• 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-3SP (Diffusion type)
  •    SD-3DSP (Suction type)
  •    SD-3SC+GD-3SP (Remote type)

Sampling method Suction and Diffusion
Principle of detection Hot Wire Type Semi-Conductor Method
Explosion protected construction Flameproof enclosures, Flameproof enclosures + Intrinsic safety
Explosion-proof class IECEx : Ex db ⅡC T5/T4 Gb
ATEX : Ⅱ2G Ex db ⅡC T5/T4 Gb
Ingress proof rating IP66/67
Approvals Japan Ex, ATEX, IECEx
CE marking EMC / LVD / ATEX / RoHS
Power source 24 VDC (18 to 30 VDC)
Dimensions Approx. 171(W) ×277(H) ×127(D) mm (SD-3SP)
Approx. 171(W)× 289(H) ×127(D) mm (SD-3DSP)(excluding projections)
Weight Approx. 6.7 kg (SD-3SP)
Approx. 7.0 kg (SD-3DSP)
Target gas C2H2, C2H2CL2, C2H4, C3H6, C4F6, C8H18, CH4, CO, D2, H2, i-C4H10, IPA, n-C6H14, R-32, R-41