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7C-2 Detectarea siguranķelor
EmiŰńtorul se conecteazń la conductorul de fazń ŭi cel de nul (N), receptorul se porneŭte ŭi se declanŭeazń
cńutarea. La aceasta se urmeazń semnalul din sub-distribuitor, vezi Ö gura l. Se ajusteazń sensibilitatea
receptorului ŭi puterea de ieŭire a emiŰńtorului treptat pânń când siguranŰa este localizatń.
În principiu, exactitatea localizńrii siguranŰelor depinde de diferite caracteristici ale instalaŰiei (automate
RCD, tipuri de siguranŰe etc.).
Setare recomandatń la receptor: Mod de detectarea manualń, sensibilitate minimń, vezi Capitolul 5C.
Sfatul 12: La localizarea siguranŰei trebuie sń se acorde atenŰie valorilor de pe aÖ ŭajul de precizie. Valoarea
cea mai ridicatń apare în apropierea siguranŰei cńutate.
Sfatul 13: Receptorul se roteŭte la 90° în jurul axului longitudinal resp. se modiÖ cń poziŰia orizontalń ŭi cea
verticalń pentru a adapta aparatul la diferite siguranŰe automate, care sunt prevńzute cu diferite poziŰii de
montaj ale bobinelor magnetice.
Sfatul 14: Cele mai bune rezultate sunt obŰinute atunci când se mńsoarń dir
ect în conexiuni.
Sfatul 15: Aceastń
mńsurńtoare poate Ö efectuatń ŭi fńrń tensiune. În funcŰie de caracteristicile instalaŰiei,
în anumite circumstanŰe pot Ö obŰinute rezultate fńrń echivoc.
– Mńsurare sub tensiune! RespectaŰi cu stricteŰe indicaŰiile de siguranŰń.
– Capacul tabloului cu siguranŰe poate Ö îndepńrtat numai de cńtre electricieni caliÖ caŰi.
!
l
– În condiŰii de iluminare precarń, iluminarea aÖ ŭajului poate Ö activatń atât la emiŰńtor cât ŭi la receptor,
vezi Capitolul 1.
– Receptorul dispune suplimentar de o lanternń. Aceasta se opreŭte automat dupń 1 minut. Di raŰiuni de
tehnicń a mńsurńrii, nu aprindeŰi sau stingeŰi lanterna la recunoaŭterea tensiunii de reŰea (NCV) în timpul
mńsurńrii.
– Semnalul acustic poate Ö dezactivat de la receptor, vezi Capitolul 1.
8
Alte funcķii ale aparatului
280
RO
Manual_CableTracer-Pro_Rev.0710_RO.indd 280 02.09.2010 11:18:06 Uhr
280


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