CCT Chambers – Controlled Humidity Mode – how it works

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This mode of operation is provided as standard on all models of Ascott CCT chamber. During this mode, air is drawn from the room in which the chamber is located, and may be heated (subject to user adjustable settings) before being blown into the chamber at a controlled rate. The rate at which this air is blown into the chamber is determined automatically, so that it mixes with an appropriate amount of the existing air inside the chamber. The air inside the chamber, which may have been humidified (also subject to user adjustable settings) mixes with the air blown into the chamber to create a temperature and humidity controlled atmosphere.

In this mode of operation, the chamber can be used to create user adjustable, humidity controlled atmospheres, up to 95%RH, at temperature controlled atmospheres from ambient to +60°C/140°F, and is designed to meet a wide range of international standards for such testing.

The control system fitted to Ascott CCT chambers enables the user to program whether controlled humidity is conducted alone, or in sequence with other climates, to form a cyclic corrosion test, for automatic execution by the chamber.