Re: Water kettle energy consumption logging

Wu Ming <[email protected] > wrote:
> Hello,
> 
> I want to log energy consumption of a water kettle. On 24x7 and used
> through the year. Minimum resolution should be 10 seconds. I don’t really
> need absolute values. Only want to know if lowering temperature for a
> period is efficient.
 
Water kettles seem pretty close to 100% efficient at turning electical 
energy to heat. Are you trying to measure heat losses to the environment? 
> 
> Energy necessary to heat water is easy to find. On Wolfram Alpha as
> example. Unknown is the initial temperature. I do have a temperature sensor
> accurate in the 30°-99°C  range. 
> 
> Another option is a smart plug. But adds friction through proprietary
> interfaces. Also found a scientific article casting doubts about accuracy
> of consumer devices.
> 
> Many articles in scientific literature consider water kettles energy
> consumption. As example “Life cycle environmental evaluation of kettles:
> Recommendations for the development of eco-design regulations in the
> European Union”. Scanning them haven’t found what I need. 
 
A more detailed description of your experiment would help this reader.
I'm presently baffled as to your intent.

bob prohaska

 
> 
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