{"id":82651,"date":"2022-08-17T12:48:50","date_gmt":"2022-08-17T10:48:50","guid":{"rendered":"https:\/\/www.sesitek.com\/oldsite\/?p=82651"},"modified":"2022-08-17T12:48:50","modified_gmt":"2022-08-17T10:48:50","slug":"how-are-rugged-tablets-tested-for-ruggedness","status":"publish","type":"post","link":"https:\/\/www.sesitek.com\/it\/how-are-rugged-tablets-tested-for-ruggedness\/","title":{"rendered":"How Are Rugged Tablets Tested for Ruggedness?"},"content":{"rendered":"[:en]\n\t\t
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Rugged tablets are built to withstand hazardous conditions. For a tablet to be considered as \u201cfully-rugged\u201d<\/strong>, its every component both internal and external, must be designed and built to operate effectively in extreme conditions. This, therefore, means that a rugged tablet is much more than a normal consumer tablet secured by a tough outer case. To determine whether a tablet is truly rugged, the tablet has to undergo rigorous testing under different conditions including vibrations, temperature, drops, shocks, humidity, and liquids.<\/p>\n

The rugged industry has adopted various standards that provide independent and objective guidance in determining the ruggedness of a device. Some of these standards include the Ingress Protection (IP) rating system<\/strong> and U.S. Department of Defense Environmental Engineering Considerations and Laboratory Tests<\/strong>, commonly known as MIL-STD 810.<\/strong><\/p>\n

Let\u2019s discuss what each of these standards entails and some common tests applied on the rugged tablets to determine their ruggedness.<\/p>\n

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  1. Ingress Protection (IP) rating system<\/strong><\/li>\n<\/ol>\n

    The Ingress Protection (IP) ratings are published by the International Electrotechnical Commission (IEC).<\/strong> The IP ratings measure the degree of protection provided by the mechanical casings or enclosures against intrusion, dust, and water<\/strong>. In a rugged device, the IP rating will indicate how well the rugged casing prevents solids and liquids from reaching the internal parts of the device.<\/p>\n

    The IP rating is displayed as a two-digit number<\/strong> whereby the first digit<\/strong> denotes the level of protection against dust, and the second digit<\/strong> indicates the level of protection against liquids. The first digit is ranked 0 to 6<\/strong> while the second digit is ranked 0 to 9K<\/strong> depending on the degree of protection<\/strong>. Each of these levels is explained below:<\/p>\n

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    1. First Digit: Protection against solid objects<\/strong><\/li>\n<\/ol>\n

      Level 0: <\/strong>This level indicates that there is no protection against any solid objects or particles.<\/p>\n

      Level 1: <\/strong>Protected against objects that are larger than 50mm.<\/p>\n

      Level 2: <\/strong>Protected against objects that are larger than 12.5mm<\/p>\n

      Level 3: <\/strong>Protected from objects that are larger than 2.5mm<\/p>\n

      Level 4:<\/strong> Protected from objects that are larger than 1 mm<\/p>\n

      Level 5:<\/strong> Partial protection against dust and other small particles.<\/p>\n

      Level 6: <\/strong>The tablet is fully protected against dust and other small particulates that may cause the internal parts to malfunction.<\/p>\n

        \n
      1. Second Digit: Protection against liquids<\/strong><\/li>\n<\/ol>\n

        Level 0: <\/strong>Not protected from any liquid or moisture ingression.<\/p>\n

        Level 1: <\/strong>Protected from vertically falling water droplets and condensation.<\/p>\n

        Level 2: <\/strong>Protected against vertically dripping water when the casing is tilted up to 15\u00b0 off vertical.<\/p>\n

        Level 3:<\/strong> Protected against direct moisture spray at angles up to 60\u00b0 off vertical.<\/p>\n

        Level 4:<\/strong> Protected against splashing water from any direction.<\/p>\n

        Level 5: <\/strong>Protected against low-pressure jets of water from any angle. Minimum ingression may occur with no harmful effects.<\/p>\n

        Level 6:<\/strong> Protection against powerful and high-pressure water jets from any direction.<\/p>\n

