Printers, monitors, touchscreens, computer support, desktop PCs, keyboards, televisions, clocks and other sensitive electronic devices can be stored in protective cases. Obviously, that depends on the type of device size and style of the case, however, from the area in which it will be, depends on the level of protection of housing. Choosing a body, pay special attention to the place where it will be applied. Different environment requires a different defense. Industrial zones, for example, packaging stations, travel agencies, warehouses and storage facilities are often dusty, so many buildings for industrial computers Dust. They completely prevent dust or dirt inside. The European IP rating, or an international system of NEMA is a good guide to characterize levels of protection cases. Housing for dusty areas should have a minimum of 54 points by rating IP, or 4 – by NEMA.
For areas with high humidity or dampness – such as food processing zones, the minimum rate of housing to IP rating should be 65 points, this will prevent the soaking of equipment inside. It is also recommended to use the housing made of stainless steel (316), which does not rust – it also must have 4 points rated NEMA. Some computer cases can be both water and dust-proof (which satisfy the requirements of both IP, and NEMA); such housing is ideal for any industrial environment, including heavy industry. These characteristics show figure IP. To better understanding here is a transcript of indicators of IP. The first digit figure indicates the level of protection from solid objects (dust), the second – a level of protection against liquid objects. Below – transcript levels of protection for each