EUFAR: FAAM100X Passive Cavity Aerosol Spectrometer Probe - instrument

European Facility For Airborne Research April 18, 2024, 13:08

Instrument: FAAM100X Passive Cavity Aerosol Spectrometer Probe

Specifications
Documents (0)

Name	FAAM100X Passive Cavity Aerosol Spectrometer Probe
Acronym	PCASP-100X-FAAM
Manufacturer	Droplet Measurement Technologies
Manufacturer website	http://www.dropletmeasurement.com
Operated by	FAAM
Operated onboard

Instrument type

Name	Aerosol Spectrometer Probe
Acronym	Aerosol Spectrometer

Principle of operation

Measured parameter	Aerosol concentration and size distribution spectra
Operating principle	Passive Cavity: Measures amount of light scattered as aerosol particles cross a laser beam. Particle size determined using Mie theory. The particles are focussed in the field of view by a sheath airstream. Collecting optics arranged such that the probe exhibits a very small lower detection limit. Cannot be used within cloud as measurements contaminated by splashing and/or break-up of cloud droplets. or Condensation Nucleus Counter or Cloud Particle Counter
Measurement(s)	Aerosol

Dimension and weight

External dimension	Standard PMS canister, with external parts protrude 27 cm forward of canister, but within canister diameter
Weight	10.0

Performance

Operating mode	In situ
Range
Resolution
Sensitivity
Accuracy
Bandwidth
Modifications	Modified from original PMS instrument by addition of DMT SPP-200 electronics package.
Operational restriction
Operational requirements	In standard PMS type canister external to the aircraft skin where flow is at free stream velocity and remote from regions of significant flow curvature
Certification approvals	Approved by CAA for use on BAe 146-301.
Additional information

Access, host and processing

Access	Available from Met Office
Could also fit on any aircraft having the following characteristics
General description

Title	Author	Type	Related
No documents.

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