Portable combustible gas leak detector
● Hom Sensor: Catalytic sensor
● Tshawb xyuas roj: CH4 / Natural gas / H2 / ethyl cawv
● Ntsuas ntau: 0-100% lel lossis 0-10000ppm
● Tswb taw tes: 25% lel lossis 2000ppm, kho tau
● Qhov tseeb: ≤5%FS
● Tswb: Suab + vibration
● Lus: Txhawb lus Askiv & Suav zaub mov hloov
● Zaub: LCD cov zaub, Plhaub Khoom: ABS
● Ua haujlwm voltage: 3.7V
● Roj teeb muaj peev xwm: 2500mAh Lithium roj teeb
● Them voltage: DC5V
● Lub sijhawm them nyiaj: 3-5 teev
● Ambient ib puag ncig: -10 ~ 50 ℃, 10 ~ 95% RH
● Khoom Loj: 175 * 64mm (tsis suav nrog kev sojntsuam)
● Nyhav: 235g
● Packing: Aluminium Case
Daim duab dimension yog qhia hauv daim duab 1:
Daim duab 1 Dimension diagram
Cov npe khoom qhia raws li cov lus 1.
Table 1 Cov npe khoom
| Yam khoom No. | Lub npe |
| 1 | Portable combustible gas leak detector |
| 2 | Phau ntawv qhia |
| 3 | Charger |
| 4 | Daim Ntawv Pov Thawj |
Nthuav qhia
Cov kev qhia tshwj xeeb ntawm cov cuab yeej ntsuas tau pom hauv daim duab 2 thiab cov lus 2.
Table 2 Specification ntawm ntsuas qhov chaw
| Tsis muaj. | Lub npe |
Daim duab 2 Specification ntawm ntsuas qhov chaw |
| 1 | Zaub Screen | |
| 2 | Qhov taw qhia lub teeb | |
| 3 | USB charging chaw nres nkoj | |
| 4 | Nce tus yuam sij | |
| 5 | Lub hwj chim khawm | |
| 6 | Down Key | |
| 7 | Hose | |
| 8 | Sensor |
3.2 Fais fab rau
Cov lus piav qhia tseem ceeb muaj nyob hauv kab lus 3
Table 3 Ntsiab Function
| Khawm | Cov lus piav qhia ua haujlwm | Nco tseg |
| ▲ | Nce, tus nqi +, thiab tshuaj ntsuam qhia ua haujlwm | |
 | Ntev nias 3s rau khau raj Nias kom nkag mus rau cov ntawv qhia zaub mov Luv nias kom paub meej tias kev ua haujlwm Ntev nias 8s kom rov pib lub cuab yeej | |
| ▼ | Scroll down, sab laug thiab txoj cai hloov flicker, screen qhia muaj nuj nqi |
● Ntev nias3s pib
● ntsaws rau hauv lub charger thiab lub ntsuas yuav pib txiav.
Muaj ob qhov sib txawv ntawm qhov ntsuas.Hauv qab no yog ib qho piv txwv ntawm 0-100% LEL.
Tom qab pib, cov cuab yeej qhia qhov pib interface, thiab tom qab pib, qhov kev tshawb pom tseem ceeb tshwm sim, raws li pom hauv daim duab 3.
Daim duab 3 Main Interface
Kev sim ntsuas ze rau qhov chaw uas xav tau los kuaj, ntsuas yuav pom qhov ceev, thaum muaj kev sib tw pom, thiab nrog kev co, qhov screen saum lub tswb icon
tshwm, raws li qhia hauv daim duab 4, lub teeb hloov ntawm ntsuab mus rau txiv kab ntxwv lossis liab, txiv kab ntxwv rau thawj lub tswb, liab rau lub tswb thib ob.
Daim duab 4 Main interfaces thaum lub tswb
Nias ▲ tus yuam sij tuaj yeem tshem tawm lub suab tswb, lub tswb icon hloov mus rau
.Thaum lub ntsuas ntsuas qis dua qhov ntsuas tus nqi, qhov kev vibration thiab lub tswb nrov nres thiab qhov taw qhia lub teeb hloov ntsuab.
