<2. Handling Cautions>
17
IM01C25A01-01E
• TypeofProtectionandMarkingcode:
ExiaIICT4Ga
ExiaIIICT85ºCT100ºCT120ºCDb
• Group:II
• Category:1G,2D
• AmbientTemperatureforEPLGa:
–50to60°C
• AmbientTemperatureforEPLDb:
–30*to60°C
*–15°Cwhen/HEisspecied.
• ProcessTemperature(Tp.):120°Cmax.
• MaximumSurfaceTemperatureforEPLDb:
T85°C(Tp.:80°C)
T100°C(Tp.:100°C)
T120°C(Tp.:120°C)
• Enclosure:IP66/IP67
TosatisfyIP66orIP67,applywaterproofglandsto
theelectricalconnectionport.
Note2 ElectricalData
• IntypeofexplosionprotectionintrinsicsafetyExia
IICorExiaIIIC,onlyforconnectiontoacertied
intrinsicallysafecircuitwithfollowingmaximum
values:
Ui=30V
Ii=200mA
Pi=0.9W
(LinearSource)
Maximuminternalcapacitance;Ci=27.6nF
Maximuminternalinductance;Li=0µH
Whenthelightningprotectoroptionisspecied,
theapparatusisnotcapableofwithstandingthe
500VinsulationtestrequiredbyEN60079-11.This
mustbetakenintoaccountwheninstallingthe
apparatus.
Note3. Installation
• Refertothecontroldrawing.Allwiringshallcomply
withlocalinstallationrequirements.
Pressure Transmitters
Supply
Safety Barrier
*1
Nonhazardous Location
[Control Drawing]
Hazardous Location
+
–
+
–
F0210.ai
*1:Anysafetybarriersmustbealinearpowersource
whoseoutputcurrentisresistivelylimited.
Note4. MaintenanceandRepair
• Theinstrumentmodicationorpartsreplacement
byotherthanauthorizedrepresentativeof
YokogawaElectricCorporationisprohibitedand
willvoidDEKRAIntrinsicallysafeCertication.
Note5. SpecialConditionsforSafeUse
WARNING
• WhentheenclosureofthePressureTransmitter
ismadeofaluminum,ifitismountedinanarea
wheretheuseofcategory1Gequipmentis
required,itmustbeinstalledsuch,that,evenin
theeventofrareincidents,ignitionsourcesdueto
impactandfrictionsparksareexcluded.
• Electrostaticchargesonthecoatedpartsof
PressureTransmittershallbeavoided.
• Electrostaticchargemaycauseanexlosion
hazard.Avoidanyactionsthatcausethe
generationofelectrostaticcharge,suchasrubbing
withadryclothoncoatingfaceoftheproduct.
• IncaseoftheenclosureofthePressure
Transmitterwithpaintlayers,ifitismountedinan
areawheretheuseofcategory2Dequipmentis
required,itshallbeinstalledinsuchawaythatthe
riskfromelectrostaticdischargesandpropagating
brushdischargescausedbyrapidowofdustis
avoided.
b. ATEX Intrinsically Safe for Fieldbus Type
(Except for EJX90A)
CautionforATEXIntrinsicallysafetype.
Note1. EJX/EJA-Eseriespressuretransmitterswith
optionalcode/KS26areapplicableforusein
hazardouslocations.
• No.KEMA04ATEX1116X
• ApplicableStandard:
EN60079-0:2012+A11:2013
EN60079-11:2012
Note2. Ratings
TypeofProtectionandMarkingCode:
ExiaIIC/IIBT4Ga
ExiaIIICT85°CT100°CT120°CDb
Group:II
Category:1G,2D
AmbientTemperatureforEPLGa:–40to60°C
AmbientTemperatureforEPLDb:–30*to60°C
*–15°Cwhen/HEisspecied.
MaximumProcessTemperature(Tp.):120°C
MaximumSurfaceTemperatureforEPLDb.
T85°C(Tp.:80°C)
T100°C(Tp.:100°C)
T120°C(Tp.:120°C)
AmbientHumidity:
0to100%(Nocondensation)
DegreeofProtectionoftheEnclosure:
IP66/IP67