Contribution by Ujiro
Electricity and water do not go together well, as I am sure that most people are aware. But dust is just as bad for electrical components as is water. Dust hangs in the size of tiny dust particles to larger particles that fall and nothing to hold. Dust can also consist of any materials from the benign skin cells in household dust, conductive metals and liquid particles, harmful for the electrical equipment. Dust also has the nasty habit of blocking filters.
Dust and water are often combined in an industrial environment, which is why electrical equipment, which is produced is operating in circumstances is a rating by both the European Committee for Electrotechnical Standardization (CENELEC) and the International Electrotechnical Commission (IEC). The European IP rating is a numerical standard, a piece of electrical equipment to the level of protection given the ERGO.
The IP–Rating is a two-digit number each digit a separate number code to indicate the protection, the lower the number, the lower the protection and the higher the number the harsher environment it can withstand. The first digit stands for the dust-protection that is granted, the second digit stands for waterproof protection. For example, is an IP65-computer with the highest possible protection (dust IP rating of 0 to 6), with a moderate level of waterproof protection enabling the unit to be protected from water jets, but not enough by immersion in water (water protection of 0 to 8).
The NEMA is very similar to the European system except that in most cases a single ascending number higher (13 is the highest), the number of higher degree of protection is granted. Although some ratings such as Nema 4 which to similar protection that does not offer protection IP65 Nema 4xoffer additional anti-corrosion protection (in most cases, the housing units would be made of stainless steel rather than mild steel therefore able, in the catering and manufacturing) are used.
Check the ratings on the Percon fixed and vehicle mount computer products.
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