EN 50288-7 Tus Qauv Piav Qhia: Cov Neeg Yuav Khoom Siv Cable Yuav Tsum Paub Dab Tsi
- Cov Lus Teb Ncaj Qha: EN 50288-7 Txhais Txog Kev Ua Tau Zoo, Tsis Yog Kev Tsim Kho Xwb
Cov neeg ib txwm nug tias:Cov qauv kev cai rau cov xov hlau ntsuas yog dab tsi?
Cov lus teb yooj yim:EN 50288-7 yog tus qauv European uas teev cov qauv nohluav taws xob, tshuab, nplaim taws retardancy, thiab kub yuav tsum taurau cov cuab yeej siv thiab cov cables tswj siv hauv cov txheej txheem tswj kev lag luam.
| EN 50288-7 Npog Dab Tsi | Dab Tsi Nws TSIS PUB PAUB |
| Cov kev teeb tsa hluav taws xob (impedance, capacitance, attenuation, resistance) | Cov ntaub ntawv rwb thaiv tsev tshwj xeeb (hu tawm kev ua tau zoo, tsis yog cov zaub mov txawv) |
| Kev tiv thaiv zoo (kev yuav tsum tau tshuaj ntsuam) | Cov txheej txheem teeb tsa (saib EN 60079-14 rau thaj chaw muaj kev phom sij) |
| Cov khoom siv kho tshuab (qhov khoov vojvoog, tensile, kev cuam tshuam) | Kev suav txog kev xa xov hluav taws xob lossis kev suav sau cov tais |
| Kev tiv thaiv hluav taws kub (IEC 60332-1, xaiv tau IEC 60332-3) | Cov khoom siv conductor (xav tias yog tooj liab, tab sis lub ntsuas tsis tau kho) |
| Qhov ntsuas kub | Qhov ntsuas hluav taws xob (uas suav nrog lwm cov qauv) |
| Kev ua raws li CE cim (tus qauv sib haum xeeb) | Daim ntawv pov thawj thaj chaw muaj kev phom sij (Ex) (saib IEC 60079-11/14) |
Vim li cas EN 50288-7 tseem ceeb rau cov neeg yuav khoom:
- CE cim- EN 50288-7 yog tus qauv sib haum xeeb raws li Low Voltage Directive (LVD) rau kev lag luam European.
- Cov lus qhia txog qhov project– Ntau lub tuam txhab engineering (EPCs) xav tau EN 50288-7 ua raws li cov chaw tsim khoom lag luam (chaw ua roj, tshuaj lom neeg, fais fab, chaw muag tshuaj).
- Kev lav phib xaub rau kev ua tau zoo– Tsis zoo li cov "cable ntsuas hluav taws xob" dav dav, EN 50288-7 muab cov kev ntsuas hluav taws xob uas koj tuaj yeem txheeb xyuas tau.
Ntawm Dingzun Cable,Tag nrho peb cov xov hlau ntsuas tau tsim raws li EN 50288-7 cov kev cai - nrog cov ntawv qhia txog kev xeem rau impedance, capacitance, attenuation, thiab flame retardancy. Peb txhawb nqa koj cov kev xav tau CE cim thiab kev ua raws li qhov project.
- Cov Txheej Txheem Hluav Taws Xob Tseem Ceeb: Impedance, Capacitance, Attenuation
EN 50288-7 qhia txog peb qhov tseem ceeb ntawm hluav taws xob uas cuam tshuam ncaj qha rau kev ua haujlwm ntawm lub teeb liab.
