Yuav Muaj Dab Tsi Tshwm Sim Thaum Koj Dhau Cov Qauv Kev Ua Raws Cai rau Cov Cables Instrumentation?
- Cov Lus Teb Ncaj Qha: Kev Tsis Ua Raws Cai Yog Kim Heev Thiab Txaus Ntshai
Cov neeg ib txwm nug tias:Vim li cas kev ua raws li cov qauv cable ntsuas thiaj li tseem ceeb heev?
Cov lus teb yooj yim:Cov ntaub ntawv kev lag luam qhia tau tias80% ntawm cov cuab yeej siv hluav taws xob uas tsis ua raws li txoj cai ntsib teeb meem loj hauv 18 lub hlis- xws li kev ua yuam kev ntawm lub teeb liab tsis tu ncua mus txog rau qhov ua tsis tiav ntawm lub kaw lus thiab kev phom sij ntawm hluav taws.
| Qeb Qhov Tshwm Sim | Cov Txiaj Ntsig Tshwj Xeeb | Kev Cuam Tshuam ntawm Tus Nqi Ib Txwm Muaj |
| Kev ncaj ncees ntawm lub teeb liab | Kev nyeem ntawv 4-20mA tsis ruaj khov, kev sib txuas lus RS485 yuam kev, thermocouple drift | Cov txheej txheem tsis zoo, cov khoom tsis raws li qhov tau teev tseg, kev ua haujlwm dua tshiab |
| Cov khoom siv tsis ua haujlwm | Cov voj voog luv luv, cov teeb meem hauv av, kev puas tsuaj ntawm cov khoom rwb thaiv tsev | Lub sijhawm tsis ua haujlwm uas tsis tau npaj tseg ($10,000-$500,000/teev) |
| Kev phom sij ntawm kev nyab xeeb | Kev kis hluav taws (cable uas tsis kub hnyiab), hluav taws xob poob siab, kev pheej hmoo tawg (cheeb tsam txaus ntshai) | Kev raug mob, kev tuag, kev puas tsuaj ntawm cov nroj tsuag |
| Kev ua txhaum cai | Cov lus hais txog OSHA, kev tsis ua raws li NEC/IEC, kev tsis lees paub qhov kev thov nyiaj pov hwm | Kev nplua, kev txiav txim kaw, kev foob txog kev lav ris |
| Kev tsis lees txais qhov project | EPC/tus neeg siv khoom tsis kam lees txais cov xov hlau uas tsis tau ntawv pov thawj | Cov nqi rov rub tawm, kev ncua sijhawm ntawm qhov project |
Cov Lus Qhia Tseem Ceeb:Kev tsis ua raws li txoj cai kom txuag tau 10-20% ntawm tus nqi cable feem ntau ua rau10-100 × tus nqi tag nrho siab duathaum muaj kev ua tsis tiav, kev poob haujlwm, thiab kev ua haujlwm dua tshiab.
(Tsuas yog 20% ntawm cov kev teeb tsa ua raws li txoj cai ua tiav thaum lwm tus ua tsis tiav hauv 18 lub hlis)
Ntawm Dingzun Cable,Tag nrho peb cov xov hlau ntsuas tau ua raws li EN 50288-7, IEC 60332, thiab cov kev cai NEC/CE uas siv tau - nrog rau cov ntawv qhia txog kev xeem uas tau sau tseg los ua pov thawj. Kev ua raws li txoj cai tsis yog ib qho kev xaiv; nws yog peb tus qauv.
- Cov Ntaub Ntawv: 80% Tus Nqi Ua Tsis Tau Raws Cai
Cov kev tshawb fawb txog kev lag luam thiab cov ntaub ntawv hauv daim teb qhia tau tias cov xov hlau uas tsis ua raws li txoj cai ua tsis tau zoo ntawm cov nqi siab dua.