Nias ▼ tus yuam sij los tso saib cov ntsuas ntsuas, raws li pom hauv daim duab 5.
Daim duab 5 Instrument Parameters
Nias ▼ tus yuam sij rov qab mus rau lub ntsiab interface.
3.3 Main Menu
Xovxwmqhov tseem ceeb ntawm lub ntsiab interface, thiab rau hauv cov ntawv qhia zaub mov interface, raws li qhia hauv daim duab 6.
Daim duab 6 Main Menu
Kev teeb tsa: teeb tsa tus nqi tswb ntawm qhov ntsuas, Lus.
Calibration: xoom calibration thiab roj calibration ntawm lub ntsuas
Shutdown: cov khoom siv kaw
Rov qab: rov qab mus rau qhov screen loj
Nias ▼ lossis ▲ xaiv muaj nuj nqi, niaslos ua ib qho kev ua haujlwm.
3.4 Kev teeb tsa
Cov ntawv qhia zaub mov muaj nyob hauv daim duab 8.
Daim duab 7 Settings Menu
Teem Parameter: Tswb Settings
Lus: Xaiv hom lus
3.4.1Teeb Parameter
Cov ntawv qhia zaub mov kev teeb tsa muaj nyob hauv daim duab 8. Nias ▼ lossis ▲ xaiv lub tswb uas koj xav teeb tsa, ces niasmus ua haujlwm.
Daim duab 8 Kev xaiv lub tswb
Piv txwv li, teeb lub tswb theem 1 raws li pom hauv daim duab9, ▼ hloov qhov flicker me ntsis, ▲ tus nqintxiv1. Lub tswb ntsuas tus nqi yuav tsum yog ≤ lub Hoobkas nqi.
Daim duab 9 Kev teeb tsa lub tswb
Tom qab teeb tsa, niasnkag mus rau qhov teeb tsa interface ntawm kev txiav txim siab tus nqi tswb, raws li qhia hauv daim duab 10.
Daim duab 10 Txiav txim siab tus nqi tswb
Xovxwm, kev vam meej yuav tshwm sim nyob rau hauv qab ntawm qhov screen, thiab tsis ua hauj lwm yuav tshwm sim yog hais tias tus nqi tswb tsis nyob rau hauv qhov kev tso cai.
3.4.2 Lus
Cov ntawv qhia zaub mov muaj nyob hauv daim duab 11.
Koj tuaj yeem xaiv Suav lossis Askiv.Nias ▼ lossis ▲ xaiv hom lus, niaskom paub meej.
Daim duab 11 Lus
3.5 Cov khoom siv calibration
Thaum lub ntsuas tau siv rau lub sijhawm, qhov xoom drift tshwm thiab qhov ntsuas tus nqi tsis raug, qhov ntsuas yuav tsum tau ntsuas.Calibration yuav tsum muaj cov qauv roj, yog tias tsis muaj cov qauv roj, cov roj calibration tsis tuaj yeem ua.
Txhawm rau nkag mus rau cov ntawv qhia zaub mov no, yuav tsum sau tus password raws li qhia hauv daim duab 12, uas yog 1111
Daim duab 12 Password input interface
Tom qab ua tiav tus password nkag, niasnkag mus rau lub cuab yeej calibration xaiv interface, raws li qhia hauv daim duab 13:
Xaiv qhov kev txiav txim koj xav ua thiab niasnkag.
Daim duab 13 Kho hom xaiv
Zero calibration
Nkag mus rau cov ntawv qhia zaub mov kom ua xoom calibration hauv huab cua huv lossis nrog 99.99% ntshiab nitrogen.Qhov kev ceeb toom rau kev txiav txim siab ntawm xoom calibration yog qhia nyob rau hauv daim duab 14 .Txhais raws li ▲.