Rooj 1: EN 50288-7 - Cov Lus Qhia Txog Hluav Taws Xob Yuav Tsum Muaj
| Cov Qauv | Lub Cim | EN 50288-7 Qhov Yuav Tsum Tau Ua | Vim Li Cas Nws Tseem Ceeb |
| Yam ntxwv Impedance | NROG₀ | 100Ω, 120Ω, lossis 150Ω ± 5Ω(kev kam rau siab nruj) | Kev tsis sib xws ua rau muaj kev cuam tshuam ntawm lub teeb liab thiab cov ntaub ntawv yuam kev. 120Ω rau RS485; 100-150Ω rau analog |
| Capacitance (tsis sib npaug, khub-rau-khub) | Nrog | ≤200 pF/100m | High capacitance distorts analog teeb liab thiab txwv cable ntev |
| Kev txo qis (ntawm 1 MHz) | ib | ≤20 dB/km(qhov yuav tsum tau ua ib txwm muaj) | Kev txo qis siab dua = qhov deb tshaj plaws luv dua. Tseem ceeb rau kev sib txuas lus digital |
| Tus neeg xyuas pib tsis kam | R | Nyob ntawm qhov ntsuas (piv txwv li, ≤73 Ω/km rau 24 AWG) | Cuam tshuam rau qhov poob hluav taws xob hauv 4-20mA loops. Lub ntsuas tuab dua = cov loops ntev dua |
| Kev tiv thaiv rwb thaiv tsev | THIAB | ≥5,000 MΩ·km(feem ntau ≥10,000 MΩ·km) | IR qis ua rau muaj teeb liab xau thiab sib tham |
| Kev cuam tshuam | L | Feem ntau ≤0.8 mH/km (piv txwv los ntawm cov mis impedance) | Cuam tshuam rau kev ua haujlwm siab zaus thiab lub sijhawm nce teeb liab |
Txhais li cas ± 5Ω Impedance Tolerance rau Koj Lub System:
| Kev kam rau siab impedance | Kev cuam tshuam ntawm qhov cuam tshuam | Qhov Zoo ntawm Lub Teeb Liab | Kev Ua Raws Cai EN 50288-7 |
| ±5Ω (±4.2%) |
| Zoo heev - kev ua tau zoo tag nrho | √ Ua raws li (nqi them ua ntej) |
| ±10Ω (±8.3%) | ~4% kev cuam tshuam | Siv tau rau kev khiav luv luv | X Tsis ua raws li txoj cai |
| ±15Ω (±12.5%) | ~6% kev cuam tshuam | Marginal - tej zaum yuav muaj qhov yuam kev | X Tsis ua raws li txoj cai |
| Tsis tau teev tseg | Tsis paub | Muaj kev pheej hmoo - tsis tuaj yeem lav | X Tsis haum |
(cov xov hlau ntsuas rau RS485: 120Ω±5Ω)
Ntawm Dingzun Cable,Peb cov cables ua raws li EN 50288-7 ua tiav120Ω ± 5Ω(≤4.2% kev kam rau siab) tau txheeb xyuas los ntawm 100% kev sim hluav taws xob - xyuas kom meej tias lub teeb liab muaj kev ncaj ncees rau RS485 thiab cov voj voog analog ntev.
- Cov Kev Cai Siv Tshuab thiab Ib puag ncig
EN 50288-7 kuj qhia txog kev ruaj khov kho tshuab thiab kev haum rau ib puag ncig.
Rooj 2: EN 50288-7 - Cov Lus Qhia Txog Kev Siv Tshuab & Ib puag ncig
| Cov Qauv | EN 50288-7 Qhov Yuav Tsum Tau Ua | Txoj Kev Ntsuas Ib Txwm Muaj | Vim Li Cas Nws Tseem Ceeb |
| Qhov tsawg kawg nkaus ntawm qhov khoov vojvoog (kev teeb tsa ruaj khov) | 7.5 × txoj kab uas hla sab nraud | EN 60811-506 | Tiv thaiv kev qaug zog ntawm tus neeg tsav tsheb thiab kev puas tsuaj ntawm cov rwb thaiv tsev thaum lub sijhawm teeb tsa |