        Level 7:<\/strong> Protected against ingression during short periods of immersion in water.<\/p>\n

        Level 8:<\/strong> Protected against ingression during long periods of immersion in water.<\/p>\n

        Level 9K:<\/strong> Protection against high-pressure, high-temperature jet sprays, wash-downs, or steam-cleaning procedures<\/p>\n

        Basically, the larger<\/strong> the value of each digit<\/strong> the greater<\/strong> the level of protection<\/strong>. For a tablet to be considered to be fully rugged, it should have a minimum rating of IP54. In most cases, industrial environments tend to be more hostile. Therefore, having a rugged tablet with a rating of IP65 or higher<\/strong> is recommended in such environments.<\/p>\n

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        1. MIL-STD 810<\/strong><\/li>\n<\/ol>\n

          These are standards developed and published by the U.S Department of Defense. The standards include a series of 29 tests<\/strong>, with strict parameters that are used to determine the ability of the device to withstand drops, extreme temperatures, rain, humidity, sand, dust, altitude, and other strenuous conditions. Devices that pass the MIL-STD 810 tests<\/strong> are considered to be fully rugged <\/strong>and can perform optimally in tough conditions.<\/p>\n

          Examples of tests conducted on the rugged Tablets<\/strong><\/h2>\n

          To determine the level of ruggedness in a tablet, several testing procedures are conducted. Some of these tests are discussed below.<\/p>\n

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          1. Liquid-resistance testing<\/strong><\/li>\n<\/ol>\n

            During liquid resistance tests, the tablet is exposed to different amounts of liquids from different angles and directions. The pressure of the liquid and the duration of the test is varied to accurately determine how well the device can withstand liquid intrusion.<\/p>\n

              \n
            1. Sand and dust testing<\/strong><\/li>\n<\/ol>\n

              Sand resistance test is conducted to evaluate how well the tablet can perform in blowing sand conditions. Dust resistance test is performed to evaluate the ability of the device to resist the effects of dust such as clogging openings, penetrating through openings and, forming deposits in the internal parts. In this test, sand and flour may be projected towards the device at different wind speeds and temperature and noting how well the device performs.<\/p>\n

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              1. Extreme temperature testing<\/strong><\/li>\n<\/ol>\n

                The test is used to determine the effects of extreme temperatures on the performance of the device in its different states such as when in use, when turned off, and when it is being turned on. In this test, the device is exposed to extremely hot and cold environments. Also, the device is subjected to sudden temperature changes to evaluate how the device transitions between different temperatures.<\/p>\n

                  \n
                1. Humidity Testing<\/strong><\/li>\n<\/ol>\n

                  The test is used to evaluate how well the device can withstand a warm and humid environment, condensation, and moisture. During this test, the devices are exposed to tropical climatic conditions with a high amount of humidity for several days. Most features that make the device to be water-resistant also make the device to withstand the harmful effects of humidity.<\/p>\n

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                  1. Vibration Testing<\/strong><\/li>\n<\/ol>\n

                    Vibrations are common in some industrial setup. To determine how the tablet will perform under such conditions, laboratory shakers are used to mimic the type of vibrations that are likely to occur when the tablet is being used in a vehicle. The laboratory shakers are adjusted during the tests to include high and low vibration frequencies to simulate different environmental conditions.<\/p>\n

                      \n
                    1. Drop and shock testing<\/strong><\/li>\n<\/ol>\n

                      This test is used to evaluate the strength of the structure and the material of the device. One of the most common tests is the transit drop test<\/strong>. In this test, the device is required to withstand 26 drops from a height of 122 cm. The device is dropped on various angles onto a hard surface such as concrete.<\/p>\n

                      To determine whether a tablet meets the desired level of ruggedness, it must undergo various tests under different conditions. If you are looking for a rugged tablet for your industrial use, it is important to ensure the tablet has met the relevant industry standards.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>[:es]\n\t\t

