[RFI] Aquarium Heater

[dalej]

Years (actually decades ago) ago when I had numerous tanks of exotic tropical fresh water fish, I used Superior tank heaters and never had a problem.  Some of the cheap heaters generate noise when they make and break contact (buzzzzz-it).  I don't know about the newest, how they are made or the design.

73
Dale,k9vuj



On 09, Feb 2011, at 19:42, KD7JYK DM09 wrote:

> :I am considering purchasing an Aquarium and it will need a heater around 
> 225
> : watts.   I've heard (no pun intended) RFI is a known problem with Aquarium
> : heaters.
> 
> Out of curiosity, how much RFI can a piece of nichrome wire produce?
> 
> Kurt
> 
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