Rooj 1: Kev Ua Raws Cai piv rau Kev Tsis Ua Raws Cai - Kev Sib Piv ntawm Tus Nqi Ua Tsis Tau Zoo
| Cov Qauv | Ua raws li Cable (EN 50288-7, UL, IEC) | Tsis Ua Raws Cai / Cable Dav Dav |
| Tus nqi ua tsis tiav hauv 18 lub hlis |
| 60-80%(nyob ntawm ib puag ncig) |
| Hom kev ua tsis tiav feem ntau | Tsawg kawg nkaus - feem ntau yog kev puas tsuaj rau lub cev | Kev tawg ntawm rwb thaiv tsev, impedance mismatch, capacitance drift, nplaim taws kis |
| Lub sijhawm nruab nrab ntawm kev ua tsis tiav (MTBF) | 15-25 xyoo | 1-3 xyoos |
| Tus nqi thov kev lees paub |
| 15-30% |
| Tus nqi xeem dhau rau kev lees txais qhov project | 100% (nrog cov ntaub ntawv) |
|
Feem ntau txhais li cas "Tsis Ua Raws Cai":
| Kev thov | Kev muaj tiag |
| "Nws zoo li cov xov hlau ntsuas" | Tsis muaj cov kev ntsuas hluav taws xob uas tau txheeb xyuas (impedance, capacitance, attenuation) |
| Tej zaum nws yog cov khoom tiv taus hluav taws kub | Tsis muaj kev sim IEC 60332-1 - tej zaum yuav ua rau hluav taws kub kis tau |
| "Qhov impedance ze txaus lawm" | ±15Ω vs xav tau ±5Ω - kev cuam tshuam teeb liab lav |
| "Peb tsis xav tau cov ntawv qhia txog kev kuaj mob" | Tsis muaj pov thawj ntawm kev ua raws li txoj cai - kev pheej hmoo ntawm kev tsis lees txais qhov project |
| "Nws pheej yig dua" | Txuag tau 20% ua ntej - 500% tus nqi thaum ua tsis tiav / tsis ua haujlwm |
Ntawm Dingzun Cable,peb muab cov ntawv qhia txog kev xeem tag nrho rau txhua qhov kev ntsuas uas ua raws li txoj cai - yog li koj yeej tsis tas yuav kwv yees lossis ntseeg "tej zaum."
- Qhov Tshwm Sim #1: Kev Poob Teeb Liab thiab Kev Sib Txuas Lus Yuam Kev
Cov xov hlau uas tsis ua raws li txoj cai feem ntau ua tsis tau raws li cov kev teeb tsa hluav taws xob tseem ceeb rau kev xa cov teeb liab txhim khu kev qha.
Rooj 2: Cov txiaj ntsig ntawm kev tsis ua raws li cov teeb liab
| EN 50288-7 Cov Kev Ntsuas | Tus Nqi Ib Txwm Tsis Ua Raws Cai | Qhov tshwm sim | Kev Cuam Tshuam Hauv Lub Ntiaj Teb Tiag |
| Kev kam rau siab impedance | ±10-15Ω (piv rau qhov xav tau ±5Ω) | Kev cuam tshuam ntawm lub teeb liab (4-8%) → qhov yuam kev me ntsis, kev puas tsuaj ntawm cov ntaub ntawv | RS485/Modbus lub sijhawm tsis ua haujlwm, CRC yuam kev, kev sib txuas lus tsis tu ncua |
| Kev tsis sib npaug ntawm lub peev xwm | >300 pF/100m (piv rau ≤200 pF/100m) | Kev cuam tshuam ntawm cov teeb liab ntawm cov voj voog analog | 4-20mA nyeem yuam kev ntawm 0.5-2% - kev tswj hwm txheej txheem tsis ruaj khov |
| Kev txo qis | >25-30 dB/km (piv rau ≤20 dB/km) | Txo qhov deb tshaj plaws | Tsis tuaj yeem ua tiav 1,200m RS485 spec; xav tau repeaters |
| Kev tiv thaiv rwb thaiv tsev |
| Kev xau ntawm cov teeb liab, kev sib tham ntawm cov khub | Kev nyeem dab, kev ceeb toom cuav, kev daws teeb meem nyuaj |
Piv txwv li - Txoj hlua RS485 uas tsis ua raws li txoj cai:
