Wika T12 Bedienungsanleitung PDF herunterladen (Seite 28)

3211517.0707/2010GB/D

28 WIKAoperatinginstructionstemperaturetransmitterT12

8.1 Model overview and their European approvals

Model Ex protection and

Approval No.

Ignition

protection type

head

mounting

version

rail

mounting

version

T12.1x.xx2 T12.30.xx2

II1GEExiaIIB/IICT4/T5/T6

DMT98ATEXE008X

intrinsicallysafe

equipment

T12.10.xx9 T12.30.xx9

II3GExnLIICT4/T5/T6

energy-limited

equipment

II3GExnAIICT4/T5/T6

non-sparking

equipment

II3GExicIICT4/T5/T6

intrinsicallysafe

equipment

8.2 Special conditions for safe use

T12.30.xxx:

Thesurfaceofthecaseisnotconductive.Thetemperaturetransmitter

mustbemountedinawaythatelectrostaticchargeswillnotoccur.

T12.xx.xx2:

Temperaturetransmittersinahazardousareaaresuppliedonly

withassociatedintrinsicallysafeapparatusthatareapprovedfor

thishazardousarea.Thesetransmittersmustbemountedinacase

thatmustatleastcorrespondtofollowingingressprotectionIP20

accordingtoEN60529/IEC60529.

T12.10.xx2 for category II 1G/IIC in addition:

Thesurfaceofthecaseisnotconductive.Thetemperaturetransmitter

mustbemountedinawaythatelectrostaticchargeswillnotoccur.

T12.xx.xx9 (Use as energy-limited equipment II 3G EEx nL):

Thesupplycurrentcircuitmustfulltherequirementsforignition

protectiontypeII3GEExnLenergy-limitedperEN50021.These

temperaturetransmittersmustbemountedinacasethatmustat

leastcorrespondtofollowingingressprotectionIP54accordingto

EN60529/IEC529.

8. Notes for mounting and operating in ...

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