Dab tsi yog qhov kev daws teeb meem yuam kev ntawm lub tshuab ntsuas roj?
Gas detector yog ib qho cuab yeej siv los txheeb xyuas qhov concentration ntawm cov pa phem thiab cov pa phem uas muaj nyob hauv huab cua puag ncig. Nws tuaj yeem tshawb xyuas cov pa roj carbon monoxide, cov pa roj carbon monoxide, thiab lwm yam hauv huab cua los ntawm cov sensors, detectors thiab lwm yam khoom, thiab tuaj yeem xa tawm lub tswb. Yog li dab tsi yog qhov kev daws teeb meem yuam kev ntawm lub ntsuas roj?
Feem ntau hais lus, cov khoom siv roj av yuav muaj kev daws teeb meem yuam kev. Tsis muaj teeb meem ib yam khoom, tsis muaj txoj hauv kev kom ua tiav 100% raug. Yog li ntawd, thaum siv lub ntsuas roj, yog tias qhov ntsuas qhov ntsuas feem ntau yog 0-100ppm, ces nws qhov kev daws teeb meem feem ntau yog 0.1ppm.
Txawm li cas los xij, qhov 0.1ppm ntawm lub ntsuas roj tsis tau txhais hais tias yog tias tus nqi tiag tiag yog 89.88ppm, nws yuav pom 89.9ppm.
Qhov kev daws teeb meem ntawm lub cev ntes yog {{0}}.1ppm. Yog tias qhov tseeb ntawm cov khoom lag luam ib txwm yog 3%, thiab tus nqi yuam kev yog 3ppm, ces nws cov nqi tso saib yuav tsum yog 86.9, 87.0, 87.1...92.7, 92.8, 92.9.
Raws li txoj cai, qhov kev daws teeb meem ntawm 0.01ppm tsuas yog txhais tau tias cov txiaj ntsig tau tshwm sim yog 86.88, 87.88...92.78, 92.88.
Qhov yuam kev tus nqi ntawm lub ntsuas roj yog qhov tseeb, thiab qhov kev daws teeb meem yog lub ntsiab lus ntawm cov nqi tso tawm.
(1) Qhov kev daws teeb meem yog 1% thiab qhov tseeb yog 3%. Yog tias qhov ntsuas qhov ntsuas yog 0-100ppm thiab tus nqi tiag tiag yog 89.88ppm, qhov ntsuas qhov ntsuas yuav yog 88ppm, 89ppm, 90ppm, 91ppm, 92ppm, thiab 93ppm.
(2) Yog tias qhov kev daws teeb meem yog 1% thiab qhov tseeb yog 1%, ces qhov ntsuas qhov ntau yog 0-100ppm, thiab thaum tus nqi tiag tiag yog 89.88ppm, tus nqi tso tawm yog 89ppm, 90ppm, lossis 91ppm.
(3) Yog tias qhov kev daws teeb meem yog 0.1%, qhov tseeb yog 1%. Yog tias tib yam li saum toj no, cov txiaj ntsig tau tshwm sim yog 88.9, 89.0, 89.1...90.7, 90.8, 90.9.
Cov kev daws teeb meem saum toj no ntawm cov cuab yeej siv roj tau muab faib rau ntawm no. Gas detectors yog dav siv nyob rau hauv petrochemical, tshuaj, metallurgical, mining, kev kho mob, aviation thiab lwm yam kev lag luam los xyuas kom meej kev ruaj ntseg ntawm chaw ua hauj lwm thiab tiv thaiv kev huam yuaj.
