---

▶ 📝 Description

▶ 🔧 Inlet System

Measurement height above ground	8.85 m
Measurement height above building	2.15 m
Distance from VOC inlet	0.0 m
Distance from condensables inlet	4.95 m
Distance from ozone inlet	0.0 m
Inlet tube material	PFA
Residence time	0.5 s
Humidity/Temperature control	Temperature controlled
Inlet line heating	✓
Filter inlet material	PTFE (Teflon)
Inlet filter mesh size	0.5 µm

▶ 📐 Calibration

NO calibration	✓
NO Calibration
Type	Cylinder/Dilution
Automation	Automatic
Frequenzy	3.0 months
NO calibrator manufacturer	Umwelttechnik MCZ
NO calibrator model	Umwelttechnik MCZ CMK5 Touch
NO calibrator serial number	2211-210
Certificates Certificate Applied since Dilution factor Dilution factor uncertainty → certificate → certificate Certificate NPL_NOx_Taunus → applied_since → applied_since Applied since 2025-09-03 11:20:00 1000.0 1.0 %
NO2 calibration	✓
NO2 Calibration
Type	GPT
Automation	Automatic
Frequenzy	3.0 months
NO2 calibrator manufacturer	Umwelttechnik MCZ
NO2 calibrator model	Umwelttechnik MCZ CMK5 Touch
NO2 calibrator serial number	2211-210
Certificates Certificate Applied since Dilution factor Dilution factor uncertainty → certificate → certificate Certificate NPL_NOx_Taunus → applied_since → applied_since Applied since 2025-09-03 11:20:00 1000.0 1.0 %
Concentration	1.998 µmol/mol
Uncertainty	0.02 µmol/mol
Interval	95%
Zero air	Zero Air generator
Zero air manufacturer	Kaeser
Zero air model	Kaeser SX3

▶ 📤 Data Submission

Databases Database Submission ACTRIS 1.0 years

▶ ✅ Data QA/QC

Time series analysis of calibrations	✓
Time series analysis of compound ratios	✗
@VOC@	✗
Bool other	✓
Select if other	time series analysis of ambient measurements; O3 and H2O correction

▶ 📋 Measurement QA/QC

Instrument log book	Electronic
Checklist	7.0 days

▶ 👤 Operators

Operator	Level
User #27	scientist