| Xwm txheej | Ua raws li (120Ω ± 5Ω) | Tsis Ua Raws Cai (120Ω ± 15Ω) |
| Qhov ntev ntawm cable | 1,000 meters | 1,000 meters |
| Kev cuam tshuam ntawm lub teeb liab |
| 6-8% |
| Qhov yuam kev me ntsis | ⁻⁹ (yeej tsis muaj xoom) | 10⁻⁵ – 10⁻⁴ (yuam kev ntau zaus) |
| Kev ntseeg tau ntawm kev sib txuas lus | 99.999% |
|
| Qhov tshwm sim | Kev tswj hwm txhim khu kev qha | Kev sib txuas lus tsis zoo - cov nroj tsuag chim siab |
Ntawm Dingzun Cable,Peb cov cables ua raws li EN 50288-7 lav 120Ω ± 5Ω impedance, ≤150 pF/100m capacitance, thiab ≤18 dB/km attenuation - tau txheeb xyuas los ntawm cov ntawv qhia kev xeem nrog txhua qhov kev xa khoom.
- Qhov Tshwm Sim #2: Kev Phom Sij Txog Kev Nyab Xeeb Hluav Taws
Cov xov hluav taws xob uas tsis ua raws li txoj cai feem ntau tsis muaj qhov tiv taus hluav taws kom zoo, ua rau muaj qhov teeb meem me me ntawm hluav taws xob ua rau muaj hluav taws kub loj heev.
Rooj 3: Cov Teeb Meem Kev Nyab Xeeb Hluav Taws - Ua Raws Cai vs Tsis Ua Raws Cai
| Qhov Yuav Tsum Tau Ua | Ua raws li Cable | Tsis Ua Raws Cai / Cable Dav Dav | Qhov tshwm sim ntawm Kev Tsis Ua Raws Cai |
| Kev sim nplaim hluav taws xob ib zaug xwb (IEC 60332-1) | Dhau - tus kheej tua hluav taws | Feem ntau ua tsis tiav - txuas ntxiv hlawv | Ib qho teeb meem ntawm cov xov hlau ua rau hluav taws kub mus rau cov khoom siv sib ze |
| Kev sim nplaim hluav taws ntawm cov xov hlau uas tau muab sib txuas ua ke (IEC 60332-3) | Dhau (Qeb C/B/A raws li tau teev tseg) | Tsis tshua muaj kev sim - nplaim taws kis mus rau hauv lub tais | Lub thawv cable ua txoj kev loj hluav taws- tag nrho cov nroj tsuag muaj kev pheej hmoo |
| Kev tso pa luam yeeb (LSZH) | Pa luam yeeb tsawg (IEC 61034) | Cov pa luam yeeb dub tuab ntawm PVC | Cov neeg nyob hauv tsev tsis pom kev kom khiav tawm; ua pa roj lom |
| Cov ntsiab lus halogen (LSZH) | Xoom halogen (IEC 60754) | Cov pa roj chlorine (HCl) los ntawm PVC | Cov pa roj corrosive ua rau cov khoom siv hluav taws xob puas tsuaj; muaj kev phom sij rau kev ua pa |
Qhov Xwm Txheej Hluav Taws Kub Hauv Ntiaj Teb Tiag:
| Kev tshwm sim | Ua raws li (LSZH + IEC 60332-3) | Tsis Ua Raws Cai (PVC, tsis muaj FR) |
| Qhov txhaum arc hauv cable tray | Tua ib kab | Tua ib kab |
| Kev nthuav tawm nplaim taws | Tua nws tus kheej hauv 60 vib nas this | Cov nplaim taws kis mus sai sai rau cov xov hlau sib ze |
| Haus luam yeeb | Tsawg kawg nkaus - pom kev tau tswj hwm | Pa luam dub tuab - tsis pom kev zoo |
| Cov pa roj lom | Tsis muaj (tsis muaj halogen) | HCl roj - corrosive, lom |
| Qhov tshwm sim | Muaj - kev puas tsuaj tsawg kawg nkaus | Hluav taws kub thoob plaws tsob nroj - tej zaum yuav ua rau puas tsuaj tag nrho |
Ntawm Dingzun Cable,peb muab kev tiv thaiv hluav taws kub txog li IEC 60332-3-24 (Cat A) thiab LSZH sheathing rau kev teeb tsa hluav taws kub - nrog rau daim ntawv pov thawj xeem rau txhua qhov kev ntsuas.