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                      Las tabletas resistentes est\u00e1n dise\u00f1adas para soportar condiciones peligrosas. Para que una tableta se considere “totalmente resistente”, todos sus componentes, tanto internos como externos, deben dise\u00f1arse y fabricarse para funcionar de manera eficaz en condiciones extremas. Esto, por lo tanto, significa que una tableta robusta es mucho m\u00e1s que una tableta de consumo normal protegida por una carcasa exterior resistente. Para determinar si una tableta es realmente resistente, la tableta debe someterse a pruebas rigurosas en diferentes condiciones, incluidas vibraciones, temperatura, ca\u00eddas, golpes, humedad y l\u00edquidos.<\/p>\n

                      La industria robusta ha adoptado varios est\u00e1ndares que brindan una gu\u00eda independiente y objetiva para determinar la robustez de un dispositivo. Algunos de estos est\u00e1ndares incluyen el sistema de calificaci\u00f3n de protecci\u00f3n de ingreso (IP) y las consideraciones de ingenier\u00eda ambiental y pruebas de laboratorio del Departamento de Defensa de EE. UU., com\u00fanmente conocido como MIL-STD 810.<\/p>\n

                      Analicemos lo que implica cada uno de estos est\u00e1ndares y algunas pruebas comunes aplicadas en las tabletas resistentes para determinar su robustez.<\/p>\n

                      Sistema de calificaci\u00f3n de protecci\u00f3n de ingreso (IP)<\/h2>\n

                      Las clasificaciones de protecci\u00f3n de ingreso (IP) son publicadas por la Comisi\u00f3n Electrot\u00e9cnica Internacional (IEC). Las clasificaciones de IP miden el grado de protecci\u00f3n proporcionado por las carcasas o recintos mec\u00e1nicos contra la intrusi\u00f3n, el polvo y el agua. En un dispositivo resistente, la clasificaci\u00f3n IP indicar\u00e1 qu\u00e9 tan bien la carcasa resistente evita que los s\u00f3lidos y l\u00edquidos lleguen a las partes internas del dispositivo.<\/p>\n

                      La clasificaci\u00f3n IP se muestra como un n\u00famero de dos d\u00edgitos; el primer d\u00edgito indica el nivel de protecci\u00f3n contra el polvo y el segundo d\u00edgito indica el nivel de protecci\u00f3n contra l\u00edquidos. El primer d\u00edgito se clasifica de 0 a 6, mientras que el segundo d\u00edgito se clasifica de 0 a 9K seg\u00fan el grado de protecci\u00f3n. A continuaci\u00f3n se explica cada uno de estos niveles:<\/p>\n

                      Primer D\u00edgito: Protecci\u00f3n contra objetos s\u00f3lidos<\/h2>\n
                        \n
                      • Nivel 0: este nivel indica que no hay protecci\u00f3n contra objetos s\u00f3lidos o part\u00edculas.<\/li>\n
                      • Nivel 1: Protegido contra objetos de m\u00e1s de 50 mm.<\/li>\n
                      • Nivel 2: Protegido contra objetos de m\u00e1s de 12,5 mm<\/li>\n
                      • Nivel 3: Protegido de objetos de m\u00e1s de 2,5 mm<\/li>\n
                      • Nivel 4: Protegido de objetos de m\u00e1s de 1 mm<\/li>\n
                      • Nivel 5: Protecci\u00f3n parcial contra el polvo y otras part\u00edculas peque\u00f1as.<\/li>\n
                      • Nivel 6: la tableta est\u00e1 totalmente protegida contra el polvo y otras part\u00edculas peque\u00f1as que pueden provocar un mal funcionamiento de las piezas internas.<\/li>\n<\/ul>\n