| Qhov tsawg kawg nkaus khoov vojvoog (flexing) | 12-15 × txoj kab uas hla sab nraud (txawv ntawm kev tsim qauv) | EN 60811-506 | Tseem ceeb rau cov kab hlau, cov neeg hlau, cov tshuab txav mus los |
| Qhov ntsuas kub (ruaj khov) | -30°C txog +70°C (yam tsawg kawg nkaus) - siab dua xaiv tau | EN 60811-501 | Yuav tsum muaj sia nyob rau cov xwm txheej ib puag ncig ntawm cov nroj tsuag |
| Kev ntsuas kub (flexing) | -5°C txog +50°C (yam tsawg kawg nkaus) - siab dua xaiv tau | EN 60811-501 | Kev ywj pheej txias rau sab nraum zoov lossis chaw txias |
| Kev tiv thaiv hluav taws (ib txoj hlua) | IEC 60332-1-2(yuav tsum tau ua) | EN 60332-1-2 | Tiv thaiv hluav taws kub kis los ntawm ib qho teeb meem cable |
| Kev tiv thaiv hluav taws (cov cables uas tau muab ua ke) | Xaiv tau - IEC 60332-3-24/25 (Cat C/B/A) | EN 60332-3-24/25 | Yuav tsum tau rau cov tais cable, qhov av, thiab cov chaw teeb tsa uas muaj qhov ceev heev |
| Kev tsis kam roj | Xaiv tau - teev los ntawm tus neeg siv khoom (piv txwv li, EN 60811-404) | EN 60811-404 | Rau cov tshuab, tsheb, lossis cov nroj tsuag tshuaj lom neeg |
| Kev tiv thaiv UV | Xaiv tau - teev rau kev siv sab nraum zoov | ISO 4892-2 | Tiv thaiv kom lub tsho tawg thaum tshav ntuj |
Cov Kev Xaiv Txhim Kho Qhov Kub (saum toj no EN 50288-7 yam tsawg kawg nkaus):
| Kev Txhim Kho Khoom Siv | Kub thiab txias | Daim Ntawv Thov |
| PVC (tus qauv) | -30°C txog +70°C | Cov chaw sab hauv tsev dav dav, cov chaw qhuav |
| XLPE | -40°C txog +90°C | Qhov chaw kub thiab ntub |
| LSZH | -30°C txog +90°C | Kev nyab xeeb hluav taws, qhov chaw kaw |
| PUR lub tsho | -40°C txog +90°C | Roj, puas, sab nraum zoov |
| Silicone | -60°C txog +180°C | Kev ywj pheej siab, txias/kub heev |
| FEP/PFA | -65°C txog +200/260°C | Kub heev, cov chaw tsim tshuaj lom neeg |
Ntawm Dingzun Cable,Peb tsim cov cables ua raws li EN 50288-7 nrog kev ntsuas kub nce siab, txhim kho hluav taws kub (IEC 60332-3 Cat C/B/A), thiab cov ntaub ntawv tsho tiv no (LSZH, PUR, FEP) kom phim koj qhov chaw ib puag ncig tiag tiag - tsis yog tus qauv tsawg kawg nkaus xwb.
(EN 50288-7 daim ntawv teev cov kev ua raws li tus neeg yuav khoom)
- Cov Kev Cai Tiv Thaiv: Kev Ua Haujlwm ntawm Kev Tshuaj Ntsuam Xyuas
EN 50288-7 tsis tau yuam kom muaj hom tiv thaiv tshwj xeeb (ntawv ci piv rau braid), tab sis nws xav tau cov ntaub ntawv pov thawj txog kev tiv thaiv zoo.
