Tsau ib qho roj transmitter LCD zaub (4-20mA \ RS485)
System configuration
Table 1 daim nqi ntawm cov ntaub ntawv rau tus qauv configuration ntawm tsau ib roj transmitter
| Standard configuration | ||
| Serial tooj | Lub npe | Lus hais |
| 1 | Gas transmitter | |
| 2 | Phau ntawv qhia | |
| 3 | Daim ntawv pov thawj | |
| 4 | Chaw taws teeb tswj | |
Thov xyuas seb cov khoom siv thiab cov khoom puas ua tiav tom qab tshem tawm.Standard configuration yog ib qho tseem ceeb accessory rau kev yuav khoom.
1.2 Qhov System Parameter
● Zuag qhia tag nrho qhov ntev: 142mm × 178.5mm × 91mm
● Nyhav: txog 1.35Kg
● Hom sensor: hom electrochemical (combustible gas yog catalytic combustion hom, txwv tsis pub)
● Tshawb nrhiav cov pa roj carbon monoxide (O2), combustible gases (Ex), cov pa phem thiab cov pa phem (O3, CO, H2S, NH3, Cl2, thiab lwm yam)
● Lub sij hawm teb: oxygen ≤ 30s;carbon monoxide ≤ 40s;combustible gas ≤ 20s;(lwm tus tso tseg)
● Ua haujlwm hom: ua haujlwm tsis tu ncua
● Ua haujlwm voltage: DC12V ~ 36V
● Cov teeb liab tso zis: RS485-4-20ma (tsim raws li cov neeg siv khoom xav tau)
● Zaub hom: Graphic LCD, Lus Askiv
● Kev ua haujlwm hom: tus yuam sij, infrared chaw taws teeb tswj
● Tswj teeb liab: 1 pawg ntawm passive hloov tso zis, qhov siab tshaj plaws load yog 250V AC 3a
● Cov haujlwm ntxiv: lub sijhawm thiab daim ntawv qhia hnub, tuaj yeem khaws 3000 + cov ntaub ntawv khaws tseg
● Qhov kub thiab txias: -20 ℃ ~ 50 ℃
● Humidity ntau: 15% ~ 90% (RH), tsis-condensing
● Cov pov thawj tawg pov thawj No.: CE20.1671
● Cov cim pov thawj tawg: Exd II CT6
● Wiring hom: RS485 yog plaub xaim system, 4-20mA yog peb xaim
● Kev xa xov cable: txiav txim siab los ntawm kev sib txuas lus, saib hauv qab no
● Kev ncua deb: tsawg dua 1000m
● Qhov ntsuas qhov sib txawv ntawm cov pa roj carbon monoxide yog qhia hauv Table 2 hauv qab no
Rooj 2Tnws ntsuas qhov sib txawv ntawm cov pa roj
| Roj | Gas npe | Technical Performance index | ||
| Kev ntsuas ntau | Kev daws teeb meem | Tswb point | ||
| CO | Cov pa roj carbon monoxide | 0-1000 p.m | 1ppm ua | 50 ppm |
| H2S | Hydrogen sulfide | 0-100 ppm | 1ppm ua | 10 ppm |
| EX | Combustible gas | 0-100% LE | 1% LOJ | 25% LE |
| O2 | Oxygen | 0-30% vol | 0.1% vol | Tsawg 18% vol Siab 23% vol |
| H2 | Hydrogen | 0-1000 p.m | 1ppm ua | 35ppm ua |
| CL2 | Chlorine | 0-20 ppm | 1ppm ua | 2ppm ua |
| NO | Nitric oxide | 0-250 hnub | 1ppm ua | 35ppm ua |
| SO2 | Sulfur dioxide | 0-20 ppm | 1ppm ua | 5ppm ua |
| O3 | Ozone | 0-5 ppm | 0.01ppm ua | 1ppm ua |
| NO2 | Nitrogen dioxide | 0-20 ppm | 1ppm ua | 5ppm ua |
| NH3 | Ammonia | 0-200 ppm | 1ppm ua | 35ppm ua |
Nco tseg: cov cuab yeej tsuas tuaj yeem ntes tau cov roj uas tau teev tseg, thiab hom thiab ntau yam ntawm cov roj uas ntsuas tau yuav tsum raug rau cov khoom tiag.
