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NOx_CLD_220_SIRTA

installed
🔬 chemiluminescence detector, photolytical converter 🏭 Teledyne 📦 Teledyne T200UP S/N 220
Description

Chemiluminescence detector, photolytical converter operated at the observatory platform Site Instrumental de Recherche par Télédétection Atmosphérique (SIRTA) to perform in-situ measurements of nitrogen oxides (NOx).


🔧 Inlet System
Operated in atmospheric simulation chamber
Measurement height above ground 10.0 m
Measurement height above building 1.5 m
Distance from VOC inlet 0.65 m
Distance from ozone inlet 0.0 m
Inlet tube material PTFE (Teflon)
Residence time 3.33 s
Humidity/Temperature control Nafion dryer
Inlet line heating
Filter inlet material PTFE (Teflon)
Inlet filter mesh size 2.0 µm
⇄ Converter
Type Photolytic
Converter manufacturer Teledyne
Converter serial number 320
Duration of stay in converter or bypass line 0.005 s
Duration of stay in converter 1.0 s
Temperature 294.0 K
📐 Calibration
Gas standard concentration 10.0 µmol/mol
Gas standard uncertainty 0.06 µmol/mol
Gas standard confidence interval 95 %
Zero air Zero Air generator
Zero air manufacturer Teledyne
Zero air model Teledyne 701H

NO Calibration

Type Cylinder/Dilution
Automation Manual
Frequency 1.0 months
NO calibrator manufacturer Teledyne
NO calibrator model Teledyne T700U
NO calibrator serial number 86

NO Certificates (1)

Name: NPL_NOx_2013_SIRTA Supplier: NPL Cylinder: 1635 Valid: 2014-01-01 → 2025-12-01 Applied: 2025-01-01 → 2025-12-01

NO₂ Calibration

Type GPT
Automation Manual
Frequency 3.0 months
NO₂ calibrator manufacturer Teledyne
NO₂ calibrator model Teledyne T700U
NO₂ calibrator serial number 86

NO₂ Certificates (1)

Name: NPL_NOx_2013_SIRTA Supplier: NPL Cylinder: 1635 Valid: 2014-01-01 → 2025-12-01 Applied: 2025-01-01 → 2025-12-01
📏 Auxiliary Measurements
Role Type Manufacturer Model Serial number
Ozone instrument ultra-violet absorption detector Teledyne Teledyne T400 6168
Meteorology instrument - Temperature GUILCOR GUILCOR custom-made
Meteorology instrument - Pressure Vaisala Vaisala custom built
Meteorology instrument - UVA Kipp & Zonen
📋 Measurement QA/QC
Instrument log book Electronic
Checklist 1.0 weeks
✅ Data QA/QC
Time series analysis of calibrations
Time series analysis of compound ratios
@VOC@
📤 Data Submission
Database Submission interval
ACTRIS
👤 Operators