- Qhov Tshwm Sim #3: Kev Ua Txhaum Cai thiab Kev Tsis Lees Txais Qhov Project
Cov xov hlau uas tsis ua raws li txoj cai yuav ua rau koj tag nrho txoj haujlwm tsis dhau qhov kev tshuaj xyuas, raug cov neeg siv khoom tsis lees txais, lossis ua rau raug nplua los ntawm cov cai.
Rooj 4: Cov Kev Cai Lij Choj thiab Kev Lag Luam
| Qhov Yuav Tsum Tau Ua | Ua raws li Cable | Cov Cable Tsis Ua Raws Cai | Qhov tshwm sim |
| Daim ntawv pov thawj CE (Tebchaws Europe) | Tshaj tawm nrog EN 50288-7 ua raws li | Tsis muaj daim ntawv pov thawj CE tseeb | Tsis tuaj yeem muag lossis teeb tsa hauv EU kev ua lag luam |
| NEC / CEC (North America) | UL teev npe los yog lees paub | Tsis muaj daim ntawv teev npe - tsis ua raws li txoj cai | Kev kuaj xyuas hluav taws xob tsis ua haujlwm - tsis muaj daim ntawv tso cai nyob |
| Cov lus qhia txog qhov project EPC | EN 50288-7, BS5308, lossis IEC 60092 raws li tau teev tseg | Tsis ua raws li qhov spec - tsis ua raws li qhov xav tau | Cov xov hlau raug tsis lees txais ntawm qhov chaw txais khoom - rov rub dua qeeb |
| Kev pov hwm | Kev teeb tsa ua raws li txoj cai | Tsis ua raws li txoj cai - tus neeg pov hwm yuav tsis lees txais qhov kev thov | Kev thov tsis raug lees paub tom qab hluav taws lossis khoom siv puas tsuaj |
| OSHA / tus neeg soj ntsuam hauv zos | Dhau kev tshuaj xyuas | Kev hais txog - kev txiav txim kom tsis txhob ua haujlwm | Kev nplua, kev ncua sijhawm ntawm qhov project, kev puas tsuaj rau lub koob npe nrov |
Piv txwv txog kev cuam tshuam ntawm tus nqi - Kev tsis lees txais qhov project:
| Khoom | Tus nqi |
| Yuav cov xov hlau uas tsis ua raws li txoj cai (txuag tau 15% piv rau cov uas ua raws li txoj cai) | -$5,000 (kev txuag nyiaj cuav) |
| EPC/tus neeg siv khoom tsis lees txais cov xov hlau | $50,000 (hloov cable nrog tus nqi ceev) |
| Ua haujlwm tshem tawm thiab rub rov qab 10km ntawm cov cable | $80,000 |
| Kev ncua sijhawm ntawm qhov project (2 lub lis piam kev puas tsuaj uas tau them rov qab) | $200,000 |
| Kev puas tsuaj rau lub koob npe nrov nrog tus neeg siv khoom | Tsis muaj nqi |
| Tag nrho tus nqi ntawm kev tsis ua raws li txoj cai | >$330,000 |
Ntawm Dingzun Cable,Peb muab cov ntaub ntawv ua raws li txoj cai tag nrho - EN 50288-7 cov ntawv xeem, CE Daim Ntawv Tshaj Tawm Txog Kev Ua Raws Cai, UL daim ntawv pov thawj, thiab cov ntawv tshaj tawm cov ntaub ntawv - yog li koj qhov project dhau kev tshuaj xyuas thiab kev lees txais ntawm cov neeg siv khoom.