Sab nraud qhov ntev ntawm qhov ntsuas tau pom hauv daim duab 1
Daim duab 1 sab nraud ntawm qhov ntsuas
2.1 Tsau piav qhia
Phab ntsa mounted hom: kos lub installation qhov rau ntawm phab ntsa, siv 8mm × 100mm expansion ntsia liaj qhov rooj, kho lub expansion ntsia liaj qhov rooj rau ntawm phab ntsa, nruab lub transmitter, thiab ces kho nws nrog txiv ntseej, elastic ncoo thiab tiaj tus ncoo, raws li qhia nyob rau hauv daim duab 2.
Tom qab lub transmitter yog tsau, tshem tawm lub sab sauv cover thiab lead hauv cable los ntawm lub inlet.Txuas lub davhlau ya nyob twg raws li qhov zoo thiab qhov tsis zoo polarity (Ex hom kev sib txuas qhia nyob rau hauv daim duab) raws li qhia hauv daim duab kos duab, tom qab ntawd kaw cov dej tsis sib txuas, thiab kaw lub hau sab saud tom qab txhua qhov txuas tau txheeb xyuas kom raug.
Nco tseg: lub sensor yuav tsum downward thaum lub installation.
Daim duab 2 piav qhia qhov ntev thiab qhov chaw teeb tsa ntawm lub tshuab xa hluav taws xob
2.2 Cov lus qhia txuas
2.2.1 RS485 hom
(1) Cables yuav tsum yog rvvp2 * 1.0 thiab siab dua, ob 2-core xov hlau los yog rvvp4 * 1.0 thiab siab dua, thiab ib tug 4-core hlau.
(2) Kev xaim tsuas yog txhawb nqa txoj hauv kev tes.Daim duab 3 qhia tag nrho cov kab hluav taws xob, thiab daim duab 4 qhia cov ncauj lus kom ntxaws hauv cov kab hluav taws xob.
Daim duab 3 tag nrho cov kab kos duab
(1) Ntau tshaj 500m, yuav tsum tau ntxiv repeater.Tsis tas li ntawd, thaum lub transmitter txuas nrog ntau dhau lawm, lub zog hloov pauv yuav tsum tau ntxiv.
(2) Nws tuaj yeem txuas nrog pawg tswj hwm tsheb npav lossis PLC, DCS, thiab lwm yam. Modbus kev sib txuas lus raws tu qauv yog xav tau los txuas PLC lossis DCS.
(3) Rau lub davhlau ya nyob twg transmitter, tig liab toggle hloov ntawm lub transmitter mus rau ntawm kev taw qhia.
Daim duab 4 kev sib txuas ntawm RS485 tsheb npav transmitter
2.2.2 4-20mA hom
(1) Lub cable yuav tsum yog RVVP3 * 1.0 thiab siab dua, 3-core hlau.
Daim duab 5 4-20mA kev sib txuas
Cov cuab yeej tuaj yeem tso saib ntawm feem ntau ntawm ib qho ntsuas tus nqi roj.Thaum qhov ntsuas ntawm cov roj yuav tsum tau kuaj pom nyob rau hauv lub tswb ntau, lub relay yuav raug kaw.Yog tias siv lub suab thiab lub teeb ceeb toom lub teeb, lub suab thiab lub tswb nrov yuav raug xa tawm.
Cov cuab yeej muaj peb lub suab lub teeb interfaces thiab ib qho LCD hloov.
Lub ntsuas hluav taws xob muaj lub luag haujlwm ntawm lub sijhawm khaws cia, uas tuaj yeem sau cov xwm txheej ntawm lub tswb thiab lub sijhawm ntawm lub sijhawm.Thov xa mus rau cov lus qhia hauv qab no rau kev ua haujlwm tshwj xeeb thiab cov lus piav qhia ua haujlwm.
