David 
 
Ebay sells that type and the brand name is Omron.  I think less than $100.  It 
can run on batteries i think.
 
Jane, and company,
 
Those of you that take rice bran oil, do you know how that is processed?  Most 
of them are hydrogenated oil.  I will not touch hydrogenated oils ... they clog 
arteries.
 
Melly