- Qhov Tshwm Sim #4: Tus Nqi Tag Nrho ntawm Kev Muaj Tswv (TCO) Nce Siab
Cov xov hlau uas tsis ua raws li txoj cai pheej yig dua thaum xub thawj tab sis kim dua ntau dua thaum lub sijhawm ua haujlwm ntawm lub Hoobkas.
Rooj 5: 10-Xyoo TCO - Kev Ua Raws Cai piv rau Kev Tsis Ua Raws Cai ntawm Cov Khoom Siv Hluav Taws Xob
| Tus Nqi Tseem Ceeb | Ua raws li Cable (EN 50288-7) | Tsis Ua Raws Cai / Cable Dav Dav | Qhov txawv |
| Tus nqi cable pem hauv ntej (ib 1,000m) | $2,000 | $1,600 (qis dua 20%) | -$400 (kev txuag nyiaj cuav) |
| Kev ua haujlwm teeb tsa | $3,000 | $3,000 | $0 |
| Tus nqi ua tsis tiav (18 lub hlis) |
| 60-80% | — |
| Lub neej kev pab cuam xav tau | 15-25 xyoo | 1-3 xyoos | — |
| Cov voj voog hloov pauv (10 xyoo) | 0-1 × | 3-5 × | — |
| Tus nqi khoom siv hloov (10 xyoo) | $0 – $2,000 | $4,800 – $8,000 | +$4,800 txog +$6,000 |
| Kev ua haujlwm hloov pauv (10 xyoo) | $0 – $3,000 | $9,000 – $15,000 | +$9,000 txog +$12,000 |
| Tus nqi them rau lub sijhawm tsis ua haujlwm (10 xyoo, kwv yees) | $0 – $10,000 | $50,000 – $250,000 | +$50,000 txog +$240,000 |
| Tag Nrho Cov Nqi 10 Xyoo | $5,000 – $17,000 | $65,000 – $274,000 | +$60,000 txog +$257,000 |
Kev suav lej:Kev txuag tau 20% ua ntej ($ 400) rau cov xov hlau uas tsis ua raws li txoj cai ua rau **150-600 × tus nqi tag nrho siab dua** ($ 60,000 - $ 257,000) dhau 10 xyoo vim yog qhov ua tsis tiav, hloov pauv, thiab lub sijhawm tsis ua haujlwm.
Ntawm Dingzun Cable,peb pab cov neeg siv khoom xam TCO rau lawv qhov project tshwj xeeb - cov cable uas ua raws li txoj cai feem ntau yog tus nqi qis dua mus sij hawm ntev.
- Cov Qauv Kev Ua Raws Cai Uas Koj Tsis Muaj Peev Xwm Dhau
Kev nkag siab txog cov qauv twg siv rau koj qhov kev teeb tsa yog thawj kauj ruam rau kev ua raws li txoj cai.