3.1 Cov lus piav qhia tseem ceeb
Cov cuab yeej muaj peb lub nyees khawm, thiab cov haujlwm tau qhia hauv Table 3
Table 3 key piav qhia
| Ntsiab | Muaj nuj nqi | Lus hais |
| KEV 1 | Kev xaiv zaub mov | Sab laug |
| TSEEM CEEB 2 | l Nkag mus rau cov ntawv qhia zaub mov thiab paub meej tias tus nqi teeb tsa | Qhov tseem ceeb nruab nrab |
| KEV 3 | Saib cov kev txwv Nkag mus rau cov haujlwm xaiv | Txoj cai tseem ceeb |
Nco tseg: lwm txoj haujlwm yuav raug rau cov zaub hauv qab ntawm lub vijtsam ntsuas.
Nws tseem tuaj yeem ua haujlwm los ntawm infrared chaw taws teeb tswj.Lub luag haujlwm tseem ceeb ntawm infrared chaw taws teeb tswj tau pom hauv daim duab 6.
Daim duab 6 tej thaj chaw deb tswj key piav qhia
3.2 Zaub interface
Tom qab lub cuab yeej yog powered on, nkag mus rau lub khau raj zaub interface.Raws li pom hauv daim duab 7:
Daim duab 7 khau raj zaub interface
Qhov no interface yog tos rau cov ntsuas ntsuas kom stabilize.Lub scroll bar nyob nruab nrab ntawm LCD qhia lub sijhawm tos, txog 50s.X% yog qhov kev nce qib ntawm kev khiav tam sim no.Hauv kaum sab xis ntawm cov zaub yog lub sijhawm ntsuas tam sim no (lub sijhawm no tuaj yeem hloov pauv raws li xav tau hauv cov ntawv qhia zaub mov).
Thaum lub sij hawm tos feem pua yog 100%, qhov ntsuas yuav nkag mus rau hauv kev soj ntsuam cov roj zaub interface.Siv cov pa roj carbon monoxide ua piv txwv, raws li qhia hauv daim duab 8.
Daim duab 8 saib xyuas cov khoom siv roj
Yog tias koj xav tau saib cov roj tsis muaj roj, nyem qhov tseem ceeb.
1) Tshawb pom zaub interface:
Zaub: hom roj, roj concentration tus nqi, chav tsev, xeev.Raws li pom hauv daim duab 8.
Thaum cov roj ntau tshaj li lub hom phiaj, lub tswb ntawm lub tsev yuav raug tso tawm nyob rau hauv pem hauv ntej ntawm chav tsev (lub tswb hom ntawm carbon monoxide, hydrogen sulfide thiab combustible gas yog qib 1 los yog theem 2, thaum lub tswb hom pa oxygen yog lub tswb. sab sauv lossis qis dua), raws li qhia hauv daim duab 9.
Daim duab 9 interface nrog roj tswb
1) Parameter zaub interface:
Nyob rau hauv lub gas detection interface, right-click kom nkag mus rau cov roj parameter zaub interface.
Zaub: roj hom, tswb lub xeev, lub sij hawm, thawj theem tswb nqi (tso txwv tswb), theem ob tswb tus nqi (sab saum toj txwv tswb), ntau yam, tam sim no roj concentration tus nqi, chav tsev, gas txoj hauj lwm.
Thaum nias tus yuam sij (tus yuam sij txoj cai) nyob rau hauv "rov qab", cov zaub interface yuav hloov mus rau qhov ntsuas roj zaub interface.
Daim duab 10 carbon monoxide
3.3 Cov ntawv qhia zaub mov
Thaum tus neeg siv yuav tsum tau teeb tsa, nias qhov tseem ceeb nruab nrab.
Lub ntsiab zaub mov interface yog qhia nyob rau hauv daim duab 11:
Daim duab 11 lub ntsiab zaub mov
Icon ➢ hais txog cov haujlwm uas tau xaiv tam sim no.Nias lub pob laug los xaiv lwm yam dej num, thiab nias lub khawm sab xis kom nkag mus rau qhov ua haujlwm
Muaj nuj nqi:
★ Sijhawm teem sijhawm: Teem sijhawm teem sijhawm
★ Kev sib txuas lus teeb tsa: Kev sib txuas lus baud tus nqi, chaw nyob ntaus ntawv
★ Lub tswb nrov: Saib cov ntaub ntawv tswb
★ Teem cov ntaub ntawv tswb: Teem lub tswb tus nqi, tus nqi tswb thawj zaug thiab thib ob
★ Calibration: Zero calibration thiab calibration ntawm ntsuas
★ Rov qab: Rov qab mus rau qhov kuaj pom roj zaub interface.
