Cov teeb meem dab tsi tshwm sim thaum kuaj pom cov pa roj?
Gas Detector yog ib qho cuab yeej cuab tam rau kev kuaj pom cov pa tawm, feem ntau yog xa mus rau cov khoom siv hluav taws xob thiab cov khoom siv tes tuav. Gas sensors feem ntau yog siv los xyuas cov hom roj av uas muaj nyob hauv ib puag ncig. Gas sensors yog cov sensors siv los ntsuas qhov muaj pes tsawg leeg thiab cov ntsiab lus ntawm gases.
1. Dab tsi gases muaj nyob rau hauv tus qauv 4-hauv-1?
Qee tus neeg tsis paub meej txog tus qauv plaub-hauv-ib qho roj thiab qee qhov kev kuaj pom ntawm cov pa uas nquag hais. Cias muab, tus qauv plaub-hauv-ib roj: flammable (methane) 0-100 feem pua LEL, carbon monoxide 0-1000PPM, oxygen 0-30 feem pua VOL, hydrogen sulfide 0-100PPM .
2. Qhov sib txawv ntawm ntuj diffusion hom thiab twj tso kua mis hom
Gas detectors paub tias muaj ob txoj kev tshawb nrhiav pom, ib qho yog hom diffusion ntuj thiab lwm yam yog hom twj tso kua mis, tab sis kuv tsis paub qhov txawv ntawm ob yog dab tsi. Lub ntuj diffusion hom yog ib qho qeeb induction yam tsis muaj kev quab yuam sab nraud Thaum nws los txog rau roj, lub twj tso kua mis hom siv lub twj tso kua mis self-priming kom nqus tau nws tus kheej. Piv txwv li, tib neeg lub qhov ntswg teb sai dua, yog li thaum xaiv, koj yuav tsum saib txoj kev tshawb nrhiav kom pom cov pa zoo.
3. Kev ntsuas rov qab ntawm nitrogen nrog oxygen yog dab tsi?
Oxygen thiab nitrogen yog cov pa roj ntau. Cov khoom tseem ceeb hauv huab cua yog 30% oxygen thiab 70 feem pua nitrogen. Vim tias tus nqi ntawm nitrogen-specific sensors kuj yog siab, qee cov neeg yuav xaiv siv cov pa oxygen sensors los ntsuas nitrogen rov qab, uas yog qhov ua tau. 100 rho tawm cov ntsiab lus ntawm cov pa oxygen yog cov ntsiab lus oxygen.
4. Puas yog lub tshuab ntes roj foob tawg?
Lub tshuab ntsuas roj nyob ntawm seb nws puas tau mus txog qib tawg-pov thawj. Cov qhab-nees tawg-pov thawj dav dav ntawm lub tshuab ntes yog BT3, BT4, thiab CT3, yog li peb tsuas yog yuav tsum tau kuaj xyuas cov qib tawg-pov thawj no thaum yuav khoom kuaj.
Lub tshuab ntsuas roj tuaj yeem kuaj xyuas hydrogen sulfide, carbon monoxide, oxygen, sulfur dioxide, phosphine, ammonia, nitrogen dioxide, hydrogen cyanide, chlorine, chlorine dioxide, ozone thiab combustible gases thiab lwm yam gases, dav siv hauv petrochemical, thee, metallurgy, chemical kev lag luam. , municipal gas, ib puag ncig saib xyuas thiab lwm qhov chaw rau kev tshuaj xyuas ntawm qhov chaw. Nws tuaj yeem ua tau raws li qhov kev xav tau ntawm lub sijhawm tshwj xeeb; nws tuaj yeem kuaj xyuas cov roj concentration lossis xau kom pom hauv qhov av, kav dej, tso tsheb hlau luam, qhov chaw kaw, thiab lwm yam.
