Penlon Limited

Iain Revell

David M White

James Montgomery

Cliff Kersey

Brian Jones

David Martyn White

A vaporizer for delivery of a volatile medium to a gas flow, the vaporizer comprising: a gas delivery unit () which receives a flow of gas and provides a flow of gas containing a metered amount of a vaporized medium; a reservoir unit () which contains a volatile medium and maintains a supply of the vaporized medium, wherein the reservoir unit is selectively fluidly connected to the gas delivery unit; a gas sensing unit () for sensing a flow rate and/or composition of the gas flow; a vaporized medium sensing unit () for sensing a flow rate of the vaporized medium; a manifold () which includes flow paths for the vaporized medium and fluidly connects the reservoir unit and the vaporized medium sensing unit; and a control unit () for controlling a flow rate of the gas flow and an amount of the vaporized medium which is metered into the gas flow.

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Abingdon, United Kingdom

Iain Revell