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Cabluri Kelvin


djvas

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Vreau sa achizitionez cabluri Kelvin pentru multimetrul 34401. Cele originale (model 11059 ) sunt aproape 200USD. Mi se pare un pret destul de piperat pentru buzunarul si nevoile mele, asha ca doresc o alternativa mult mai ieftina. Am gasit asha ceva http://www.ebay.com/itm/UNI-T-Kelvin-Multimeter-Leads-Probes-Clip-Meter-Test-Line-Cable-for-UT612-UT611-/291537873792?hash=item43e102eb80:g:KCQAAOSwHnFVywGM .

 

Ce parere aveti stimati colegi ? Voi ce modele de Kelvin folositi ?

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Personal ... folosesc Kelvin doar la puntile RLC ... Intr - adevar , scumpe ... La punte , e determinanta si capacitatea reziduala ... altfel nu se calibreaza " cutiuta " . La multimetru , e doar o problema de rezistenta intrinseca , se " elimina " usor ... cred ca ar merge folosit modelul mai ieftin . Probabil executia ( si calitatea ... ) e mai " lejera "... dar poate fi acoperitoare la ce aveti nevoie . 

 

https://www.conrad.at/de/motech-4-draht-kelvin-klemmen-tl08c-passend-fuer-lcr-handmessgeraet-mt-4080-a-12-13-07-121397.html ... cablul ...

 

http://easyvaninsurance.com/tools/product/Motech-MT-4080A-LCR-measurement.html ... si puntea ...

 

Per ansamblu , m - au cam secat la portofel ... ( preturi fara taxe ) .

Edited by gauss
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  • 2 months later...

Au ajuns cablurile ....

Prima impresie .... Calitate decenta dar cam scurte (aprox 0.5 m)

Ajuns la multimetru, conectat, dat in 4W ....... FAIL :nerv

Investigat cu ohmetru ... concluzie .... Cabluri doar ecranate NU kelvin. Deci inutile pentru masurare in patru fire. Trebuiesc desfacute si modificate.

Deci mare atentie la neatentie atunci cand comandati de pe ebay de la chinezi.

post-174634-0-92125800-1453760611_thumb.jpg

Edited by djvas
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