3.3.1 Sijhawm teem sijhawm
Nyob rau hauv lub ntsiab ntawv qhia zaub mov interface, nias rau sab laug khawm kom xaiv qhov system Settings, nias lub khawm sab xis kom nkag mus rau qhov system Chaw teev npe, nias rau sab laug khawm xaiv lub sij hawm nqis, thiab nias lub pob txoj cai nkag mus rau lub sij hawm teem interface, raws li qhia nyob rau hauv Daim duab 12:
Daim duab 12 lub sijhawm teem
Icon ➢ hais txog lub sijhawm tam sim no xaiv los hloov kho.Nias lub khawm sab xis los xaiv txoj haujlwm no, thiab tus lej xaiv yuav tshwm sim raws li pom hauv daim duab 13. Tom qab ntawd nias lub pob laug los hloov cov ntaub ntawv.Nias lub pob laug los kho lwm lub sijhawm ua haujlwm.
Daim duab 13 teeb xyoo muaj nuj nqi
Muaj nuj nqi:
★ Xyoo Ntau ntawm 20 ~ 30
★ Lub hli Ntau ntawm 01 ~ 12
★ Hnub Nruab Nrab ntawm 01 ~ 31
★ Sijhawm Sijhawm los ntawm 00 ~ 23
★ feeb Ntau ntawm 00 ~ 59
★ Rov qab mus rau lub ntsiab zaub mov interface
3.3.2 Kev teeb tsa kev sib txuas lus
Cov ntawv qhia kev sib txuas lus tau pom nyob rau hauv daim duab 14 los teeb tsa cov kev sib txuas lus
Daim duab 14 kev teeb tsa kev sib txuas lus
Chaw Nyob Qhov Chaw: 1 ~ 200, ntau qhov chaw nyob ntawm lub cuab yeej yog: thawj qhov chaw nyob ~ (thawj chaw nyob + tag nrho cov pa roj -1)
Baud tus nqi Kev teeb tsa ntau: 2400, 4800, 9600, 19200. Default: 9600, feem ntau tsis tas yuav teeb tsa.
Raws li kev nyeem ntawv nkaus xwb, tsis yog tus qauv thiab RTU, tsis yog tus qauv yog los txuas peb lub tuam txhab kev tswj lub tsheb npav thiab lwm yam RTU yog txuas PLC, DCS thiab lwm yam.
Raws li pom nyob rau hauv daim duab 15, teeb qhov chaw nyob, nias lub pob laug los xaiv qhov chaw me ntsis, nias lub pob txoj cai los hloov tus nqi, nias lub pob nruab nrab kom paub meej, qhov kev pom zoo rov tshwm sim, nyem rau sab laug kom paub meej.
Daim duab 15 teeb qhov chaw nyob
Raws li pom nyob rau hauv daim duab 16, xaiv qhov xav tau Baud tus nqi, nias lub pob txoj cai kom paub meej, thiab lub interface rau reconfirmation tshwm.Nyem rau sab laug khawm kom paub meej.
Daim duab 16 Xaiv Baud tus nqi
3.3.3 Cov ntaub ntawv khaws cia
Hauv cov ntawv qhia zaub mov tseem ceeb, nias lub pob laug los xaiv "cov ntaub ntawv khaws cia" cov khoom ua haujlwm, tom qab ntawd nias lub pob sab xis nkag mus rau cov ntawv qhia zaub mov cia, raws li pom hauv daim duab 17.
Tag nrho kev cia: tag nrho cov ntaub ntawv ceeb toom uas lub ntsuas tau khaws cia.
Number of overwrite: Yog hais tias tus nqi ntawm cov ntaub ntawv khaws cia nyob rau hauv lub ntaus ntawv yog ntau tshaj li tag nrho cov naj npawb ntawm cia, nws yuav overwritten pib los ntawm thawj daim ntaub ntawv.
Tam sim no serial tooj: tus naj npawb ntawm cov ntaub ntawv khaws tseg tam sim no.Daim duab 20 qhia tias nws tau txais kev cawmdim rau No.326.