Rooj 6: Cov Qauv Kev Ua Raws Cai ntawm Cov Khoom Siv Hluav Taws Xob Tseem Ceeb
| Tus Qauv | Thaj Chaw | Cov Kev Cai | Qhov tshwm sim ntawm kev hla mus |
| EN 50288-7 | Tebchaws Europe / Thoob Ntiaj Teb | Cov kev teeb tsa hluav taws xob (impedance, capacitance, attenuation, resistance) | Teeb liab yuam kev, kev sib txuas lus tsis ua haujlwm, tsis muaj cim CE |
| IEC 60332-1-2 | Thoob ntiaj teb | Ib txoj hlua hluav taws xob tsis kam | Hluav taws kub kis tau los ntawm ib qho txhaum |
| IEC 60332-3-24/25(Qeb A/B/C) | Thoob ntiaj teb | Cov kab hluav taws kub uas tau muab tso ua ke | Lub thawv cable ua txoj kev loj hluav taws |
| IEC 61034 (LSZH) | Thoob ntiaj teb | Kev tso pa luam yeeb tsawg | Pa luam yeeb lom, tsis pom kev thaum muaj hluav taws |
| IEC 60754 (LSZH) | Thoob ntiaj teb | Tsis muaj roj halogen (tsis muaj roj HCl) | Cov pa roj corrosive ua rau cov khoom siv puas tsuaj, ua rau tib neeg raug mob |
| UL 13 / UL 2250 | Tebchaws Asmeskas Qaum Teb | Cov xov hluav taws xob txwv tsis pub siv hluav taws xob, cov cuab yeej siv | Kev ua txhaum cai ntawm NEC - kev tshuaj xyuas tsis ua tiav |
| UL 1581 VW-1 / FT4 | Tebchaws Asmeskas Qaum Teb | Kev tiv thaiv hluav taws (ib leeg thiab pob khoom) | Kev ua txhaum cai hluav taws |
| Daim Ntawv Pov Thawj CE (LVD) | Tebchaws Europe | Kev ua raws li Cov Lus Qhia Txog Kev Siv Hluav Taws Xob Tsawg | Tsis raug cai muag / teeb tsa hauv EU |
| RoHS / REACH | Tebchaws Europe | Kev txwv cov khoom phom sij | Kev ua txhaum cai ib puag ncig |
Ntawm Dingzun Cable,peb tsim khoom raws li cov qauv no - nrog rau cov ntaub ntawv pov thawj ua raws li txoj cai thiab cov ntawv qhia txog kev sim rau txhua tus. Qhia rau peb paub txog koj lub hom phiaj ua lag luam thiab qhov chaw teeb tsa; peb muab cov xov hlau ua raws li txoj cai.
- Daim Ntawv Teev Xyuas Kev Ua Raws Cai rau Cov Neeg Yuav Khoom Siv Cable
Siv daim ntawv teev cov khoom no thaum yuav cov xov hlau ntsuas kom paub tseeb tias ua raws li txoj cai tag nrho.
| Tshawb xyuas | Khoom | Cov Ntaub Ntawv Thov |
| ☐ | EN 50288-7 ua raws li tau tshaj tawm | Daim ntawv qhia txog cov ntaub ntawv, kev hais nqe |
| ☐ | Daim ntawv qhia txog kev sim impedance (100/120/150Ω ± 5Ω) | Daim ntawv qhia txog kev sim nrog cov nqi ntsuas tiag tiag |
| ☐ | Kev tsis sib npaug ntawm lub peev xwm ≤200 pF / 100m | Daim ntawv qhia txog kev sim |
| ☐ | Kev txo qis ≤20 dB / km @ 1 MHz | Daim ntawv qhia txog kev sim |
| ☐ | Kev tiv thaiv rwb thaiv tsev ≥5,000 MΩ·km | Daim ntawv qhia txog kev sim |
| ☐ | Kev tiv thaiv hluav taws kub (ib zaug xwb) - IEC 60332-1 lossis UL VW-1 | Daim ntawv pov thawj xeem |
| ☐ | Kev tiv thaiv hluav taws kub (ua ke) - IEC 60332-3 Cat __ yog tias xav tau | Daim ntawv pov thawj xeem |
| ☐ | LSZH (yog teev tseg) - IEC 61034 (pa luam yeeb), IEC 60754 (halogen) | Cov ntawv qhia txog kev xeem |
| ☐ | Daim Ntawv Pov Thawj CE thiab Daim Ntawv Tshaj Tawm Txog Kev Ua Raws Cai (rau Tebchaws Europe) | Daim ntawv tshaj tawm |
| ☐ | Daim ntawv teev npe UL (rau North America) yog tias xav tau | Tus lej ntaub ntawv UL |
| ☐ | RoHS / REACH ua raws li | Cov lus tshaj tawm lossis cov ntawv qhia txog kev xeem |
Ntawm Dingzun Cable,Peb muab tag nrho cov ntaub ntawv saum toj no nrog txhua qhov kev xa khoom raws li txoj cai - txuag koj txoj kev ntxhov siab ntawm kev nrhiav cov neeg xa khoom kom tau pov thawj.
