Oxygen detection alarm yog ib lub tswb ntawm tus kheej portable gas detection. Nws lub sensor txais electrochemical sensor, uas muaj cov lus teb rhiab thiab tsim nyog rau kev tshawb nrhiav qhov feem pua ntawm cov pa oxygen nyob rau hauv ambient huab cua ntawm kev lag luam thiab mining lag luam. Lub suab, lub teeb, thiab kev vibration tswb nyob rau sab sauv thiab sab qis, ceeb toom rau ntawm - cov neeg ua haujlwm hauv chaw khiav tawm thaj chaw txaus ntshai sai li sai tau.
