State-of-the-art tests for water protection
Impermeability against the ingress of liquids and moisture is an important requirement for almost all touch systems. The protection class test is carried out within the framework of environmental simulations.
The touch panel provides essential protection for the delicate systems inside represent. To do this, it may have to be able to keep out the smallest particles or droplets. The IP protection class code is used to indicate the environmental impact of a touch panel Withstand. The different types of influence are divided into individual IP classes.
With the different degrees of IP protection, differently dimensioned Test probes (e.g. test wire), dust and water are used. Passing an exam with the test equipment used decides on the level of IP protection.
With modern testing facilities, Interelectronix has all the necessary capacities, to perform IP protection tests for water conservation.
IP protection class test
As part of the construction process, Interelectronix 's environmental simulation team of individual touchscreens and touch systems, the prototypes meet the required IP Degree of protection tests in accordance with national and international standards.
As a standard product, Interelectronix offers a Touch screen that is 100% waterproof. Due to this advantage, an ULTRA Touch panel perfectly suited for demanding applications, such as an unprotected Outdoor kiosk vending machines exposed to high humidity or even direct rain is exposed.
IP protection class tests are carried out exclusively in test chambers that correspond to the state-of-the-art and meet the current test standards. The automatic recording of the test parameters ensures the high quality and Reproducibility of a test assured. Tests to protect against water ingress: • • • • • Irrigation test, drip water test (IPX1, IPX2) Splash water test (IPX3, IPX4, IPX4K) Water jet test (IPX5, IPX6, IPX6K) Diving test (IPX7, IPX8) Steam jet testing also according to ISO 20653 (IPX9K) The degree of protection recommended for a touch system cannot be determined across the board. answered. What is relevant is the planned location and the locations that occur there. Environmental impact. In doing so, it must be analysed which water pollution in the worst-case scenario can occur.
An important aspect that is often overlooked in environmental simulation is that the IP protection tests are carried out with normal tap water. For many touch applications, however, it must be noted that cleaning the Surfaces with a cleaning additive to the water. Having detergents In addition to a dirt-dissolving effect, there is also the property that Significantly reduce the surface tension of the water. As a result, water can easier to get into narrow gaps, which further tightens the scrutiny.
In addition, it should be taken into account that cleaning agents replace the seals of resistive Attack touchscreens and through intensive contact over a longer period of time can damage them.
The protection class test should already be carried out during the development and construction of a Touch screens can be taken into account. An early environmental simulation already provides in the Concept phase is valuable, because it provides early indications for further construction and saves a Multitude of expensive prototypes and time-consuming real-world tests.