Rooj 3: EN 50288-7 - Cov Lus Qhia Txog Kev Tiv Thaiv & Kev Tshuaj Ntsuam Xyuas
| Cov Qauv | EN 50288-7 Qhov Yuav Tsum Tau Ua | Kev Siv Ib Txwm Muaj | Thaum Twg Yuav Siv |
| Kev kuaj xyuas ib khub (xaiv tau) | Tsis tas yuav tsum ua, tab sis yog tias muaj, yuav tsum ua tau raws li qhov txwv ntawm kev hloov pauv impedance | Ntawv ci (100% kev npog) + xaim dej ntws | Cov teeb liab analog tseem ceeb(thermocouple, 4-20mA, RTD) kom tiv thaiv kev sib tshuam |
| Kev tshuaj ntsuam tag nrho (pom zoo rau ntau khub) | Kev hloov pauv impedance thiab coupling attenuation teev tseg | Kev Sib Tw (70-95%)los yogsib xyaw ua ke (ntawv ci + braid) | Feem ntau cov kev teeb tsa hauv kev lag luam - txo cov EMI sab nraud |
| Kev ua haujlwm zoo ntawm kev tshuaj ntsuam (tsis tau teev tus lej hauv tus qauv yooj yim) | Yuav tsum tau tshaj tawm los ntawm tus neeg tsim khoom | Feem ntau >70 dB (sib xyaw >90 dB) | Cov chaw muaj zog EMI siab (VFDs, motors, welders, fais fab nroj tsuag) |
| Cov xov hlau ntws | Yuav tsum muaj rau cov ntawv ci tiv thaiv (kom ua kom tiav) | Tooj liab tinned, tib lub gauge li tus neeg xyuas pib | Ua kom yooj yim rau kev sib txuas hauv av; tseem ceeb rau cov ntaub thaiv npog |
EN 50288-7 Kev Qhia Txog Kev Tiv Thaiv Los Ntawm Daim Ntawv Thov:
| Ib puag ncig ntawm daim ntawv thov | Kev Tiv Thaiv Pom Zoo | Vim li cas |
| EMI qis (chav tswj, chaw ua haujlwm) | Tag nrho cov ntawv ci(tsawg kawg) | Tus nqi tsim nyog, txaus |
| Nruab Nrab EMI (lub Hoobkas dav dav) | Tag nrho cov braid (≥85% kev pab them nqi) | Kev tiv thaiv zoo, kev tiv thaiv zaus qis |
| EMI siab (VFDs, motors, cov kab hluav taws xob) | Composite (ntawv ci + braid) | Kev tiv thaiv dav dav (> 90 dB) |
| Cov teeb liab analog tseem ceeb (tib lub cable nrog digital) | Ib daim ntawv ci rau ib khub + tag nrho cov xov paj | Tiv thaiv kev sib tham ntawm cov khub |
| Cov ntawv thov yooj ywm / dynamic (kab hlau) | Tsuas yog tag nrho cov braid xwb(yooj yim dua li ntawv ci) | Cov xov paj rwb tiv taus kev khoov rov qab ntau zaus |
Ntawm Dingzun Cable,tag nrho peb cov EN 50288-7 ntau khub instrumentation cables suav nrogKev tshuaj ntsuam xyuas tus kheej ntawm txhua khubntxiv rau ib qhotag nrho cov hlau tooj liab (≥85%)raws li tus qauv - xa kev tiv thaiv kev sib txuas lus zoo tshaj plaws thiab kev tiv thaiv EMI. Rau qhov EMI hnyav heev, peb muab cov ntaub thaiv tag nrho (ntawv ci + braid) nrog cov ntaub ntawv pov thawj >90 dB zoo.
- Daim Ntawv Teev Xyuas Kev Ua Raws Cai EN 50288-7 rau Cov Neeg Yuav Khoom
Siv daim ntawv teev cov khoom no thaum yuav cov xov hlau ntsuas kom paub tseeb tias ua raws li EN 50288-7.
