Refrigerator/Incubator Module (R/IM)


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Hardware Description
The Refrigerator/Incubator Module (R/IM) is a temperature-controlled holding unit flown in the Shuttle middeck. It can be used in place of a standard middeck stowage locker or mounted to the Spacelab Middeck Experiment rack.

The R/IM uses a solid-state heat pump to maintain a cooled or heated internal environment. A fan circulates cabin air through the heat pump/heat sink and is exhausted through ducts in the top and bottom surfaces of the unit's outer shell. Air is not circulated within the internal cavity. A vent valve on the front door automatically controls internal pressure. To accommodate experiments, rail guides and fasteners are provided as a means of mounting up to six shelves of experiment hardware. The interior of the R/IM is divided into two holding cavities.

Specifications
Dimensions: 46 x 47.6 x 27.3 cm

Weight: 19.35 kg

Power: 84 W @ 28 4 VDC

Data Acquisition
None

Related Ground-Based Hardware
None

Hardware Publications
Bugg, C.E.: Protein Crystal Growth. NASA TM-4353, February 1992, pp. 219–224.

Missions Flown 1991-1995
SLS-1/STS-40, IML-2/STS-65, PHCF/STS-46, SL-J/STS-47