Ua ntej tso saib cov ntaub ntawv tshiab kawg, nias lub pob sab laug kom pom cov ntaub ntawv tom ntej, raws li pom hauv daim duab 18, thiab nias lub pob sab xis kom rov qab mus rau cov ntawv qhia zaub mov tseem ceeb
Daim duab 17 tus naj npawb ntawm cov ntaub ntawv khaws cia
Daim duab 18Sau cov ntsiab lus
3.3.4 Tswb
Nyob rau hauv lub ntsiab ntawv qhia zaub mov interface, nias rau sab laug khawm kom xaiv lub "Tswb Tswb" muaj nuj nqi, thiab ces nias lub khawm sab xis kom nkag mus rau lub tswb teeb tsa roj xaiv interface, raws li qhia nyob rau hauv daim duab 22. Nias rau sab laug khawm xaiv cov roj hom mus. teeb tsa tus nqi tswb, thiab nias lub pob kom nkag mus rau qhov xaiv roj tswb tus nqi cuam tshuam.Cia peb noj cov pa roj carbon monoxide.
Daim duab 19 xaiv lub tswb ntsuas roj
Daim duab 20 carbon monoxide ceeb toom tus nqi
Nyob rau hauv daim duab 23 interface, nias sab laug rau xaiv cov pa roj carbon monoxide "theem I" lub tswb tus nqi, ces txoj nyem rau nkag mus rau cov ntawv qhia zaub mov, raws li qhia hauv daim duab 24, lub sijhawm no nias lub pob laug hloov cov ntaub ntawv, txoj cai nyem flicker tus nqi ntxiv. ib qho, los ntawm cov nyees khawm sab laug thiab txoj cai los teeb tsa tus nqi tsim nyog, teeb tsa tiav, nias lub pob nruab nrab kom nkag mus rau lub tswb tus nqi lees paub tus lej cuam tshuam, nias tus yuam sij sab laug kom paub meej lub sijhawm no, yog tias qhov chaw ua tiav, yuav tso saib " teeb tsa kev ua tiav" nyob rau hauv nruab nrab ntawm cov kab ntawm qhov qis tshaj plaws, txwv tsis pub cov lus qhia "kev ua tsis tiav", raws li qhia hauv daim duab 25.
Nco tseg: Lub tswb ntsuas tus nqi yuav tsum tsawg dua lub Hoobkas nqi (qhov qis dua cov pa oxygen yuav tsum ntau dua li lub Hoobkas nqi), txwv tsis pub qhov teeb tsa yuav ua tsis tiav.
Daim duab 21 teeb tsa tus nqi tswb
Daim duab 22 ua tiav kev teeb tsa interface
3.3.5 Calibration
Lus Cim: 1. Kev kho xoom tuaj yeem ua tau tom qab pib qhov ntsuas thiab ua tiav qhov pib.
2. Oxygen tuaj yeem nkag mus rau "Gas Calibration" ntawv qhia zaub mov raws li tus qauv atmospheric siab.calibration zaub tus nqi yog 20.9% vol.Tsis txhob ua xoom kho cov haujlwm hauv huab cua.
Kev kho xoom
Kauj ruam 1: Nyob rau hauv lub ntsiab ntawv qhia zaub mov interface, nias rau sab laug khawm kom xaiv lub "Device Calibration" muaj nuj nqi, thiab ces nias lub khawm sab xis nkag mus rau cov ntawv qhia zaub mov ntawm input calibration password, raws li qhia nyob rau hauv daim duab 23. Raws li lub icon nyob rau hauv lub xeem. kab ntawm lub interface, nias rau sab laug khawm hloov cov ntaub ntawv me ntsis, nias lub khawm sab xis ntxiv 1 rau tam sim no flashing ntsis nqi, nkag mus rau tus password 111111 los ntawm kev sib xyaw ntawm ob lub nyees khawm, thiab tom qab ntawd nias lub pob nruab nrab kom hloov mus rau qhov calibration thiab xaiv interface, raws li qhia hauv daim duab 24.