Rooj 4: EN 50288-7 Daim Ntawv Teev Cov Kev Ua Raws Cai ntawm Tus Neeg Yuav Khoom
| Qhov Yuav Tsum Tau Ua | Yuav Tsum Xyuas Kom Tseeb Li Cas | Cov Ntaub Ntawv Ib Txwm Muaj | Kev Ua Raws Cai ntawm Dingzun Cable |
| Tus cwj pwm impedance | 100Ω, 120Ω, lossis 150Ω ± 5Ω | Daim ntawv qhia txog kev xeem (impedance vs zaus) | √ 120Ω ± 5Ω (≤4.2% kev kam rau siab) |
| Kev tsis sib npaug ntawm lub peev xwm | ≤200 pF/100m | Daim ntawv qhia txog kev sim | √ ≤150 pF/100m |
| Kev txo qis | ≤20 dB/km @ 1 MHz | Daim ntawv qhia txog kev sim | √ ≤18 dB/km @ 1 MHz |
| Tus neeg xyuas pib tsis kam | Ib qho ntsuas (piv txwv li, ≤73 Ω/km rau 24 AWG) | Daim ntawv qhia txog kev sim | √ Tau txheeb xyuas ib qho ntsuas |
| Kev tiv thaiv rwb thaiv tsev | ≥5,000 MΩ·km | Daim ntawv qhia txog kev sim | √ ≥10,000 MΩ·km |
| Hluav taws kub retardancy (ib leeg) | IEC 60332-1-2 | Daim ntawv pov thawj xeem | √ Ua raws li txoj cai |
| Kev tiv thaiv hluav taws (ua ke) | IEC 60332-3-24/25 (Cat C/B/A) - yog tias tau teev tseg | Daim ntawv pov thawj xeem | √ Xaiv tau (Qeb C, B, A muaj) |
| Qhov ntsuas kub | Raws li tau teev tseg (-30 ° C txog + 70 ° C yam tsawg kawg nkaus) | Daim Ntawv Teev Cov Ntaub Ntawv | √ -40 ° C txog + 90 ° C (txhim kho) |
| Lub vojvoog khoov | 7.5 × OD (ruaj khov) | Daim Ntawv Teev Cov Ntaub Ntawv | √ Ua raws li txoj cai |
| CE cim | Tau tshaj tawm los ntawm tus neeg tsim khoom | Kev Tshaj Tawm Txog Kev Ua Raws Cai | √ Muab |
| EN 50288-7 tau tshaj tawm | Chaw tsim khoom hais tias ua raws li cov ntaub ntawv qhia | Daim ntawv qhia txog cov ntaub ntawv, kev hais nqe | √ Tau hais meej meej |
Cov Cim Liab (Cov Cim Qhia Txog Kev Tsis Ua Raws Cai):
| Chij Liab | Vim Li Cas Nws Thiaj Yog Ib Qho Teeb Meem |
| Tus neeg muag khoom tsis tuaj yeem muab cov ntawv qhia txog kev sim impedance lossis capacitance | Tsis tuaj yeem txheeb xyuas qhov ua raws li EN 50288-7 |
| Kev kam rau siab impedance tau hais tias yog ± 10Ω lossis ± 15% | Tsis ua tau raws li qhov yuav tsum tau ua ± 5Ω; tej zaum yuav muaj kev cuam tshuam |
| Tsis muaj tus nqi capacitance unbalance muab | Tsis tuaj yeem xam qhov deb nyab xeeb rau IS circuits |
| "Ua raws li EN 50288-7" tab sis tsis muaj pov thawj sim | Kev thov tsis muaj pov thawj - thov cov ntawv qhia kev xeem |
| Tsuas yog kev sim nplaim hluav taws ib txoj hlua xwb, tab sis kev teeb tsa tau muab ua ke | Tej zaum yuav tsis ua raws li cov cai kev nyab xeeb hluav taws rau cov tais cable |
Ntawm Dingzun Cable,peb muabCov ntaub ntawv xeem EN 50288-7 tag nrhonrog txhua qhov kev xa khoom - suav nrog impedance, capacitance, attenuation, resistance, thiab flame test reports. Peb cov ntaub ntawv qhia meej meej hais txog EN 50288-7 ua raws li. Tsis muaj kev thov yam tsis muaj pov thawj.
- EN 50288-7 piv rau lwm cov qauv Cable Instrumentation
Cov neeg yuav khoom feem ntau ntsib ntau tus qauv. Kev nkag siab txog qhov sib txawv pab kom tsis txhob muaj kev tsis meej pem.
