APPENDIX B - CERTIFICATION
ThisappendixdenesthecerticationsfortheApexgassensingsystemcomponents.Itincludesthe
CSA and UL Control Drawings, see B.4.
B.1  TRANSMITTER UNIT
TheTransmitterUnitisdesignedandapprovedforuseinhazardousareas.
TherearethreecertiedversionsoftheTransmitterUnit:
  •  ATEX    Part No: 2110B2200
  •  UL    Part No: 2110B2203
  •  CSA    Part No: 2110B2204
AcerticationlabelislocatedontopoftheAPEXTransmitterUnit.Thelabelcontainsalltherelevant
informationregardingtheproduct’sidenticationandcerticationstate.
ATEX
UL
CLASS I, DIV 1, GROUPS B, C, D
OP.TEMPCODE   T4(Tamb.-40to+80
o
C) 
     T5(Tamb.-40to+55
o
C)
CSA
CLASS I, DIV 1, GROUPS B, C, D
OP.TEMPCODE   T4(Tamb.-40to+75
o
C) 
     T5(Tamb.-40to+55
o
C)
Note: TransmitterUnitcertiedtoCSA 22.2 No. 152 onlywhencertiedsensoristtedwithspecic
cartridges.SeeB.5ControlDrawings,CSA(page126)
Identicationnumberof 
ATEXnotiedbody
ATEXHazardousArea 
ApprovalCerticateNo.
ATEXMeasuring 
Function Approval  
CerticateNo.
CerticateCode
Serial Number/ 
Year of Manufacture
Warnings
ModicationStatus
Manufacturer’s  
Trademark & Address
Product Name
Explosion Protection 
Mark and Equipment
CertiedAmbient 
Temperature