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Ingress Protection (IP) Testing in Coimbatore

Ingress Protection (IP) Testing in Coimbatore

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Product Description

CDG is the leader in accredited IP testing with more than 200 products tested each year for various levels of ingress protection, from rain droplets to continuous immersion up to a depth of 6 metres. It is surprising how often we are asked to test a product to the highest IP rating it can go.  This could be taken as an admission by the importer or manufacturer that the product has not been designed to meet a specific IP rating.  We often find that even basic pre compliance with a water hose or jet has not been performed, prior to submission for formal testing. The IP code is most often arranged into two characters, the first character being the protection against ingress of solid foreign objects and the second character being the protection against ingress of water with a combination of different first and second characters possible. Whether you intend your product to be installed in a dry environment or fully exposed to the elements, to fully ensure that the enclosure of your product performs to the IP rating that is required for safe and reliable operation, testing to AS 60529 is a must. Design tips based on our experience with IP testing, When selecting seals, make sure they are designed to meet the number of times the door, gland or aperture will be opened or close dover the anticipated life of the product. An even and adequate compression force is critical for a seal to perform correctly.  Careful consideration should be made in to how and where the compression force is applied and the amount of compression on the seal. E.g. adding extra locks to an electrical cabinet door can help distribute the compressive force on the door seal. Grooves for seals to seat in (o ring seats) can provide a method to help ensure the seal is positioned correctly during installation.  O ring seats can also help improved sealing by distributing the compression force and provide increase resistance to differential pressure conditions. An o ring should be compressed up to a maximum of 30 percent in most applications. Hard 90 bends in seals are usually a primary point of failure.  Ensure seals are given a fairly wide radius when rounding corners. Cable entries, glands or otherwise need to suit the cable shape and size. Often, a Device Under Test (DUT) has more than 1cable entry point with cables being positioned at angles other than 90 degrees. That creates difficulties at sealing of the entry. Small enclosures made from plastics often have the mating interface too weak (flimsy) with the ridge pressing on the seal being thin and sharp but not straight so it misses the seal at some parts along creating gaps in the seam. Spot welded sheet metal enclosures need to be silicone if that fits the design aspirations in the context of IP Codes of protection. Silicone is easy to apply. Seals around the doors are regularly split. If the flange is not continuous there can be gaps that permit water jets passing to the gap in the seal and entering the enclosure. Therefore, positioning of the seal joints is to be given consideration. Door locks are often a point of failure. The outer thread on the lock barrel is not dust and water tight, for example. The locking system should be prototyped and tested in house until the desired outcome is achieved. Again, application of silicone sealant may save the situation. Drain holes should be considered as part of a solution. Birthing vents and filter inserts should be designed to prevent water jets overcoming the barrier if directed under particular angles. Be careful to ensure the products mounting instructions do not compromise the protection levels of the product by providing poorly designed fixing methods. For designers of equipment that requires an IP rated enclosure, it may also be surprising to find that there is no database or listing of accredited IP products or results, with product IP ratings largely a self declaration process.  It is therefore important to ask for evidence of compliance in the form of an accredited test report from an independent lab, if purchasing an enclosure that may be used to house electrical or other components.

Product details

Testing For

Ingress Protection (liquid & solid particles)


IEC 60529

Any Specific Test Criteria

IEC 60529

Device/Equipment Type


Number Of Devices




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