WIKA T32. S Series - Page 37

GB
11258421.0901/2012GB/D
WIKAoperatinginstructionstemperaturetransmitterT32.xS 37
TheversionT32.1x.0lSisdesignedforinstallationinhousingsor
connectionheadsinareaswith1G,2Gor1D,2Drequirements.
TheversionT32.1x.0ISisintendedforinstallationinahousing
whichguaranteesatleastprotectionclassIP20(2Gapplicationor
installationoutsidethehazardousarea)orIP6x(2Dapplication).
10.2 Specic conditions for safe use
T32.3S.xxx:
Thesurfaceofthecaseisnotconductive.Thetemperaturetransmitter
mustbemountedinawaythatelectrostaticchargeswillnotoccur.
T32.xx.0NI (use as energy-limited equipment II 3G Ex nL):
Thesupplycurrentcircuitmustfulltherequirementsforignition
protectiontypeII3GExnLenergy-limitedperEN60079-15.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60529.
T32.xx.0NI (use as non-incentive equipment II 3G Ex nA):
Disconnectionofpowersupplyisforbiddeninsidethehazardous
area.Whenconnectingordisconnectingtheterminalsensurethe
powersupplyisdisconnectedoutsidethehazardousarea.
Thesetemperaturetransmittersmustbemountedinacasethat
mustatleastcorrespondtofollowingingressprotectionIP54in
accordancewithEN60529/IEC60529.
Theholesintheconnectionterminals(T32.1S.0NI,T32.1R.0NI)orthe
additionalconnectionslabelled"Modem"(T32.3S.0NI,T32.3R.0NI)
shallnotbeusedinconnectionwithtypeofprotectionnA.
WhenduringuseincircuitswiththesafetyclassnA(non-incendive)
thepermissibleconnectedloadshavebeenexceededforashort
term
1)
,theuseofthesetransmittersincircuitswiththesafetyclass
ExnL(energylimited)isnotpermissibleanymore.
1)WhenthetransmittersareusedincircuitswiththesafetyclassnA,itispermissibletoexceedthe
maximumsupplyvoltagebyupto40%forashortterm.
10. Notes for mounting, operating in ...