Patient and personnel safety was paramount when a client contacted us about their electric patient trolley which was failing to meet EMC emission tests for the medical industry.

The Challenge

Roxburgh EMC engineers performed pre-compliance testing on a redesigned version of the control enclosure which did not meet the relevant industry requirements for radiated emissions nor the tough IPX9 Ingress Protection tests. Roxburgh engineers were able to quickly resolve both issues and validate performance within our laboratory. As a result, the client was able to obtain mandatory certification with an Authorised Test Laboratory to meet medical standards and become a dependable piece of equipment for patients and medical professionals alike.  

The Solution

The EMC challenge was corrected by making design improvements including the addition of ferrite beads, conductive paint, and improved wiring. To resolve the ingress protection issue, we re-designed the control unit using correctly rated components and an EMI proof, IP rated enclosure from our sister company, Deltron Enclosures. The unit was then subject to further testing. Ingress protection testing was performed in-house to validate IP69K requirements, and then a retest in an Accredited Test Lab to verify that the device conforms to medical emissions regulations.  

Client Benefit

Now meeting IP69K and radiated emissions limits with Roxburgh EMC’s tailored solutions, the latest version patient trolley can be put on the market to improve the care and comfort of individuals in need of medical attention.

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