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Elma BM869 side 12
Kapacitans og diode testfunktioner
For model Elma BM869: Drej omskifteren til (se nedenstående figur). Tryk på
SELECT knappen for at vælge funktioner – enten spænding eller gennemgang. Sidste
valgte funktion vil blive husket i hukommelsen.
Note!
Aflad altid kondensatorer før der foretages målinger. Et stort antal af kondensatorer skal
altid aflades gennem en passende størrelse modstand.
Normalt spændingsfald (forudindtaget) for en god silikone diode ligger imellem 0,4 til 0,9V.
En aflæsning højere end denne værdi kan indikere, at dioden er defekt. En nul aflæsning
kan indikere en kortsluttet diode. En ”OL” visning i displayet indikerer en åben diode. Byt
rundt på testledningsforbindelserne gennem dioden. Det digitale display viser ”OL”, hvis
dioden er OK. Alle andre displayvisninger indikerer, at dioden enten er resistiv eller
kortsluttet.
12


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