Hais txogtaag hydrogen gas detectorntawm hydrogen inhalation tshuab siv nyob rau hauv cov chaw kho mob, qhov tseem ceeb yuav tsum tau muab rau kho - txoj hauj lwm hydrogen transmitters siv catalytic combustion los yog siab - precision electrochemical sensing technologies. Nws raug nquahu kom xaiv qhov ntsuas qhov ntsuas ntawm 0–100% LEL (piv txwv li, 0–40,000 ppm lossis 4% Vol), nrog rau thawj- lub tswb ntsuas ntawm 20–25% LEL thiab qhov thib ob- qib tswb ntawm 50% LEL. Lub cuab yeej yuav tsum muaj 4–20 mA analog tso zis thiab ua tau raws li qhov cuam tshuam tawg- cov qauv kev nyab xeeb pov thawj kom ntseeg tau tias cov neeg ua haujlwm nyab xeeb.
1. Xaiv hom Transmitter
Cov chaw kho mob ib puag ncig yog qhov chaw nyob ib puag ncig, thiab cov tshuab nqus pa hydrogen feem ntau siv cov pa ntshiab lossis hydrogen- cov pa sib xyaw ua rau tib neeg ua pa; yog li ntawd, kev ruaj ntseg yuav tsum nruj heev.
Pom zoo: Catalytic combustion Sensor
Qhov zoo: Kev ntsuas zoo linearity, lub neej ntev kev pab cuam, muaj zog adaptability rau ambient kub thiab av noo hloov pauv, thiab zoo heev haum rau kev soj ntsuam cov roj concentration nyob rau hauv lub Lower Explosive Limit (LEL) ntau.
Siv tau Scenarios: Cov cheeb tsam tsev kho mob hydrogen inhalation machines thiab hydrogen cia zones.
Alternative Sensor: Electrochemical Sensor
Qhov zoo: Cov rhiab heev heev (ntawm qib ppm), kev siv hluav taws xob tsawg, cov lus teb sai rau cov kab xau, thiab muaj zog tiv thaiv kev cuam tshuam los ntawm lwm cov pa roj.
Kev txiav txim siab tseem ceeb: Cov cuab yeej yuav tsum muaj qhov tawg- qauv tsim pov thawj (piv txwv li, ua tau raws li Ex d II CT6 Gb tus qauv) thiab, qhov zoo tshaj plaws, yuav tsum tau nruab nrog cov cuab yeej ua suab nrov thiab pom kev sib txuas nrog rau cov khoom siv LCD.
2. Cov lus pom zoo rau kev xaiv ntau yam
Kev txwv qis qis (LEL) rau hydrogen yog 4% Vol (sib npaug rau 40,000 ppm).
Pom Zoo Ntau Yam: 0-100% LEL (0-4% Vol / 0-40,000 ppm)
Kev Ruaj Ntseg: Cov kev cai tswj xyuas kev nyab xeeb tau hais tias cov cuab yeej saib xyuas yuav tsum npog ntau qhov sib txawv los ntawm qhov tsis tshua muaj siab mus txog qib mus txog qhov tseem ceeb rau kev tawg.
Kev Xav Tau Tshwj Xeeb: Yog tias lub hom phiaj tseem ceeb tsuas yog muaj feem cuam tshuam txog kev noj qab haus huv rau tib neeg (tsis yog kev tiv thaiv kev tawg), qhov ntau ntawm 0-1,000 ppm yuav raug xaiv; Txawm li cas los xij, qhov tshwj xeeb no tsis haum rau - lossis nws yuav tsum tau tso siab rau - tiv thaiv hydrogen tawg.
3. Tswb Threshold Settings
Raws li cov qauv kev nyab xeeb, ob -tier tswb system raug pom zoo:
Theem 1 Tswb (Tswb Tswb): 20%–25% LEL
Qib 2 Tswb (High Tswb): 50% LEL
4. Lwm yam kev xav tau
Cov Lus Qhia Tawm: Cov qauv kev lag luam 4-20 mA analog teeb liab yog siv; RS485 serial kev sib txuas lus kuj muaj.
Kev teeb tsa qhov chaw: Vim tias hydrogen tsawg dua li huab cua, nws yuav nce siab thaum xau; Yog li ntawd, lub sensor yuav tsum tau muab tso rau hauv thaj tsam ntawm 0.5 mus rau 2 meters saum toj ntawm lub tshuab nqus pa hydrogen.
Kev Kho: Nco ntsoov tias qhov kev hnov mob ntawm lub cev tuaj yeem ua rau tsis zoo vim qhov raug rau siab - concentration surges los yog ntev raug; yog li ntawd, kev ntsuas lub sij hawm raws sij hawm-feem ntau ib zaug txhua rau rau lub hlis mus rau ib xyoos- yuav tsum tau ua kom cov ntaub ntawv raug.
Hydrogen inhalation tshuab, xaiv lub catalytic combustion -hom transmitter (0–100% LEL range) los yog tawg- pov thawj electrochemical transmitter (0–1000 ppm range) ua kom muaj kev nyab xeeb.