Rooj 5: EN 50288-7 piv rau Lwm Cov Qauv Ntsuas
| Tus Qauv | Thaj Chaw | Kev tsom xam | Cov Kev Txawv Tseem Ceeb los ntawm EN 50288-7 |
| EN 50288-7 | Tebchaws Europe (CENELEC) | Hluav taws xob + tshuab + nplaim taws rau kev tswj hwm kev lag luam | Baseline - sib haum xeeb rau CE cim |
| IEC 60092-502 | Thoob ntiaj teb | Cov cuab yeej siv hauv dej hiav txwv thiab ntug dej hiav txwv | Ntxiv cov kev cai tshwj xeeb rau kev siv hauv dej hiav txwv: tshuaj tsuag ntsev, kev co, kev tiv thaiv dej |
| BS5308 | UK (laus lawm, tseem siv) | Cov cuab yeej siv roj thiab roj av | Ntxiv cov khoom siv kho tshuab (SWA armor), feem ntau xav tau thaj chaw txaus ntshai (xiav) sheath |
| IEEE 1580 | Thoob ntiaj teb | Cov cables marine thiab offshore | Zoo ib yam li IEC 60092-502; North American tsom mus rau |
| 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 ntsuas nplaim taws sib txawv (VW-1, CMR, CMP); impedance tsis tas li teev tseg |
| NEC / CEC | Tebchaws Asmeskas Qaum Teb | Cov lej teeb tsa (tsis yog cov qauv khoom) | Cov ntaub ntawv siv rau UL cov qauv rau kev tsim kho cable |
Koj Yuav Tsum Qhia Txog Tus Qauv Twg?
| Qhov Chaw Ua Haujlwm / Kev Lag Luam | Tus Qauv Tseem Ceeb | Qib Thib Ob / Ntxiv |
| Tebchaws Europe (kev lag luam dav dav) | EN 50288-7 | Yuav tsum muaj daim ntawv cim CE |
| UK Roj thiab Roj Av | BS5308(feem ntau nrog EN 50288-7 cov kev cai hluav taws xob) | Thaj chaw muaj kev phom sij (ATEX/IECEx) |
| Offshore / Marine | IEC 60092-502los yogIEEE 1580 | EN 50288-7 tej zaum yuav raug siv rau cov khoom siv hluav taws xob |
| North America (kev lag luam dav dav) | UL 13 / UL 2250 | Kuj tseem yuav thov EN 50288-7 rau cov kev teeb tsa hluav taws xob |
| Thoob Ntiaj Teb (EPC project - piv txwv li, Shell, Total) | EN 50288-7los yogIEC 60092-502(nyob ntawm seb lub sector twg) | Feem ntau ua ke nrog cov kev xav tau tshwj xeeb ntawm qhov project |
Ntawm Dingzun Cable,Peb tsim cov xov hlau ntsuas raws li EN 50288-7, BS5308, thiab IEC 60092-502 cov qauv - nrog rau txhua cov ntaub ntawv xeem. Peb pab neeg ua haujlwm engineering pab koj txhais cov qauv uas koj qhov project xav tau tiag tiag.
- Cim CE: Vim li cas EN 50288-7 tseem ceeb rau Kev Lag Luam European
EN 50288-7 yog ib qhotus qauv sib haum xeebraws li EU Cov Lus Qhia Tsawg Voltage (LVD) 2014/35/EU.
Txhais tau tias Harmonized:
- Kev ua raws li EN 50288-7 muab ib qhokev xav tias ua raws li txoj cainrog LVD.
- Cov khoom tuaj yeem dais tau covCE cimrau kev nyab xeeb hluav taws xob.
- Yuav tsum muaj rau kev tso cov xov hlau ntsuas rau hauv kev lag luam European.
Cov Kev Cai rau Kev Cim CE rau Cov Cables Instrumentation:
| Qhov Yuav Tsum Tau Ua | EN 50288-7 Pab Tau Li Cas |
| Kev nyab xeeb hluav taws xob (kev rwb thaiv tsev, qhov hluav taws xob tiv taus) | EN 50288-7 suav nrog kev ntsuas kev tiv thaiv rwb thaiv tsev thiab dielectric |
| Kev tiv thaiv hluav taws | EN 50288-7 yuam kom IEC 60332-1-2 (ib txoj hlua) |
| Cov lus tshaj tawm ntawm Chaw Tsim Khoom | Kev ua raws li EN 50288-7 txhawb nqa Cov Ntaub Ntawv Txuj Ci |
| Kev koom tes ntawm lub cev raug ceeb toom (feem ntau tsis tas yuav muaj rau cov cables tshwj tsis yog tias muaj kev tsim kho tshwj xeeb) | Tsis tas yuav tsum tau - kev tshaj tawm tus kheej raws li EN 50288-7 |
Rau cov neeg yuav khoom:
- Yog tias koj xa khoom mus rau Tebchaws Europe lossis siv cov khoom siv los ntawm Tebchaws Europe,qhia meej EN 50288-7kom ntseeg tau tias ua raws li CE.
