日本理研气体侦测器SD-1OX Smart Transmitter / Gas Detector SD-1 series SD-1OX, SD-1DOX Features ・ATEX / IECEx certificate ・Flameproof enclosure for Acetylene and Hydrogen ・Self diagnosis by microprocessor   Model list   SD-1OX (Diffusion type)   SD-1DOX (Suction type)