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GMC INSTRUMENTS NEDERLAND B.V. 22
Waarschuwing spanning!
Meting van de vervangende lekstroom
De test wordt uitgevoerd met maximaal 250 V, hoewel
de stroom beperkt is (I <3,5 mA), zal bij het aanraken
van de klemmen een elektrische schok voelbaar zijn,
wat kan leiden tot gevolgschade.
METRALINE PAT NEN3140 tester
10.3 IEA—Vervangende lekstroommeting
Algemeen
De meting van de vervangende lekstroom wordt voorgeschre-
ven in NEN3140:2018 na het doorstaan van de isolatietest.
Let op!
De vervangende lekstroommeting mag alleen worden
uitgevoerd nadat de isolatieweerstandstest is
geslaagd.
Let op!
De vervangende lekstroommeting biedt geen goede
test wanneer er geen normale/echteaan/uit scha
kelaar aanwezig, omdat de circuits erachter niet door
deze meting worden getest. Bovendien kunnen de
lekstromen die worden gegenereerd door converters
niet worden gemeten. Daarom heeft actief testen
meestal de voorkeur boven deze meting.
22


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