                        Segundo D\u00edgito: Protecci\u00f3n contra l\u00edquidos<\/h2>\n
                          \n
                        • Nivel 0<\/strong>: No protegido contra la entrada de l\u00edquidos o humedad.<\/li>\n
                        • Nivel 1<\/strong>: Protegido de gotas de agua que caen verticalmente y condensaci\u00f3n.<\/span><\/li>\n
                        • Nivel 2<\/strong>: Protegido contra el goteo de agua verticalmente cuando la carcasa se inclina hasta 15\u00b0 de la vertical.<\/li>\n
                        • Nivel 3<\/strong>: Protegido contra el roc\u00edo directo de humedad en \u00e1ngulos de hasta 60\u00b0 de la vertical.<\/span><\/li>\n
                        • Nivel 4<\/strong>: Protegido contra salpicaduras de agua desde cualquier direcci\u00f3n.<\/li>\n
                        • Nivel 5<\/strong>: Protegido contra chorros de agua a baja presi\u00f3n desde cualquier \u00e1ngulo. Puede ocurrir una entrada m\u00ednima sin efectos nocivos.<\/li>\n
                        • Nivel 6<\/strong>: Protecci\u00f3n contra chorros de agua potentes y de alta presi\u00f3n desde cualquier direcci\u00f3n.<\/li>\n
                        • Nivel 7<\/strong>: Protegido contra la penetraci\u00f3n durante per\u00edodos breves de inmersi\u00f3n en agua.<\/li>\n
                        • Nivel 8:<\/strong> Protegido contra el ingreso durante largos per\u00edodos de inmersi\u00f3n en agua.<\/li>\n
                        • Nivel 9K<\/strong>: Protecci\u00f3n contra rociadores de chorro a alta presi\u00f3n y alta temperatura, lavados o procedimientos de limpieza con vapor<\/li>\n<\/ul>\n

                          B\u00e1sicamente, cuanto mayor sea el valor de cada d\u00edgito, mayor ser\u00e1 el nivel de protecci\u00f3n. Para que una tableta se considere completamente robusta, debe tener una clasificaci\u00f3n m\u00ednima de IP54. En la mayor\u00eda de los casos, los entornos industriales tienden a ser m\u00e1s hostiles. Por lo tanto, se recomienda tener una tableta robusta con una clasificaci\u00f3n de IP65 o superior en tales entornos.<\/p>\n

                          MIL-STD 810<\/h2>\n

                          Estos son est\u00e1ndares desarrollados y publicados por el Departamento de Defensa de los Estados Unidos. Los est\u00e1ndares incluyen una serie de 29 pruebas, con par\u00e1metros estrictos que se utilizan para determinar la capacidad del dispositivo para soportar ca\u00eddas, temperaturas extremas, lluvia, humedad, arena, polvo, altitud y otras condiciones extenuantes. Los dispositivos que pasan las pruebas MIL-STD 810 se consideran totalmente resistentes y pueden funcionar de manera \u00f3ptima en condiciones dif\u00edciles.<\/p>\n

                          Ejemplos de pruebas realizadas en las tabletas rugerizadas<\/p>\n

                          Para determinar el nivel de robustez de una tableta, se llevan a cabo varios procedimientos de prueba. Algunas de estas pruebas se analizan a continuaci\u00f3n.<\/p>\n

                          Prueba de resistencia a l\u00edquidos<\/h2>\n

                          Durante las pruebas de resistencia a los l\u00edquidos, la tableta se expone a diferentes cantidades de l\u00edquidos desde diferentes \u00e1ngulos y direcciones. La presi\u00f3n del l\u00edquido y la duraci\u00f3n de la prueba var\u00edan para determinar con precisi\u00f3n qu\u00e9 tan bien el dispositivo puede resistir la intrusi\u00f3n de l\u00edquido.<\/p>\n

                          Pruebas de arena y polvo<\/h2>\n

                          Se lleva a cabo una prueba de resistencia a la arena para evaluar qu\u00e9 tan bien puede funcionar la tableta en condiciones de arena soplada. La prueba de resistencia al polvo se realiza para evaluar la capacidad del dispositivo para resistir los efectos del polvo, como la obstrucci\u00f3n de aberturas, la penetraci\u00f3n a trav\u00e9s de las aberturas y la formaci\u00f3n de dep\u00f3sitos en las partes internas. En esta prueba, la arena y la harina se pueden proyectar hacia el dispositivo a diferentes velocidades del viento.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>[:fr]\n\t\t

