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urn | aircraft:bt-67:sp2_1203-048 |
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contenttype | Summary |
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The UHSAS SP2 is an optical-scattering, laser-based aerosol particle spectrometer for sizing particles in the 0.06 – 1 µm range. The instrument counts particles in up to 100 user-specified sizing bins, with a resolution as fine as 1 nm/bin. This high sensitivity makes the UHSAS ideal for aerosol research and filter testingideal instrument for measuring black carbon, known as soot. It is the only probe in the world that directly measures the black carbon in individual aerosol particles. Its high sensitivity and fast response makes it the premier instrument for characterizing pollution sources and measuring black carbon in snow, ice or water. The instrument measures the time-dependent scattering and incandescence signals produced by individual black carbon containing particles as they travel through a continuous-wave laser beam. Any particle traversing the laser beam will scatter light, and the black carbon component of a particle will absorb some of the laser energy until its temperature is raised to the point at which it incandesces. The amplitude of the incandescence signal is related to the amount of refractory black carbon material contained in the illuminated particle. |
Sensorweb integration |
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urn | aircraft:bt-67:sp2_1203-048 |
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contenttype | Metadata |
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Measurement Technologiesmeasurement technologies | Model |
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UHSAS1206036Spectrometer |
Contacts
Sensorweb integration |
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urn | aircraft:bt-67:sp2_1203-048 |
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contenttype | Contacts |
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Gerd Rohardt | Alfred-Wegener-Institute | Data Scientist Wisotzky-- Institute, Helmholtz Centre for Polar and Marine Research |
Data Scientist | FIELAX GmbH | FIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbH | Engineer In Charge | |
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Components and Specifications
The SP2 system consists of the photometer unit, which is installed in a rack. It is connected via tubing to an air inlet. An external SP2 pump ensures installed in a rack sustains the vacuum in the lines. Additionally, drying cartridges can be installed in the airflow . Air and air flow meter are connected to the system to visually check on the air flow. Operation of the SP2 requires an external monitor for visualization.
Specifications of SP2 (without mounting)
Position
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urn | aircraft:bt-67:sp2_1203-048 |
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contenttype | LocalFrame |
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Origin Description: device sensor unit is installed in a rack. It is connected | with via stainless steel tubes to an air inlet | installed at in the cabin roof. | X | 0.0 none (no description given) | Y | 0.0 none (no description given) | Z | 0.0 none (no description given) |
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Data logging, storage and archiving
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urn | aircraft:bt-67:sp2_1203-048 |
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contenttype | Parameters |
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Sensor O2ARegistry Output Type | Unit |
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conductivity | conductivity | Hz | internal temperature | temperature | Hz | external temperature | water temperature | Hz | first voltage | voltage | V | second voltage | voltage | V | Salinity | salinity | PSUblack carbon mass derived from incandescence | black carbon | ng/m3 | single-particle laser incandescence | radiation | none | single-particle light scattering | particle number concentration | none |
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Rawdata storage on board
Metadata (Metadata Plugin) |
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During flight SP2 data are stored within the photometer unit. |
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Data archiving on land
Metadata (Metadata Plugin) |
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After the flight SP2 data have to be downloaded and are stored within the external devices file system of the aircraft data managment system (DMS). |
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Documentation
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urn | aircraft:bt-67:sp2_1203-048 |
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contenttype | Resources |
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