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Device Testing

New salt-spray chamber tests corrosion behaviour

| Redakteur: Kathrin Schäfer

Saarland-based Cetecom ICT Services GmbH tests devices for behaviour and functionality in an environmental laboratory, simulating typical life cycles from birth to recycling and also reactions to extreme conditions. A large new salt-spray chamber produces especially harsh environments.

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In the walk-in salt-sprat chamber, Cetecom can perform simulations that reveal how devices would react, for example, to exposure to atmospheric conditions near the sea.
In the walk-in salt-sprat chamber, Cetecom can perform simulations that reveal how devices would react, for example, to exposure to atmospheric conditions near the sea.
( Bild: Cetecom )

How implants or cardiac pacemakers react to conditions inside the human body and whether blood pressure gauges, insulin pumps and diagnostic devices exhibit electromagnetic compatibility are among the questions Cetecom answers. Many devices and electronic components are exposed to mechanical influences such as vibration and jolts during transport or operation. In addition, they must withstand conditions in the natural environment, including humidity and intense sunshine.

The addition of a walk-in salt-spray chamber to the Cetecom laboratory means that further tests of corrosion strains on devices can be conducted. “We are able to expose the test subjects to the most aggressive environmental conditions,” says Armin Dörr, test expert in the Cetecom environmental laboratory. “This can be, for example, air containing salt spray simulating use close to the sea, or also the direct controlled spraying of salt water like a solution containing road salt splashing up through vehicle parts.”

The corrosion behaviour of parts can be simulated in time-lapse fashion. Testing also verifies whether the function of the touch guard in electrical devices is impaired by corrosion. Because higher temperatures affect the corrosion behaviour of devices differently from the way lower ones do, Cetecom benefits from the chamber’s ability to cover a temperature range from ambient to approximately 55°C.

A large test space

The new walk-in facility offers a test space content of some 8,000 l. Internal dimensions of the salt-spray chamber are 3,000 x 2,000 x 1,500 mm. Cetecom uses the testing unit to conduct corrosion strain testing by the application of salt spray in accordance with various German and international standards, including DIN 50 021, ASTM B117 (former), DIN ISO 9227 and IEC 60068-2-52. It can also perform condensed-water tests according to DIN 50 017, ISO 3235, VDA 621-415 and similar standards.

For further information:

Cetecom ICT Services GmbH

Saarbrücken, Germany

www.cetecom.com

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