- Thov kom tauKev Tshaj Tawm Txog Kev Ua Raws Caithiab cov ntawv qhia kev xeem los ntawm koj tus neeg muab khoom cable.
Ntawm Dingzun Cable,tag nrho peb cov xov hlau EN 50288-7 uas ua raws li cov qauv suav nrog CE cim thiab Daim Ntawv Tshaj Tawm Txog Kev Ua Raws Cai - txhawb nqa koj txoj kev ua raws li txoj cai rau cov haujlwm European.
Txog Dingzun Cable: Koj Tus Khub EN 50288-7 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 raws li EN 50288-7nrog cov ntaub ntawv pov thawj tag nrho. Peb muab kev txawj ntse tob tob ua ke nrogkev hloov kho tau yooj yim heevkom xa cov cables uas ua tau raws li koj qhov project specification - tsis yog qhov tsawg kawg nkaus xwb.
(Dingzun Cable EN 50288-7 instrumentation cable)
Peb cov peev xwm ntawm EN 50288-7 Instrumentation Cable:
| Muaj peev xwm | Cov Lus Qhia Tshwj Xeeb ntawm Dingzun |
| Kev ua raws li hluav taws xob | 120Ω ± 5Ω (≤4.2% kev kam rau siab), ≤150 pF/100m (capacitance tsis sib npaug), ≤18 dB/km attenuation |
| Cov kev xaiv impedance | 100Ω, 120Ω, 150Ω - tag nrho ± 5Ω |
| suav cov khub | 1 txog 100+ khub |
| Lub ntsuas hluav taws xob | 18AWG txog 24AWG |
| Kev rwb thaiv tsev | PE (qis capacitance, tus qauv), XLPE (kub hloov kho dua tshiab), PVC |
| Kev tiv thaiv | Ib daim ntawv ci (ib khub) + tag nrho cov hlau tooj liab (≥85%) - tus qauv; sib xyaw xaiv tau |
| Kev tiv thaiv hluav taws | IEC 60332-1-2 (tus qauv); IEC 60332-3-24/25 Cat C/B/A (yeem xaiv tau) |
| Cov ntaub ntawv tsho | PVC, LSZH, PUR, (tsis muaj halogen, roj-resistant, UV-stabilized raws li xav tau) |
| Qhov ntsuas kub | -40°C txog +90°C (tus qauv, txhim kho dua EN 50288-7 yam tsawg kawg nkaus) |
| Tshuab | Qhov khoov vojvoog 7.5 × OD (ruaj khov), lub zog tensile ib qho EN 60811 |
| CE cim | Muab nrog Daim Ntawv Tshaj Tawm Txog Kev Ua Raws Cai |
| Cov ntaub ntawv pov thawj sim | Cov ntawv qhia txog kev xeem tag nrho(impedance, capacitance, attenuation, tsis kam, nplaim taws) nrog txhua qhov kev xa khoom |
| Cov Ntawv Pov Thawj | ISO 9001: 2015, CE, RoHS, REACH |
Vim li cas Dingzun Cable rau Koj Cov Kev Xav Tau EN 50288-7 Instrumentation Cable:
- Kev ua raws li qhov tseeb– Tsis yog tsuas yog "tsim los ua kom tau raws li" xwb – peb muab cov ntawv qhia txog kev xeem uas tau txheeb xyuas lawm
- Cov ntaub ntawv hluav taws xob tiav- Cov ntaub ntawv qhia txog impedance, capacitance, attenuation, thiab resistance
- Kev ua tau zoo dua- Kev kam rau siab dua (120Ω ± 5Ω), qis dua capacitance (≤150 pF / 100m) dua li tus qauv xav tau
- Kev hloov kho tau yooj yim heev- Khub, ntsuas, tiv thaiv, lub tsho loj, riam phom - ua tiav tag nrho
- Pab neeg ua haujlwm tsim khoom tshaj lij– Kev sab laj pub dawb txog kev txhais lus EN 50288-7 thiab cov kev cai ntawm qhov project
- 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