NOx_CLD_78547_Taunus
operational
🔬 chemiluminescence detector, photolytical converter
🏭 Ecophysics
📦 Ecophysics CLD780TR
S/N 78547
📌 http://hdl.handle.net/21.11157/mgnxb-7j390
▶ Description
Chemiluminescence detector operated at the observatory platform Taunus Observatory to perform in-situ measurements of nitrogen oxides (NOx).
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▶ 🔧 Inlet System
| Operated in atmospheric simulation chamber | ✗ |
| Measurement height above ground | 9.7 m |
| Measurement height above building | 2.2 m |
| Distance from VOC inlet | 0.0 m |
| Distance from condensables inlet | 5.0 m |
| Distance from ozone inlet | 0.0 m |
| Inlet tube material | PFA |
| Residence time | 0.4 s |
| Humidity/Temperature control | Temperature controlled |
| Inlet line heating | ✓ |
| Filter inlet material | PTFE (Teflon) |
| Inlet filter mesh size | 0.5 µm |
▶ ⇄ Converter
| Type | Photolytic |
| Converter manufacturer | Air Quality Design |
| Converter model | Air Quality Design BLC/Custom |
| Converter serial number | BLC23-51-100-0923 |
| Duration of stay in converter or bypass line | 0.006 s |
| Duration of stay in converter | 0.006 s |
| Temperature | 20.0 K |
▶ 📐 Calibration
| Gas standard concentration | 1.998 µmol/mol |
| Gas standard uncertainty | 0.02 µmol/mol |
| Gas standard confidence interval | 95% |
| Zero air | Zero Air generator |
| Zero air manufacturer | Kaeser |
| Zero air model | Kaeser SX3 |
NO Calibration
| Type | Cylinder/Dilution |
| Automation | Automatic |
| Frequency | 3.0 months |
| NO calibrator manufacturer | Umwelttechnik MCZ |
| NO calibrator model | Umwelttechnik MCZ CMK5 Touch |
| NO calibrator serial number | 2211-210 |
NO Certificates (1)
Name: NPL_NOx_Taunus
Supplier: NPL
Cylinder: D109144
Valid: 2023-09-26 → 2025-09-25
Applied: 2025-09-03 → ?
NO₂ Calibration
| Type | GPT |
| Automation | Automatic |
| Frequency | 3.0 months |
| NO₂ calibrator manufacturer | Umwelttechnik MCZ |
| NO₂ calibrator model | Umwelttechnik MCZ CMK5 Touch |
| NO₂ calibrator serial number | 2211-210 |
NO₂ Certificates (1)
Name: NPL_NOx_Taunus
Supplier: NPL
Cylinder: D109144
Valid: 2023-09-26 → 2025-09-25
Applied: 2025-09-03 → ?
▶ 📏 Auxiliary Measurements
| Role | Type | Manufacturer | Model | Serial number |
|---|---|---|---|---|
| Ozone instrument | ultra-violet absorption detector | Thermo Fisher Scientific | Thermo Fischer Scientific 49iQ-BABN | 12400232147 |
| Meteorology instrument | – | Vaisala | Vaisala WXT530 | V0411079 |
▶ 📋 Measurement QA/QC
| Instrument log book | Electronic |
| Checklist | 7.0 days |
▶ ✅ Data QA/QC
| Time series analysis of calibrations | ✓ |
| Time series analysis of compound ratios | ✗ |
| @VOC@ | ✗ |
| Other QA/QC method | time series analysis of ambient measurements; O3 and H2O correction |
▶ 📤 Data Submission
| Database | Submission interval |
|---|---|
| ACTRIS | 1.0 years |
▶ 👤 Operators
| Operator | Level |
|---|---|
| 0000-0002-0867-665X | scientist |
| 0000-0002-4900-7460 | scientist |
| 0000-0002-8955-4450 | scientist |