Dab tsi yog qhov kev siv yuam kev thiab kev ceev faj ntawm cov khoom siv roj
Gas detector yog ib qho cuab yeej cuab tam rau kev soj ntsuam cov roj to concentration, uas muaj xws li portable gas detectors, handheld gas detectors, fixed gas detectors, online gas detectors, etc. Nws mas siv roj sensors los xyuas cov hom gases tam sim no nyob rau hauv ib puag ncig. Gas sensors yog cov sensors siv los ntsuas qhov muaj pes tsawg leeg thiab cov ntsiab lus ntawm gases. Nyob rau hauv tus txheej txheem ntawm kev siv, yog vim li cas vim li cas lub gas detector tsis tuaj yeem siv los yog puas yog tias cov khoom zoo tsuas yog ib feem ntawm kev xaiv cov tuam txhab lag luam, feem ntau yog tshwm sim los ntawm kev xaiv thiab siv tsis raug.
Kev nkag siab yuam kev hauv kev siv cov khoom siv roj av:
Kev lees paub qhov yuam kev: Kev kuaj nrog cov pa roj ntau ntau: Tom qab txhim kho cov khoom siv roj hluav taws xob ntawm qhov chaw, cov neeg siv khoom siv lub teeb sib zog los ntsuas seb lub ntsuas puas ua haujlwm zoo. Tom qab qhov ntsuas cua, lub tswb ntsuas lub tswb tab sis tsis tuaj yeem rov pib dua rau xoom. Kev siv ib txwm, thaum kuaj pom kev puas tsuaj, tag nrho cov khoom yuav raug xa rov qab mus rau lub Hoobkas kom them nyiaj hloov.
Kev tsom xam: Ntau tus neeg siv khoom nyiam siv cov pa roj ntau ntau rau kev sim thaum txais. Txoj kev no yog qhov tsis raug thiab tuaj yeem ua rau kev puas tsuaj rau lub cuab yeej. Qhov kev tshawb nrhiav ntau yam ntawm cov khoom siv hluav taws xob hluav taws xob yog 0-100% LEL, nrog rau qhov qis qis qis (methane yog 0-5% vol). Cov pa roj sib zog yog high-purity butane, uas deb tshaj qhov nrhiav tau ntau yam.
Kev xeem yuam kev: Thaum siv cov roj sib zog rau kev sim, lub sensor yuav raug cuam tshuam rau 2 mus rau 3 lossis siab dua, thiab cov khoom siv tshuaj lom neeg ntawm qhov kev hnov mob yuav lwj lossis nres ua ntej, ua rau txo qis kev tshawb pom. Lub platinum hlau tau hlawv thiab lub sensor tau muab pov tseg. Nws yuav tsum raug sau tseg tias cov tuam txhab lag luam tsis tuaj yeem lav qhov tsis ua haujlwm sensor los ntawm cov pa roj ntau ntau thiab yuav tsum tau hloov lawv ntawm lawv tus kheej cov nqi.
Kev tsom xam: Feem ntau cov khoom siv hluav taws xob uas muaj hluav taws xob nyob hauv khw siv lub hauv paus ntsiab lus ntawm catalytic combustion. Lub hauv paus ntsiab lus ntawm catalytic combustion yog siv lub zog catalytic los tsim kom muaj qhov kub thiab txias tsis muaj nplaim taws ntawm cov khoom siv catalytic, thiab qhov kub ntawm combustion nce qhov kub ntawm cov khoom.
