Category: Portable gas detector
Approvals: IECEx, ATEX, TIIS, CE
Target gas: Toxic
Sampling: Sample draw
Category: Fixed gas detector
Approvals: GD-K88Ai with zener barrier: ExiaIICT4, TC20741(TIIS in japan)
Sampling: Diffusion
Approvals: RoHs, CE
Target gas: Combustible, Toxic, Oxygen
Approvals: CSA, C/US