Ɔpɛpɔn da 12, afe 2020
Nhama ne nneɛma a ɛde nsɛm ne tumi fa honam fam. Cable a wɔansɔ anhwɛ kyerɛ sɛ wunnim sɛ ɛyɛ adwuma, baabi a ebetumi akɔ, sɛ ebia abubuw bi wɔ mfinimfini, anaasɛ sɛ signal attenuation wɔ anohyeto a wogye tom mu.
Nhama ne nneɛma a ɛde nsɛm ne tumi fa honam fam. Cable a wɔansɔ anhwɛ kyerɛ sɛ wunnim sɛ ɛyɛ adwuma, baabi a ebetumi akɔ, sɛ ebia abubuw bi wɔ mfinimfini, anaasɛ sɛ signal attenuation wɔ anohyeto a wogye tom mu. Wɔ cabling engineering mu no, cable sɔhwɛ nyɛ ‘anamɔn foforo’ — ɛyɛ ɔkwan a etwa to a wɔde bɔ wɔn ho ban ma delivery quality.
Adwene a ɛnteɛ a wɔtaa nya ne sɛ wɔsɔ nhama foforo hwɛ wɔ adwumayɛbea hɔ na enhia sɛ wɔsɔ hwɛ bio. Nokwarem no, nhama betumi asɛe bere a wɔde rekɔ, wɔkora so, wɔde si hɔ, na wɔrewie — bend radius a ɛboro so, tumi a ɛtwetwe, scrapes fi anoano a ɛyɛ nnam, oxidation wɔ connectors — ne nyinaa betumi asɛe cable adwumayɛ komm. Edu bere a obi a ɔde di dwuma bɛbɔ amanneɛ sɛ ‘network no kɔ so brɛ ase’ anaasɛ ‘saa outlet yi nni tumi biara’ no, ɛtaa yɛ den sɛ wobehu nea ɛde ba no ntini afi ne fibea.
Nsɔhwɛ a ɛkɔ so yɛ ade titiriw wɔ nhama sɔhwɛ mu ne anammɔn a ɛyɛ ahyɛde wɔ nhama biara a wɔagyae akyi. Nnyinasosɛm no yɛ tiawa: fa anyinam ahoɔden sɛnkyerɛnne bi hyɛ nhama no ano biako na hu no wɔ ɔfã foforo. Sɛ wɔannye a, ahomegye wɔ mfinimfini.
Nanso ɛnyɛ den dodo sɛ wɔbɛpow sɔhwɛ a wɔde kɔ so no — nnipa pii susuw sɛ ‘bere tenten a ɛkɔ so no, eye.’ Nokwarem no, sɔhwɛ a wɔde kɔ so yɛ nhwehwɛmu no fã a edi kan ara kwa. Ebia nhama a ɛde nsɛm kɔ no da so ara ntumi mfa data nkɔma wɔ ɔkwan a wɔahyɛ da ayɛ no so. Sɛ nhama mmienu a ɛwɔ twisted-pair cable mu no twist rate no sɛe, anaasɛ crosstalk a ɛwɔ pairs ntam no yɛ kɛseɛ dodo a, ebia gigabit Ethernet rentumi nyɛ adwuma yie mpo sɛ ɛkɔ so daa. Eyi nti na sɔhwɛ foforo ho hia bere a wɔahwɛ sɛ nneɛma kɔ so yɛ nokware akyi no.
Cable tenten susuw te sɛ nɔma biako, nanso ɛkura nsɛm pii sen sɛnea ebia wubesusuw. Nea edi kan no, tenten data fa nneɛma akontaabu ho tẽẽ — nim a wunim mita dodow a wɔde sii hɔ ankasa no ma wubu nhama a wɔde di dwuma no ho akontaa pɛpɛɛpɛ na wokwati sɛ wobɛtɔ boro so anaasɛ wobɛtɔ ade yiye. Nea ɛto so abien no, ne tenten susuw betumi aboa ma wɔahu baabi a abubu: sɛ nhama a wɔayɛ sɛ ne tenten yɛ mita 100 no susuw mita 70 pɛ a, ebia abubu bɛba bɛyɛ mita 30 fi mfiase.
Nnɛyi cable hwehwɛfo taa de TDR (Time Domain Reflectometry) nnyinasosɛm di dwuma de susuw tenten: adwinnade no de pulse signal kɔ cable no so, susuw bere nsonsonoe a ɛda transmission ne reflection ntam, na ebu kwan a ɛda break anaa awiei no ho akontaa. Saa kwan yi nhia sɛ wobɛkɔ nhama no ano foforo, na ɛtew bere a wɔde siesie ɔhaw ahorow no so kɛse. Wɔ FangService cable sɔhwɛ mfiri line mu no, PK652 series yɛ multifunction finder a ɛwɔ tenten susuw, a ɛtumi susuw bɛyɛ mita 600.
