Product description Mobile Computer MC 92N0exType 17-A1A.-………… and Type B7-A2A.-…………Subject to technical changes.04/20132.3 OperationThe Mobile Computer MC92N0ex is a handheld electrical device. It serves the purposes ofthe mobile entry, processing and radio transmission of data within potentially explosiveatmospheres.It is used exclusively in combination with devices which comply with the requirementsplaced on the overvoltage category I.The Mobile Computer MC92N0ex –IS, Type 17-A1A.-…./…….. have been modified foruse in the following potentially explosive atmospheres ATEX/IECEx Zone 1 UL Class I Division 1 Groups C and D UL Class II Division 1 Groups F and G UL Class III ATEX/IECEx Zone 2 UL Class I Division 2 Groups A, B, C and D UL Class II Division 2 Groups F and GThe Mobile Computer MC92N0ex –IS, Type 17-A1A.-…./…….. may not be used in thefollowing zones: ATEX/IECEx Zone 0 ATEX/IECEx Zone 21 / 22 UL Class I Division 1 Groups A and B UL Class II Division 1 Groups E UL Class II Division 2 Groups EThe Mobile Computer MC92N0ex –NI, Type B7-A2A.-…./…….. have been modified foruse in the following potentially explosive atmospheres ATEX Zone 2 ATEX Zone 22 UL Class I Division 2 Groups A, B, C and D UL Class II Division 2 Groups F and G UL Class IIIThe Mobile Computer MC92N0ex –NI, Type B7-A2A.-…./…….. may not be used in thefollowing zones: ATEX/IECEx Zone 0 and 1 ATEX/IECEx Zone 21 UL Class I Division 1 Groups A, B, C and D UL Class II Division 1 Groups E, F and G UL Class II Division 2 Groups E