Custom Keyboards and Input Devices - INDUKEY - #13

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60 IP protection classes Technical Information www.indukey.com InduKey® Keyboard Production GmbH & Co. KG The protection class with the two-digit IP codes (1st digit, 2nd digit) indicates the suitability of systems for different environmental conditions. According to DIN the abbreviation IP stands for International Protection. „Underwaterproof“ is an in-company test standard by InduKey. This standard exceeds the protection level IP68, which until now has been the highest standard for keyboards. Protection level IP68 means that the products are tested for water tightness by temporarily immersing them into water. The devices which are labelled “underwaterproof”, however, have been tested under water for at least 24 hours. In the process, the water column amounts to at least one meter. Another difference arises during the active testing of the device. In contrast to IP68, where the devices are only passively immersed into water, the testing according to the “underwaterproof” standard involves an active operation of the keys in particular time intervals. In addition, upon completion of this test, a final and comprehensive testing of the keyboards is conducted. Products which comply with the „underwaterproof“ standard guarantee the user a high resistivity in wet to humid environments and demonstrate durable, robust quality and functionality. Test parameters Position of the keyboard: Common operating position Water level: At least 100 cm above the highest point of the keyboard Water quality: Tap water Water temp.: Room temperature = 295 K +/- 5 K Test duration: At least 24 hours Operating condition: No operation of the keyboard Actuation: During the test: 6-fold actuation of at least 10 keys in intervals of 1 hour in each case Connection cable: Non-insulated sockets of the connection cable which are facing away from the keyboard are not immersed into water Functionality test: Upon completion of the test, the keyboard has to be fully functional Visual inspection: Upon completion of the test, no changes on the keyboard may be detectable 1st digit Protection against contact Protection against foreign objects 0 - no protection - no protection 1 - with large-area body parts (back of the hand) - large foreign objects, ø bigger than 50 mm 2 - with the fingers - mid-size foreign objects, ø bigger than 12 mm 3 - with tools and wires, ø bigger than 2.5 mm - small foreign objects, ø bigger than 2.5 mm 4 - with tools and wires, ø bigger than 1.0 mm - granular foreign objects, ø bigger than 1 mm 5 - complete protection - dust deposit 6 - complete protection - dust entry 2nd digit Protection against water 0 - no protection 1 - vertically falling dripping water 2 - diagonally falling dripping water 3 - diagonally falling dripping water up to 15° relative to vertical line 4 - spray water up to 60° relative to vertical line 5 - splash water from all sides 6 - jet water 7 - strong jet water 8 - temporary immersion IP 68 UW -1