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                          Les tablettes robustes sont con\u00e7ues pour r\u00e9sister \u00e0 des conditions dangereuses. Pour qu’une tablette soit consid\u00e9r\u00e9e comme “enti\u00e8rement robuste”, chacun de ses composants, tant internes qu’externes, doit \u00eatre con\u00e7u et construit pour fonctionner efficacement dans des conditions extr\u00eames. Cela signifie donc qu’une tablette robuste est bien plus qu’une tablette grand public normale s\u00e9curis\u00e9e par un bo\u00eetier ext\u00e9rieur r\u00e9sistant. Pour d\u00e9terminer si une tablette est vraiment robuste, la tablette doit subir des tests rigoureux dans diff\u00e9rentes conditions, notamment les vibrations, la temp\u00e9rature, les chutes, les chocs, l’humidit\u00e9 et les liquides.<\/p>\n

                          L’industrie robuste a adopt\u00e9 diverses normes qui fournissent des conseils ind\u00e9pendants et objectifs pour d\u00e9terminer la robustesse d’un appareil. Certaines de ces normes incluent le syst\u00e8me d’\u00e9valuation Ingress Protection (IP) et les consid\u00e9rations d’ing\u00e9nierie environnementale et les tests de laboratoire du d\u00e9partement am\u00e9ricain de la D\u00e9fense, commun\u00e9ment appel\u00e9s MIL-STD 810.<\/p>\n

                          Discutons de ce que chacune de ces normes implique et de certains tests courants appliqu\u00e9s sur les tablettes robustes pour d\u00e9terminer leur robustesse.<\/p>\n

                          Syst\u00e8me d’indice de protection (IP)<\/strong><\/p>\n

                          Les indices d’indice de protection (IP) sont publi\u00e9s par la Commission \u00e9lectrotechnique internationale (CEI). Les indices IP mesurent le degr\u00e9 de protection fourni par les bo\u00eetiers m\u00e9caniques ou les bo\u00eetiers contre les intrusions, la poussi\u00e8re et l’eau. Dans un appareil robuste, l’indice de protection IP indiquera dans quelle mesure le bo\u00eetier robuste emp\u00eache les solides et les liquides d’atteindre les parties internes de l’appareil.<\/p>\n

                          L’indice IP est affich\u00e9 sous la forme d’un nombre \u00e0 deux chiffres, le premier chiffre indiquant le niveau de protection contre la poussi\u00e8re et le second chiffre indiquant le niveau de protection contre les liquides. Le premier chiffre est class\u00e9 de 0 \u00e0 6 tandis que le deuxi\u00e8me chiffre est class\u00e9 de 0 \u00e0 9K selon le degr\u00e9 de protection. Chacun de ces niveaux est expliqu\u00e9 ci-dessous\u00a0:<\/p>\n

                          Premier chiffre: protection contre les objets solides<\/strong><\/p>\n

                          Niveau 0<\/strong> : Ce niveau indique qu’il n’y a aucune protection contre les objets solides ou les particules.<\/p>\n

                          Niveau 1<\/strong> : Prot\u00e9g\u00e9 contre les objets de plus de 50 mm.<\/p>\n

                          Niveau 2<\/strong> : Prot\u00e9g\u00e9 contre les objets de plus de 12,5 mm<\/p>\n

                          Niveau 3<\/strong> : Prot\u00e9g\u00e9 contre les objets de plus de 2,5 mm<\/p>\n

                          Niveau 4<\/strong> : Prot\u00e9g\u00e9 des objets de plus de 1 mm<\/p>\n

                          Niveau 5<\/strong> : Protection partielle contre la poussi\u00e8re et autres petites particules.<\/p>\n

                          Niveau 6<\/strong> : La tablette est enti\u00e8rement prot\u00e9g\u00e9e contre la poussi\u00e8re et autres petites particules susceptibles de provoquer un dysfonctionnement des composants internes.<\/p>\n

                          Deuxi\u00e8me chiffre : Protection contre les liquides<\/p>\n

                          Niveau 0<\/strong> : Non prot\u00e9g\u00e9 de toute p\u00e9n\u00e9tration de liquide ou d’humidit\u00e9.<\/p>\n

                          Niveau 1<\/strong> : Prot\u00e9g\u00e9 des chutes verticales de gouttes d’eau et de la condensation.<\/p>\n