Daim duab 14 Paub meej tias qhov pib dua tshiab
Kev vam meej yuav tshwm sim hauv qab ntawm qhov screen.Yog tias qhov concentration siab dhau lawm, qhov kev kho xoom yuav ua tsis tiav.
Gas calibration
Qhov kev ua haujlwm no yog ua los ntawm kev sib txuas tus qauv roj sib txuas flowmeter los ntawm lub hose mus rau lub qhov ncauj ntawm qhov ntsuas.Nkag mus rau cov roj calibration interface raws li qhia hauv daim duab 15, nkag mus rau tus qauv roj concentration.
Daim duab 15 Teeb tus qauv roj concentration
Qhov concentration ntawm cov txheej txheem input gas yuav tsum yog ≤ qhov ntau.Xovxwmkom nkag mus rau calibration tos interface raws li qhia hauv daim duab 16 thiab nkag mus rau cov qauv roj.
Daim duab 16 Calibration tos interface
Tsis siv neeg calibration yuav raug tua tom qab 1 feeb, thiab qhov kev ua tiav calibration zaub interface yog qhia hauv daim duab 17.
Daim duab 17 Calibration tiav
Yog hais tias qhov concentration tam sim no txawv dhau ntawm tus qauv roj concentration, calibration tsis ua hauj lwm yuav pom, raws li qhia hauv daim duab 18.
Daim duab 18 Calibration tsis ua hauj lwm
4.1 Lus ceeb toom
1) Thaum them nyiaj, thov kaw lub ntsuas ntsuas kom txuag lub sijhawm them.Tsis tas li ntawd, yog tias hloov thiab them nyiaj, lub sensor yuav raug cuam tshuam los ntawm qhov sib txawv ntawm lub charger (los yog qhov sib txawv ntawm qhov chaw them nyiaj), thiab nyob rau hauv qhov xwm txheej hnyav, tus nqi yuav tsis raug lossis txawm tias lub tswb.
2) Nws xav tau 3-5 teev rau kev them nyiaj thaum lub ntsuas hluav taws xob pib tawm.
3) Tom qab tau them tag nrho, rau cov roj combustible, nws tuaj yeem ua haujlwm 12 teev tsis tu ncua (Tshwj tsis yog lub tswb)
4) Tsis txhob siv lub ntsuas ntsuas hauv qhov chaw corrosive.
5) Tsis txhob sib cuag nrog dej.
6) Them lub roj teeb txhua ib mus rau ob-peb lub hlis los tiv thaiv nws lub neej ib txwm yog tias nws tsis siv sijhawm ntev.
7) Thov nco ntsoov pib lub tshuab hauv ib puag ncig ib puag ncig.Tom qab pib, coj mus rau qhov chaw uas yuav tsum tau kuaj xyuas cov pa roj tom qab kev pib ua tiav.
4.2 Cov teeb meem thiab kev daws teeb meem
Tej teeb meem thiab kev daws teeb meem raws li rooj 4.
Table 4 Cov teeb meem thiab kev daws teeb meem
| Qhov tshwm sim poob | Ua rau lub malfunction | Kev kho mob |
| Unbootable | roj teeb tsawg | Thov them lub sijhawm |
| Qhov system nres | Nias lubkhawm rau 8s thiab rov pib lub cuab yeej | |
| Circuit Court txhaum | Thov hu rau koj tus neeg muag khoom lossis chaw tsim khoom kom kho | |
| Tsis muaj lus teb rau kev tshawb nrhiav cov pa roj | Circuit Court txhaum | Thov hu rau koj tus neeg muag khoom lossis chaw tsim khoom kom kho |
| Qhia qhov tsis raug | Sensors tas sij hawm | Thov hu rau koj tus neeg muag khoom lossis cov chaw tsim khoom kho kom hloov lub sensor |
| Ntev ntev tsis muaj calibration | Thov calibrate raws sijhawm | |
| Calibration tsis ua hauj lwm | Ntau dhau sensor drift | Calibrate los yog hloov lub sensor nyob rau hauv lub sij hawm |
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