electric hotplates

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electric hotplates

Postby ilanrl » Wed Dec 05, 2012 9:16 pm

tested out my electric hotplate tonight.

its a cheap 2 element portable type thing - this one http://www.productreview.com.au/p/breville-hot-top-2.html

from my calcs on how much vapour its producing - Im only getting out about 300 watts!! not including heat losses from the boiler and column both of which are insulated.

Any one else used something like this?

I know it has a rheostat and before actually using it figured that the max setting would be maximum power
(ie no 'off time') but i can hear the rheostat switching on and off even at full power -- Im guessing this is either a safety measure as the crappy device cant actually safely output 1600 watts or its just a design fault. Im considering just bypassing the rheostat - already have my controller wired up anyway.


thoughts?

lou
ilanrl
 
Posts: 23
Joined: Sun Sep 02, 2012 10:41 am
Location: NSW
equipment: evaporatively cooled VM - in progress

Re: electric hotplates

Postby crow » Sun Dec 30, 2012 2:44 pm

the reviews on this product are pretty bad over 10 min to boil an egg in a small saucepan . My mum has one for emergencies much bigger than this one and its good for keeping things hot but heating something takes ages. would not even entertain the idea of distilling with one
crow
 
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Joined: Tue Mar 13, 2012 1:44 am
Location: Central Highlands Victoria
equipment: ultra pure reflux still and a 4" 4 plate MacStill built copper bubble cap column and a 500mm scoria packed rectifying module


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