SMART SENSOR ST8900 Gas Detector
SE
ElectrochemistryOxygen/Carbon Monoxide/Hydrogen Sulfide/Combustible GasOxygen: 0~30% vol; Carbon monoxide: 0~999ppm; Hydrogen sulfide: 0~500ppm; Combustible gas: 0~100% LEL
Can simultaneously test oxygen, carbon monoxide, hydrogen sulfide, combustible gas four gases, using diffusion sampling, optional pump, with sound and light shock alarm function.