Mobile Lab
FluxSense Mobile Air Monitoring Lab
A customized, fully equipped mobile lab that combines SOF, SkyDOAS, MeFTIR and MeDOAS instruments, including vehicle selection and modification…
Air Monitoring System
MeDOAS Mobile Extractive DOAS
Air Monitoring System from FluxSense
The MeDOAS (Mobile extractive Differential Optical Absorption Spectroscopy) instrument system is designed to measure gas concentrations of BTEX and other gases in the extracted air using internal UV-light. The system consists of a Main Unit with a multi-pass Optical Reflection Cell mounted in a temperature-controlled enclosure…
Manufactured byFluxSense
Overview
About MeDOAS Mobile Extractive DOAS
Note: the MeDOAS system can be mounted on a mobile platform (vehicle) or in a stationary indoor space. A gas inlet for air extraction is needed.Note: Local wind measurements are helpful for the data interpretation.
Technical Data
MeDOAS Mobile Extractive DOAS technical data
- Units (version)
- MeDOAS Main Unit (v4) ; Spec. Unit -L (v2);
- Measurement Principle
- Active, Extractive Multi-Reflection Cell
- Measured Quantity (Unit)
- Concentration in Optical Cell (ppb)
- Light Source
- Internal UV-lamp (Xe)
- Calibration Source
- Internal Pb Hollow Cathode Lamp
- Optical Path Length
- 100-118m
- Flow Rate
- 120 l/min
- Spectrometer Model
- Czerny Turner Grating Spectrograph
- Detector Type
- CCD, Peltier Cooled;
- Spectral Range
- UV, 250-275 nm
- Spectral Resolution
- 0.15 nm
- Standard Species & Detection Limits (ppb)
- Benzene (1) ; Toluene (2) ; Etylbenzene (4) ; p-Xylene (1)
- Additional Species
- Ozone, Sulphur Dioxide, Furfural, Paracresol, Phenol, Naphtalene, Styrene, Trimethyl Benzene
- Sampling Time
- 4 - 10 s
- Dimensions W x H x D
- 450 x 400 x 1750 mm - Main Unit ; 612 x 405 x 322 mm - Spec. Unit -L;
- Weight (kg)
- 112 kg - Main Unit ; 36 kg - Spec Unit
- Housing
- Powder Coated Aluminium (RAL9003)
- Operational Environment;
- Temperature: 5-35 deg C; ; Relative Humidity: 0-90% (non-condensing); ;
- Intern Temp. Regulation
- Heating Plates
- Vibration Suppression
- Pneumatic Mounts
- Supply Voltage
- 100-240V AC, 50/60 Hz
- Nominal Power
- 520 W (with no inlet heater)
- Data Interface
- USB-B
- Software
- FluxMeasure, FluxCtrl, FluxReport
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MeDOAS Mobile Extractive DOAS in detail
Works With
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