                          Niveau 2<\/strong> : Prot\u00e9g\u00e9 contre les gouttes d’eau verticales lorsque le bo\u00eetier est inclin\u00e9 jusqu’\u00e0 15\u00b0 par rapport \u00e0 la verticale.<\/p>\n

                          Niveau 3<\/strong> : Prot\u00e9g\u00e9 contre les projections d’humidit\u00e9 directe \u00e0 des angles allant jusqu’\u00e0 60\u00b0 par rapport \u00e0 la verticale.<\/p>\n

                          Niveau 4<\/strong> : Prot\u00e9g\u00e9 contre les projections d’eau de toutes directions.<\/p>\n

                          Niveau 5<\/strong> : Prot\u00e9g\u00e9 contre les jets d’eau \u00e0 basse pression sous tous les angles. Une ingestion minimale peut se produire sans effets nocifs.<\/p>\n

                          Niveau 6<\/strong> : Protection contre les jets d’eau puissants et \u00e0 haute pression de toutes directions.<\/p>\n

                          Niveau 7<\/strong> : Prot\u00e9g\u00e9 contre l’infiltration pendant de courtes p\u00e9riodes d’immersion dans l’eau.<\/p>\n

                          Niveau 8<\/strong> : Prot\u00e9g\u00e9 contre l’infiltration pendant de longues p\u00e9riodes d’immersion dans l’eau.<\/p>\n

                          Niveau 9K<\/strong> : Protection contre les pulv\u00e9risations \u00e0 haute pression et \u00e0 haute temp\u00e9rature, les lavages ou les proc\u00e9dures de nettoyage \u00e0 la vapeur<\/p>\n

                          Fondamentalement, plus la valeur de chaque chiffre est \u00e9lev\u00e9e, plus le niveau de protection est \u00e9lev\u00e9. Pour qu’une tablette soit consid\u00e9r\u00e9e comme enti\u00e8rement robuste, elle doit avoir un indice minimum de IP54. Dans la plupart des cas, les environnements industriels ont tendance \u00e0 \u00eatre plus hostiles. Par cons\u00e9quent, il est recommand\u00e9 d’avoir une tablette durcie avec un indice de protection IP65 ou sup\u00e9rieur dans de tels environnements.<\/p>\n

                          MIL-STD 810<\/strong><\/p>\n

                          Il s’agit de normes \u00e9labor\u00e9es et publi\u00e9es par le d\u00e9partement am\u00e9ricain de la D\u00e9fense. Les normes comprennent une s\u00e9rie de 29 tests, avec des param\u00e8tres stricts qui sont utilis\u00e9s pour d\u00e9terminer la capacit\u00e9 de l’appareil \u00e0 r\u00e9sister aux chutes, aux temp\u00e9ratures extr\u00eames, \u00e0 la pluie, \u00e0 l’humidit\u00e9, au sable, \u00e0 la poussi\u00e8re, \u00e0 l’altitude et \u00e0 d’autres conditions difficiles. Les appareils qui r\u00e9ussissent les tests MIL-STD 810 sont consid\u00e9r\u00e9s comme enti\u00e8rement robustes et peuvent fonctionner de mani\u00e8re optimale dans des conditions difficiles.<\/p>\n

                          Exemples de tests r\u00e9alis\u00e9s sur les tablettes durcies<\/strong><\/p>\n

                          Pour d\u00e9terminer le niveau de robustesse d’une tablette, plusieurs proc\u00e9dures de test sont men\u00e9es. Certains de ces tests sont d\u00e9crits ci-dessous.<\/p>\n

                          Test de r\u00e9sistance aux liquides<\/strong><\/p>\n

                          Lors des tests de r\u00e9sistance aux liquides, la tablette est expos\u00e9e \u00e0 diff\u00e9rentes quantit\u00e9s de liquides sous diff\u00e9rents angles et directions. La pression du liquide et la dur\u00e9e du test sont modifi\u00e9es pour d\u00e9terminer avec pr\u00e9cision dans quelle mesure l’appareil peut r\u00e9sister \u00e0 l’intrusion de liquide.<\/p>\n

