Smiths Detection-watford Limited

David Cutmore

Alastair Clark

David Sharp

William Angus Munro

Paul Douglas Arnold

Rod Wilson

John Fitzgerald

John FitzGerald

A portable ion mobility spectrometry apparatus () for detecting an aerosol and a method for using the apparatus. The apparatus comprises an ion mobility spectrometer (); a portable power source () carried by the apparatus for providing power to the apparatus (); an inlet () for collecting a flow of air to be tested by the spectrometer (); a heater () configured to heat the air to be tested to vapourise an aerosol carried by the air and a controller () configured to control the spectrometer () to obtain samples from the heated air, wherein the controller is configured to increase a heat output from the heater () for a selected time period before obtaining samples from the heated air.

Method and portable ion mobility spectrometer for the detection of an aerosol

A portable ion mobility spectrometry apparatus () for detecting an aerosol and a method for using the apparatus. The apparatus comprises an ion mobility spectrometer (); a portable power source () carried by the apparatus for providing power to the apparatus (); an inlet () for collecting a flow of air to be tested by the spectrometer (); a heater () configured to heat the air to be tested to vaporize an aerosol carried by the air and a controller () configured to control the spectrometer () to obtain samples from the heated air, wherein the controller is configured to increase a heat output from the heater () for a selected time period before obtaining samples from the heated air.

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Hertfordshire, United Kingdom

David Cutmore