Ansa na adwumayɛfoɔ sɔhwɛ nnwinnadeɛ wɔ hɔ no, na cable mfomsoɔ a wɔsiesie no gyina osuahu so — ɔfa biara排查, aniwa a wɔde hwɛ, ne ɔkwan a wɔfa so de si ananmu. Ná saa kwan yi nyɛ adwuma yiye koraa, titiriw wɔ nnwuma a wɔde asie te sɛ nhama a wɔde fa ɔfasu mu anaa nsu a wɔde fa asase ase mu. Sɛ nhama bi di huammɔ pɛ a, ɛka a wɔbɔ wɔ ɔhaw no a wobehu ho no betumi aboro ɛka a wɔbɔ wɔ nhama no a wɔbɛsan atwe ho.
Nnɛyi mfiridwuma a wɔde hwehwɛ nneɛma mu asesa saa tebea yi. Ɛdenam frequency signal pɔtee bi a wɔde bɛhyɛ cable no mu so no, receiver probe no betumi ahwehwɛ signal ahoɔden wɔ cable no ho. Beae a sɛnkyerɛnne no twa mpofirim anaasɛ ɛyɛ mmerɛw kɛse ne baabi a ahomegye no wɔ. FangService no cable sɔhwɛ line no kata analog ne digital modes nyinaa so — PK651 series no yɛ analog/digital finder, PK659 series no yɛ multifunction finder, PK653+ series no boa 100M/300M/400M ranges, na PK652 series no de tenten susudua ka ho. Nhwɛsoɔ anan no ka ahiadeɛ a ɛdi mũ no ho dwuma firi mfitiaseɛ nkɔsoɔ ho adansedie so kɔsi mfomsoɔ beaeɛ a ɛkɔ anim.
Ɛkame ayɛ sɛ ɛka a wɔbɔ wɔ nnwinnade a wɔde sɔ nhama hwɛ ho no sua koraa sɛ wɔde toto adehwere a esiw ano no ho a. Ɔfese dan mu nhama adwuma a ɛyɛ mfinimfini betumi afa nhama ɔhaha pii ho — sɛ nhama biara a wɔbɛsɔ ahwɛ no gye yuan kakraa bi, bere a nhama mfomso a wonhu a wobehu wɔ adwuma no a wɔde ama akyi no betumi agye mpempem anaa mpempem pii wɔ ɔhaw ahorow a wosiesie ne nsiesie mu a, sikasɛm mu mfaso a ɛwɔ sɔhwɛ so no da adi.
Nea ɛho hia kɛse no, sɔhwɛ data ankasa wɔ mfaso a ɛtra hɔ kyɛ. Wobetumi asusuw nhama a wɔde tenten a wɔakyerɛw ato hɔ, sɛnea ɛkɔ so, ne nea ɛma ɛyɛ mmerɛw no ho ntɛm ara bere a wɔresiesie no daakye: ‘so na nhama yi ye bere a wɔde kɔmaa no?’. anaasɛ ‘so na saa nhama yi wɔ ɔhaw ahorow dedaw?’ Sɛ yɛbɛka a, nhama a wɔansɔ anhwɛ no yɛ nnaka tuntum bere a wɔresiesie no. FangService cable sɔhwɛ kwan no de paw a edi mũ ma fi mfitiase kosi nea ɛkɔ anim, ɛboa mfiridwuma akuw ma wɔde sɔhwɛ gyinapɛn ahorow si hɔ fi adwuma bi mfiase, sen sɛ wɔbɛpere wɔn ho asiesie ɔhaw ahorow bere a aba akyi. View the Cable Test Instruments Collection
Ka wo project scenario ne ahwehwɛdeɛ kyerɛ yɛn, na yɛbɛma ano aduru a ɛfata no ahyia na yɛde quote ama wɔ nnɔnhwereɛ 24 ntam.
Nya Quote a Wɔde Ma KwaPK651 analog/digital cable finder, PK652 finder with length measurement, PK653+ multi-range finder (100M/300M/400M), PK659 multifunction finder — four series covering the complete needs from basic continuity verification to advanced fault location. High-precision identification, up to 600M length measurement, rapid fault location — designed for installation and maintenance of network, telephone, and electrical cabling systems.
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