                          Essais de sable et de poussi\u00e8re<\/strong><\/p>\n

                          Un test de r\u00e9sistance au sable est effectu\u00e9 pour \u00e9valuer dans quelle mesure la tablette peut fonctionner dans des conditions de sable souffl\u00e9. Un test de r\u00e9sistance \u00e0 la poussi\u00e8re est effectu\u00e9 pour \u00e9valuer la capacit\u00e9 de l’appareil \u00e0 r\u00e9sister aux effets de la poussi\u00e8re tels que le colmatage des ouvertures, la p\u00e9n\u00e9tration \u00e0 travers les ouvertures et la formation de d\u00e9p\u00f4ts dans les pi\u00e8ces internes. Dans ce test, du sable et de la farine peuvent \u00eatre projet\u00e9s vers l’appareil \u00e0 diff\u00e9rentes vitesses de vent a e temp\u00e9rature et en notant les performances de l’appareil.<\/p>\n

                          Tests de temp\u00e9ratures extr\u00eames<\/strong><\/p>\n

                          Le test est utilis\u00e9 pour d\u00e9terminer les effets des temp\u00e9ratures extr\u00eames sur les performances de l’appareil dans ses diff\u00e9rents \u00e9tats, comme lorsqu’il est utilis\u00e9, lorsqu’il est \u00e9teint et lorsqu’il est allum\u00e9. Dans ce test, l’appareil est expos\u00e9 \u00e0 des environnements extr\u00eamement chauds et froids. De plus, l’appareil est soumis \u00e0 des changements de temp\u00e9rature soudains pour \u00e9valuer comment l’appareil passe d’une temp\u00e9rature \u00e0 l’autre.<\/p>\n

                          Test d’humidit\u00e9<\/strong><\/p>\n

                          Le test est utilis\u00e9 pour \u00e9valuer dans quelle mesure l’appareil peut r\u00e9sister \u00e0 un environnement chaud et humide, \u00e0 la condensation et \u00e0 l’humidit\u00e9. Lors de ce test, les appareils sont expos\u00e9s \u00e0 des conditions climatiques tropicales avec une forte humidit\u00e9 pendant plusieurs jours. La plupart des caract\u00e9ristiques qui rendent l’appareil r\u00e9sistant \u00e0 l’eau permettent \u00e9galement \u00e0 l’appareil de r\u00e9sister aux effets nocifs de l’humidit\u00e9.<\/p>\n

                          Essais de vibrations<\/strong><\/p>\n

                          Les vibrations sont courantes dans certaines installations industrielles. Pour d\u00e9terminer comment la tablette fonctionnera dans de telles conditions, des agitateurs de laboratoire sont utilis\u00e9s pour imiter le type de vibrations susceptibles de se produire lorsque la tablette est utilis\u00e9e dans un v\u00e9hicule. Les agitateurs de laboratoire sont ajust\u00e9s pendant les tests pour inclure des fr\u00e9quences de vibration \u00e9lev\u00e9es et basses afin de simuler diff\u00e9rentes conditions environnementales.<\/p>\n

                          Essais de chute et de choc<\/strong><\/p>\n

                          Ce test permet d’\u00e9valuer la r\u00e9sistance de la structure et du mat\u00e9riau de l’appareil. L’un des tests les plus courants est le test de chute de transit. Dans ce test, l’appareil doit r\u00e9sister \u00e0 26 chutes d’une hauteur de 122 cm. L’appareil est l\u00e2ch\u00e9 sous diff\u00e9rents angles sur une surface dure telle que du b\u00e9ton.<\/p>\n

                          Pour d\u00e9terminer si une tablette r\u00e9pond au niveau de robustesse souhait\u00e9, elle doit subir divers tests dans diff\u00e9rentes conditions. Si vous recherchez une tablette robuste pour votre usage industriel, il est important de vous assurer que la tablette respecte les normes de l’industrie en vigueur.<\/p>\n\t<\/div>\n<\/div>\n\n\n\n\n\t\t\t<\/div> \n\t\t<\/div>\n\t<\/div> \n<\/div><\/div>[:]\n","protected":false},"excerpt":{"rendered":"

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