European Facility For Airborne Research

European Facility For Airborne Research May 17, 2022, 06:40

Instrument: Cloud Aerosol and Precipitation Spectrometer

Name Cloud Aerosol and Precipitation Spectrometer
Manufacturer Droplet Measurement Technologies
Manufacturer website
Operated by UNIMAN
Operated onboard

Instrument type

Name Cloud/Aerosol Microphysics Multi-function Instrument
Acronym Aerosol/Cloud multi-function

Principle of operation

Measured parameter Aerosol and cloud droplet properties
Operating principle

Measurement(s) Aerosol

Dimension and weight

External dimension PMS/DMT canister mounting instrument
Weight 20.0


Operating mode In situ






Incorporates standard DMT-provided depolarization measurement for backscatter detector of the CAS.

Operational restriction

Operational requirements

28Vdc (10A) instrument power,
1.2kW de-ice power

Certification approvals

Certified on FAAM BAe146 aircraft

Additional information

CAPS is a combined instrument incorporating three parts:
CAS - Cloud and Aerosol Spectrometer - single particle counter size (0.51-50 microns diameter) employing both forward and back-scattered light detection,
CIP-15 - Cloud Imaging Probe, 15 micron pixel size, an optical array imaging probe,
Hot-wire liquid water content detector, similar principle to King probe.

Access, host and processing


Available from University of Manchester

Could also fit on any aircraft having the following characteristics

General description

Title Author Type Related
No documents.
Back to top
Copyright © 2022 EUFAR All rights reserved.