Daim duab 23 tus password nkag
Daim duab 24 xaiv hom kho
Kauj ruam 2: nias lub pob sab laug kom xaiv cov khoom xoom kho muaj nuj nqi, thiab tom qab ntawd nias txoj cai khawm kom nkag mus rau xoom calibration ntawv qhia zaub mov, los ntawm sab laug khawm xaiv hom roj raws li qhia hauv daim duab 25, tom qab ntawd nias lub pob nyem nkag mus xaiv cov roj xoom tu ntawv qhia zaub mov, txiav txim siab cov pa roj tam sim no 0 PPM, nias sab laug khawm kom paub meej, tom qab qhov kev ua tiav ntawm qhov kev ntsuas nruab nrab ntawm qhov screen hauv qab yuav pom kev ua tiav, txwv tsis pub tso saib calibration tsis ua haujlwm, raws li qhia hauv daim duab 26.
Daim duab 25 xaiv hom roj rau xoom kho
Daim duab 26 paub meej meej
Kauj ruam 3: Nias lub khawm kom rov qab mus rau lub interface ntawm roj hom xaiv tom qab xoom kho tiav.Lub sijhawm no, koj tuaj yeem xaiv lwm hom roj av los ua xoom kho.Txoj kev yog tib yam li saum toj no.Tom qab xoom tshem tawm, nias cov ntawv qhia zaub mov kom txog thaum rov qab mus rau qhov chaw kuaj pom roj, lossis cia li tawm ntawm cov ntawv qhia zaub mov thiab rov qab mus rau qhov chaw kuaj pom roj tom qab tsis muaj khawm nias txo mus rau 0 ntawm lub countdown interface.
Gas calibration
Kauj Ruam 1: Qhib cov roj calibration.Tom qab tso tawm tus nqi ntawm cov roj yog ruaj khov, nkag mus rau cov ntawv qhia zaub mov tseem ceeb thiab xaiv cov ntawv qhia zaub mov calibration.Txoj kev ua haujlwm tshwj xeeb yog Kauj Ruam 1 ntawm xoom calibration.
Kauj ruam 2: Xaiv cov khoom muaj nuj nqi Gas Calibration, nias lub khawm sab xis kom nkag mus rau calibration roj xaiv interface, cov roj xaiv txoj kev yog tib yam li xoom calibration xaiv txoj kev, tom qab xaiv cov roj hom yuav tsum tau calibrated, nias lub khawm txoj cai rau. nkag mus rau qhov xaiv roj calibration tus nqi teeb tsa interface, Raws li pom hauv daim duab 27, tom qab ntawd siv cov nyees khawm sab laug thiab txoj cai los teeb tsa tus nqi concentration ntawm cov roj calibration.Piv txwv tias tam sim no calibration yog carbon monoxide gas, qhov concentration ntawm cov roj calibration yog 500ppm, ces teem rau '0500'.Raws li pom hauv daim duab 28.
Daim duab 27 kho roj hom xaiv
Daim duab 28 teeb tsa tus nqi concentration ntawm cov qauv roj
Kauj ruam 3: teeb tsa tom qab cov roj concentration, nias lub pob nruab nrab, nyob rau hauv lub interface rau cov roj calibration interface, raws li qhia nyob rau hauv daim duab 29, lub interface muaj ib tug nqi uas yog tam sim no nrhiav roj concentration, thaum lub interface countdown rau 10, tuaj yeem nias lub pob laug mus rau phau ntawv calibration, roj tsis siv neeg calibration tom qab 10 s, tom qab ib tug zoo interface zaub XXXX calibration ua tau zoo, txwv tsis pub tso saib XXXX calibration ua tsis tau tejyam, Zaub hom yog qhia nyob rau hauv daim duab 30.'XXXX 'yog hais txog hom roj calibrated.
Daim duab 29 gas calibration
Daim duab 30 calibration tshwm sim sai
Kauj ruam 4: Tom qab lub calibration tiav, yog hais tias tus nqi ntawm cov roj tso tawm tsis ruaj khov, koj tuaj yeem rov calibration.Yog hais tias qhov calibration tsis ua hauj lwm, thov xyuas seb qhov concentration ntawm cov qauv roj yog raws li tus nqi calibration.Tom qab cov roj calibration tiav lawm, nias lub khawm sab xis kom rov qab mus rau cov roj hom xaiv interface kom ntsuas lwm cov roj.
