 s |
| Temperature | 300.0 K |
▶ 📐 Calibration
| Gas standard concentration | 10.0 µmol/mol |
| Gas standard uncertainty | 0.04 µmol/mol |
| Gas standard confidence interval | 95% |
| Zero air | Zero Air generator |
| Zero air manufacturer | Ecophysics |
| Zero air model | Ecophysics PAG003 |
NO Calibration
| Type | Cylinder/Dilution |
| Automation | Automatic |
| Frequency | 5.0 days |
| NO calibrator manufacturer | MLU |
| NO calibrator model | MLU AirQrate |
NO Certificates (4)
Name: NPL_NOx_2008_HPB
Supplier: NPL
Cylinder: 195524 SG
Valid: 2008-10-14 → 2009-10-13
Name: NPL_NOx_2012_HPB
Supplier: NPL
Cylinder: P219527
Valid: 2012-01-26 → 2014-01-25
Name: NPL_NOx_2019_HPB
Supplier: NPL
Cylinder: 2795
Valid: 2019-08-30 → 2021-08-29
Name: NPL_NOx_2024_HPB
Supplier: NPL
Cylinder: D180691
Valid: 2024-11-12 → 2026-11-11
NO₂ Calibration
| Type | GPT |
| Automation | Automatic |
| Frequency | 5.0 days |
| NO₂ calibrator manufacturer | MLU |
| NO₂ calibrator model | MLU AirQrate |
NO₂ Certificates (4)
Name: NPL_NOx_2008_HPB
Supplier: NPL
Cylinder: 195524 SG
Valid: 2008-10-14 → 2009-10-13
Name: NPL_NOx_2012_HPB
Supplier: NPL
Cylinder: P219527
Valid: 2012-01-26 → 2014-01-25
Name: NPL_NOx_2019_HPB
Supplier: NPL
Cylinder: 2795
Valid: 2019-08-30 → 2021-08-29
Name: NPL_NOx_2024_HPB
Supplier: NPL
Cylinder: D180691
Valid: 2024-11-12 → 2026-11-11
▶ 📏 Auxiliary Measurements
| Role | Type | Manufacturer | Model | Serial number |
|---|---|---|---|---|
| Ozone instrument | ultra-violet absorption detector | Thermo Fisher Scientific | Thermo 49C | 49C-56028-306 |
| Meteorology instrument - Pressure | – | Vaisala | Vaisala PTB330 | – |
| Meteorology instrument - Humidity | – | E+E Elektronik | E+E Elektronik EE33 | – |
▶ 📋 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 | 0.0 years |
▶ 👤 Operators
| Operator | Level |
|---|---|
| 0000-0002-6445-9510 | scientist |