Test Chamber and Control Method
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United States of America
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Issued Date -
Jan 9, 2025
app pub date -
Jul 3, 2024
filing date -
Jul 3, 2024
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Abstract
A test chamber and a method for conditioning air in a test space thereof for receiving test material, the test space being configured to be sealed from an environment and temperature-insulated, a cooling device of a temperature control device of the test chamber, which comprises a cooling circuit with carbon dioxide as a refrigerant, a heat exchanger in the test space, a low-pressure compressor, and a high-pressure compressor, a gas cooler, and an expansion valve downstream of the low-pressure compressor in a flow direction of the refrigerant, being used to establish a temperature between −20° C. to +180° C. within the test space, a control device of the test chamber being used to control the temperature and/or a relative humidity in the test space. A dehumidifier bypass of the cooling circuit, which comprises a second expansion valve and a second heat exchanger, is used to dehumidify air in the test space.
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