European Facility For Airborne Research

European Facility For Airborne Research Aug. 18, 2018, 20:47

Instrument: High Volume Precipitation Spectrometer

Name High Volume Precipitation Spectrometer
Acronym HVPS
Manufacturer Stratton Park Engineering Company Inc.
Manufacturer website http://www.specinc.com
Operated by METOFFICE
Operated onboard

Instrument type

Name Cloud Droplet Size Spectrometer
Acronym Cloud Droplet Spectrometer

Principle of operation

Measured parameter Cloud droplet size spectra, number concentration and water content,
Operating principle

Optical probe. Cloud droplets pass through sample volume, where they scatter a laser beam. Scattered light picked up by detectors allowing size to be determined. Bulk quantities such as total droplet number concentrations, liquid water content, or effective droplet radius can be derived.
or
Other opto-electronic cloud microphysics probe
or
Impactors
or
Replicators

Measurement(s) Clouds & Precipitation

Dimension and weight

External dimension Standard PMS cannister. External parts protrude 31cm forward of canister, 16cm rearwards from the front of the canister and 18cm radius from canister centre line.
Weight 14.0

Performance

Operating mode In situ
Range

Resolution

Sensitivity

Accuracy

Bandwidth

Modifications

Operational restriction

Operational requirements

Power: 115VAC 7.5Amps, 28VDC 0Amps Environmental Factors (Safety/hazards)
Class 3a Laser beam contained between the instrument sampling arms.

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

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This project has received funding from the European Union's Seventh Framework Programme for research, technological development and demonstration under grant agreement no. 312609

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