The European Technology Exposure Facility (EuTEF) was a payload mounted on the exterior of the European ''Columbus'' laboratory, one of the modules of the International Space Station. The facility, mounted onto the exterior of ''Columbus'', provided a platform for multiple types of experiments and materials to be exposed directly to the harsh space environment.
The EuTEF is a programmable, multifunctional architecture that provides uniform interfaces for instruments. Nine instrument modules are accommodated and operated simultaneously. Each experiment is mounted on the ''Columbus'' External Payload Adapter (CEPA), which consists of an adapter plate, the Active Flight Releasable Attachment Mechanism (A-FRAM) and the connectors & harness. The experiments are mounted either directly onto the adapter plate or a support structure that elevates them for optimum exposure to the ram (direction of flight) and zenith directions.
In total, the facility has a mass of . The first set of experiments (successfully mounted during STS-122 and removed during STS-128〔http://spaceflightnow.com/shuttle/sts128/090901fd5/index3.html〕) mounted to the facility included:
*DEBris In-orbit Evaluator (DEBIE-2): micrometeoroid and orbital debris detector
*EuTEF Thermometer (EuTEMP): measure EuTEF's thermal environment
*Earth Viewing Camera (EVC): Earth observing camera
*Exposure experiment (EXPOSE): An exobiological exposure facility
*Flux(Phi) Probe EXperiment (FIPEX): atomic oxygen detector
*Material Exposure and Degradation Experiment (MEDET): examine material degradation
*Plasma Electron Gun Payload (PLEGPAY): plasma discharge in orbit
*An Experiment on Space Tribology Experiment (Tribolab): testbed for the tribology (study of friction on moving parts) properties of materials〔〔
*Scientific research on the ISS
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