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IP-RATED DISPLAY ENCLOSURES FOR CHALLENGING CONDITIONS

Devices intended for harsh industrial or outdoor environments must be IP rated to ensure they provide the right level of protection against dust and water ingress. IP 65 is a good starting point. The first digit 6 confirms complete protection against dust; the second digit 5 certifies that the enclosure can withstand low-pressure jets of water. The 15-minute spray test is based on 12.5 litres/minute (30 kPa) at a distance of three metres.

But protecting the display is not enough. If the device is being used for data recording and storage, then the SD card (and USB connectors) must also be safeguarded within the sealed area – as they are with DATEC-COMPACT. The enclosure must be robust and also resistant to UV rays. Ultraviolet light can cause plastics such as ABS to discolor and degrade. While ABS remains a good plastic for indoor duties, ASA+PC (UL 94 V-0) is a better choice for applications involving UV exposure.