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Anti vries meting : Techniek W201

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Alles over de Mercedes W201

Het is nu 02 mei 2025, 18:38

Anti vries meting

Alle techniek (mechanisch, elektronisch) zaken horen hier thuis.

Re: Anti vries meting

Berichtdoor Knuffelbeer » 09 mei 2016, 14:57

Beste bram je maakt een foutje.
Het is meting ipv meeting.
Meeting betekend volgens mij iets anders.
altijd feest als je met een Benz bent weg geweest
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Re: Anti vries meting

Berichtdoor WJ15129 » 09 mei 2016, 17:28

Je moet er zoveel vloeistof in zuigen dat het dobbertje wat erin zit vrij drijft. De bovenkant zowel als de onderkant moet vrij zijn. Als je 100% water zuigt zul je dus minder moeten opzuigen dan wanneer je 100% antivries opzuigt. Antivries is namelijk lichter. Het metertje volgt gewoon de wet van Archimedes: de opwaartse druk op een voorwerp is gelijk aan het gewicht van de verplaatste vloeistof. De dobber die er in zit heet officieel een areometer. en wordt gebruikt om de dichtheid van een vloeistof te meten. Als je een licht en een zware vloeistof mengt krijg je een gemiddelde dichtheid en de maker van de areometer heeft streepjes gezet waar de de vriestemperatuur van het mengsel op staat. Ze hadden er ook voor kunnen kiezen om de verhouding van de beide vloeistoffen aan te geven, maar dan weet je nog het vriespunt niet.
NB wel rechtop houden bij het aflezen :lol: en zorgen dat het goed gemengd is. Waarschijnlijk staat er ook nog een temperatuur bij waarop gemeten moet worden, koud of warm scheelt ook weer in de dichtheid.

Edit antivries is zwaarder dan water (~11%)
Groeten Willem uit Lelystad
WJ15129
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Re: Anti vries meting

Berichtdoor Prometheus » 10 mei 2016, 08:17

Bijlagen
refractometer.jpg
refractometer
refractometer.jpg (41.42 KiB) 1189 keer bekeken

"Weten wat men weet en weten wat men niet weet is en "
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