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CMS Cooling Box


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  2. 06 June 2012

 

The cooling box offers space for four CMS silicon modules.

The temperature within the volume that contains the modules is adjusted by use of four water cooled, high-performance Peltier elements. To lower the humidity, Nitrogen is provided to the cooling box through two flow regulators - one with a high flow rate and one with a low flow rate. The first is only used at the beginning of the test while the second is constantly open during the test to maintain a low humidity in the cooling box.

The Peltier elements and the N2 flow regulators are connected to controller channels of a "JUMO Imago 500" process and program controller.

The temperature is measured with a Platinum resistance thermometer (Pt-100) connected to the controller. Two program channels are allocated to regulate either heating or cooling. The communication between the controller and the PC is established with an RS422/485 serial interface (using Modbus protocol).

 

cooling box cooling box

 

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  1. 19 May 2012

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