OVOCs_PTR_P4Q-288_Melpitz
installed
🔬 proton transfer mass spectrometer
🏭 TOFwerk
📦 TOFwerk Vocus PTR-S-TOF
S/N P4Q-288
🕑 Spectra averaging time/time resolution 1.0 s
▶ Description
Proton transfer mass spectrometer operated at the observational platform Melpitz Research Station to perform in-situ measurements of oxygenated volatile organic compounds (OVOCs).
▶ 🔧 Inlet System from 2025-03-01
| Operated in atmospheric simulation chamber | ✗ |
| Measurement height above ground | 4.2 m |
| Measurement height above building | 1.4 m |
| Distance from NOx inlet | 1.6 m |
| Distance from ozone inlet | 1.6 m |
| Inlet tube material | Coated stainless steel with Silconert 2000 (1/4 inch 2.5m + 1/8 inch PTFE (50cm) |
| Residence time | 0.33 s |
| Inlet line heating | ✗ |
| Filter inlet material | PTFE (Teflon) |
| Lower mesh size | 5.0 µm |
| Upper mesh size | 5.0 µm |
▶ 💨 Sample from 2025-03-01
| Sample flow type | Pumping |
| Sample flow rate | 8500.0 mL/min |
| Air flow | 1900.0 mL/min |
| Residence | 0.02 s |
▶ 🧬 Compounds from 2025-03-01
| # | Name |
|---|---|
| 1 | isoprene |
| 2 | benzene |
| 3 | toluene |
| 4 | m/p-xylenes |
| 5 | monoterpenes |
▶ 📐 Calibration from 2025-03-01
| Calibration unit | |
| Ecu system | Integrated in the PTR instrument |
| Integrated | |
| Zero gas generation technique | Catalyst |
| Zero gas generation with catalyst | |
| Catalyst temperature | 400.0 °C |
| Blank substraction | Applied |
| Calibration frequency | 1.0 months |
| Linearity check frequency | 1.0 months |
▶ 📋 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 |
| EMEP | 1.0 years |
▶ 👤 Operators
| Operator | Level |
|---|---|
| 0000-0002-9128-7881 | scientist |