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▶ 🔧 Inlet System

Operated in atmospheric simulation chamber	✗
Measurement height above ground	7.5 m
Distance from VOC inlet	0.0 m
Distance from ozone inlet	0.0 m
Inlet tube material	13 m of 40 mm diameter heated glass folllowed by 2 m 1/4" PTFE
Residence time	3.3 s
Humidity/Temperature control	Nafion dryer
Inlet line heating	✓
Inlet line temperature	40.0 °C
Filter inlet material	PTFE (Teflon)
Inlet filter mesh size	1.2 µm

▶ ⇄ Converter

Type	Photolytic
Converter manufacturer	undefined
Converter serial number	Standalone custom quartz tube PLC
Duration of stay in converter or bypass line	1.0 s
Duration of stay in converter	1.0 s

▶ 📐 Calibration

Gas standard concentration	5.17 µmol/mol
Zero air	Zero Air generator
Zero air manufacturer	Ecophysics
Zero air model	Ecophysics PAG003

NO Calibration

Type	Spiking
Automation	Automatic
Frequency	61.0 hours
NO calibrator manufacturer	Air Quality Design
NO calibrator model	Air Quality Design CLD
NO calibrator serial number	305400-Noxy

NO₂ Calibration

Type	GPT
Automation	Automatic
Frequency	61.0 hours
NO₂ calibrator manufacturer	Air Quality Design
NO₂ calibrator model	Air Quality Design CLD
NO₂ calibrator serial number	305400-Noxy

▶ 📏 Auxiliary Measurements

Role	Type	Manufacturer	Model	Serial number
Ozone instrument	ultra-violet absorption detector	Thermo Fisher Scientific	Thermo 49i	S/N 1152780003
Meteorology instrument	–	Campbell Scientific	Campbell Scientific custom built	–

▶ 📋 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
CEDA	1.0 years