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NOx_CAPS_112-001_HPB

operational
🔬 cavity attenuated phase shift spectrometer 🏭 Aerodyne Research 📦 Aerodyne CAPS (2012) S/N 112-001 📌 http://hdl.handle.net/21.11157/b3m6n-jb539
▶ Description

Cavity attenuated phase shift spectrometer 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 7.0 s
Humidity/Temperature control Temperature controlled
Inlet line heating ✓
Filter inlet material PTFE (Teflon)
Inlet filter mesh size 5.0 µm
▶ 📐 Calibration
Gas standard concentration 10.0 µmol/mol
Gas standard uncertainty 0.04 µmol/mol
Gas standard confidence interval 95%

NO₂ Calibration

Type GPT
Automation Automatic
Frequency 6.0 hours
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 –
Meteorology instrument - Pressure – Vaisala Vaisala PTB330 –
▶ 📋 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 1.0 years
▶ 👤 Operators
OperatorLevel
0000-0002-6445-9510 scientist