Txog Dingzun Cable: Koj Tus Khub Ua Raws Cai ntawm Instrumentation Cable
Nrog20+ xyoo ntawm kev tsim khoom tshwj xeeb,Dingzun Cableyog tus khub koom tes ntseeg siab rau cov tuam txhab tsim kho thoob ntiaj teb, EPCs, thiab cov neeg siv khoom kawg hauv kev lag luam uas xav taucov xov hlau ntsuas uas ua raws li tag nrhonrog cov ntawv qhia txog kev kuaj mob uas tau sau tseg. Peb tsis txiav txim siab txog kev ua raws li txoj cai - vim peb paub qhov tseeb ntawm kev tsis ua raws li txoj cai.
(Dingzun Cable EN 50288-7 ua raws li cov cuab yeej siv hluav taws xob)
Peb Lub Peev Xwm Ua Raws Cai:
| Tus Qauv / Qhov Yuav Tsum Tau Ua | Dingzun Kev Ua Raws Cai |
| EN 50288-7 | √ Kev ua raws li tag nrho - impedance, capacitance, attenuation, resistance |
| Kev kam rau siab impedance | √ 120Ω ± 5Ω (≤4.2% - nruj dua li qhov xav tau) |
| Kev tsis sib npaug ntawm lub peev xwm | √ ≤150 pF / 100m (zoo dua li ≤200 pF / 100m qhov yuav tsum tau ua) |
| Kev txo qis | √ ≤18 dB/km @ 1 MHz (zoo dua ≤20 dB/km) |
| Hluav taws kub retardancy (ib leeg) | √ IEC 60332-1-2, UL VW-1 |
| Kev tiv thaiv hluav taws (ua ke) | √ IEC 60332-3-24/25 (Qeb C, B, A) - xaiv tau |
| LSZH | √ IEC 61034 (pa luam yeeb tsawg), IEC 60754 (xoom halogen) |
| Kev Cim CE | √ Cov Lus Tshaj Tawm Txog Kev Ua Raws Cai tau muab |
| UL / cUL | √ Muaj rau cov haujlwm North American |
| RoHS / REACH | √ Ua raws li txoj cai - cov lus tshaj tawm tau muab |
| BS5308 | √ Muaj rau cov haujlwm roj thiab roj av |
| IEC 60092-502 | √ Muaj rau marine / offshore |
| Kev kuaj xyuas | 100% kev kuaj hluav taws xobntawm txhua lub reel |
| Cov ntaub ntawv pov thawj | Cov ntawv qhia txog kev xeem tag nrhonrog txhua qhov kev xa khoom |
Vim li cas Dingzun Cable rau Koj Cov Kev Xav Tau Cable Instrumentation Ua Raws Cai:
- Ua raws li tag nrho– Tsis yog "tsim los ua kom tau raws li" – peb muab cov ntawv qhia txog kev xeem uas tau txheeb xyuas lawm
- Nruj dua li tus qauv– 120Ω ±5Ω (piv rau ±5Ω xav tau), ≤150 pF/100m (piv rau ≤200 pF/100m)
- Cov ntaub ntawv tiav– Cov ntawv qhia txog kev xeem, cov lus tshaj tawm, thiab cov ntawv pov thawj – txhua yam muab rau koj
- Pab neeg ua haujlwm tsim khoom tshaj lij- Kev tshuaj xyuas kev ua raws cai dawb rau koj cov lus qhia txog qhov project
- Kev hloov kho tau yooj yim heev- Cov khub, cov ntsuas, cov ntaub thaiv, cov tsho loj - txhua yam thaum tswj kev ua raws cai
- Kev sib txuas lus ncaj qha rau cov kws tshaj lij- Cov lus hais sai, cov ntaub ntawv qhia txog kev siv tshuab, kev xa khoom thoob ntiaj teb