Kauj ruam 5: Tom qab tag nrho cov roj calibration tiav, nias cov ntawv qhia zaub mov kom txog thaum rov qab mus rau lub gas detection interface, los yog cia li tawm hauv cov ntawv qhia zaub mov thiab rov qab mus rau lub gas detection interface tom qab lub countdown interface txo mus rau 0 yam tsis tau nias lub pob.
3.3.6 Rov qab
Hauv cov ntawv qhia zaub mov tseem ceeb, nias lub pob laug los xaiv 'Rov qab' muaj nuj nqi, thiab tom qab ntawd nias lub pob sab xis kom rov qab mus rau cov ntawv qhia dhau los.
1. Tsis txhob siv lub cuab yeej hauv ib puag ncig corrosive
2. Nco ntsoov kom tsis txhob muaj kev sib cuag ntawm qhov ntsuas thiab dej.
3. Tsis txhob xaim hluav taws xob.
4. Tsis tu ncua ntxuav lub sensor lim kom tsis txhob lim clogging thiab tsis tuaj yeem ntes roj ib txwm.
Cov khoom muaj feem xyuam
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Portable gas sampling twj tso kua mis
Khoom Parameters ● Zaub: Loj npo dot matrix kua siv lead ua zaub ● Resolution: 128 * 64 ● Lus: Lus Askiv thiab Suav ● Plhaub cov ntaub ntawv: ABS ● Ua hauj lwm hauv paus ntsiab lus: Diaphragm self-priming ● Flow: 500mL/min ● Siab: -60kPa ● Suab nrov : ＜32dB ● ua hauj lwm voltage: 3.7V ● Roj teeb muaj peev xwm: 2500mAh Li roj teeb ● Stand-by lub sij hawm: 30hours (kom twj tso kua mis qhib) ● Charging Voltage: DC5V ● Them sij hawm: 3 ~ 5...
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Compound ib leeg taw tes phab ntsa mounted gas tswb
Khoom Parameters ● Sensor: Combustible gas yog hom catalytic, lwm yam gases yog electrochemical, tshwj xeeb ● Teb lub sij hawm: EX≤15s;O2≤15s;CO≤15s;H2S≤25s ● Cov qauv ua haujlwm: kev ua haujlwm tas mus li ● Zaub: LCD zaub ● Screen Resolition: 128 * 64 ● Alarming mode: Audible & Light Light tswb - Siab siv strobes Audible tswb - saum toj no 90dB ● Tso zis tswj: relay output nrog ob wa ...
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Ib-point Phab Ntsa Mounted Gas Alarm
Structure chart Technical parameter ● Sensor: electrochemistry, catalytic combustion, infrared, PID...... ● Responding time: ≤30s ● Display mode: High brightness red digital tube ● Alarming mode: Audible alarm -- above 90dB(10cm) Lub teeb tswb-Φ10 liab-emitting diodes (leds) ...
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Ib-point Phab Ntsa Mounted Gas Alarm
Technical parameter ● Sensor: catalytic combustion ● Teb lub sij hawm: ≤40s (paj hom) ● Ua hauj lwm qauv: nruam kev khiav hauj lwm, siab thiab qis tswb point (tuaj yeem teem) ● Analog interface: 4-20mA teeb liab tso zis [xaiv] ● Digital interface: RS485-bus interface [xaiv] ● Display hom: Graphic LCD ● Alarming mode: Audible tswb - saum 90dB;Lub tswb nrov - Siab siv strobes ● Tso zis tswj: re...
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Tib-point Phab Ntsa Mounted Gas Alarm (Carbon dio...
Technical parameter ● Sensor: infrared sensor ● Teb lub sij hawm: ≤40s (paj hom) ● Kev ua haujlwm qauv: kev ua haujlwm tsis tu ncua, siab thiab qis tswb taw tes (tuaj yeem teeb tsa) ● Analog interface: 4-20mA teeb liab tso zis [xaiv] ● Digital interface: RS485-bus interface [xaiv] ● Display hom: Graphic LCD ● Alarming mode: Audible tswb - saum 90dB;Lub tswb nrov - Siab siv strobes ● Tso zis tswj: relay o ...
