De or het lastransformator?

The correct Dutch article is:

de lastransformator

Meaning (Dutch) (elektrotechniek) transformator waarmee men bij het lassen spanning en stroom kan regelen

How to use lastransformator

the lastransformatorde lastransformator
this lastransformatordeze lastransformator
that lastransformatordie lastransformator
our lastransformatoronze lastransformator
your lastransformatorjouw lastransformator
every lastransformatorelke lastransformator
which lastransformator?welke lastransformator?
a big lastransformator / the big lastransformatoreen grote lastransformator, de grote lastransformator

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).