MeshGuard LEL IR & CO2 IR User’s Guide 
 
7 
 
Intrinsically Safe Marking 
 
FTD-3000 LEL Certification 
 INMETRO: BR Ex ia IIC T4 
 CEPEL 10.1925X 
 
    Cl. I, Div. 1, Gr A, B, C, D T4 
     Ta = -40° C to +50° C 
       IECEx SIR 19.0014X 
     Sira 19ATEX2035X 
     Ex ia IIC T4 Ga 
       Ex ia I Ma 
 
 
 
    Ui = 3.6V, Ci=86µF, Li/Ri=3.5µH/ohm 
 
Warning: 
For LEL, cCSAus certification only applies for fixed installations. 
 
 
FTD-3000 CO
2
 certification 
 INMETRO: BR Ex ia IIC T4 
 CEPEL 10.1925X 
 
     Cl. I, Div. 1, Gr A, B, C, D T4 
     -20° C ≤ Ta ≤ +50° C 
       IECEx SIR 19.0014X 
     Sira 19ATEX2035X 
     Ex d ia IIC T4 Gb 
       Ex d ia I Ma 
 
 
 
    Ui = 3.6V, Ci=86µF, Li/Ri=3.5µH/ohm 
 
 
 
WARNING! 
Substitution of components may impair suitability for intrinsic safety. Replace batteries only in non-hazardous 
locations. 
 
WARNING! 
To prevent ignition of flammable or combustible atmospheres, disconnect power before servicing. 
 
Proper Product Disposal At End Of Life 
EU Directive 2012/19/EU: Waste Electrical and Electronic Equipment (WEEE) 
This symbol indicates that the product must not be disposed of as general industrial or domestic 
waste. This product should be disposed of through suitable WEEE disposal facilities. For more 
information about disposal of this product, contact your local authority, distributor, or the 
manufacturer.