• Next generation high performance sensor “F Sensor Series” is installed, greatly improving both functions and performance.
  • Complies with different global standards (including planned certifications).
  • Wide range of output options.
  • Rugged housing construction allows use even in harsh environments.
  • Wide range of types to suit a variety of uses and installation environments.

 Model list

  • SD-3EC, SD-3DEC, SD-3ECB (Diffusion type)
  • SD-3DEC, SD-3DECS, SD-3DECB (Suction type)
  • SD-3SC+GD-3EC/ECS/ECB (Remote type)

Sampling method Suction and Diffusion
Principle of detection Potentiostatic Electrolysis Method
Explosion protected construction Flameproof enclosures, Flameproof enclosures + Intrinsic safety
Explosion-proof class IECEx : Ex db ⅡC T4 Gb
ATEX : Ⅱ2G Ex db ⅡC T4 Gb
*for SD-3ECB, please refer to the catalog.
Ingress proof rating IP66/67
Approvals Japan Ex, ATEX, IECEx, SIL
CE marking EMC / LVD / ATEX / RoHS
Power source 24 VDC (18 to 30 VDC)
Dimensions Approx. 171(W) ×277(H) ×127(D) mm (Diffusion type) Approx. 171(W)× 289(H) ×127(D) mm (Suction type)(excluding projections)
Weight Approx. 6.7 kg (Diffusion type) Approx. 7.0 kg (Suction type)
Target gas H2S, NO2