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Re: e-watt LED light bulbs - what has been your experience
I use Kill A Watt meters often in my lab, in situations that do not require either (1) accurate data with traceable calibration, or (2) data sampling at a relatively high rate, such as might be required when we observe repetitive or pulsating load conditions. Most electric lighting tests satisfy both of the conditions above. (For tests that do not, we use much more expensive power metering equipment.)
We have not experienced failure of Kill A Watt in our tests. I would certainly use one for demonstrating e-watt light bulb power use.
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Richard Wallace
Mentor since 2011 for FRC 3620 Average Joes (St. Joseph, Michigan)
Mentor 2002-10 for FRC 931 Perpetual Chaos (St. Louis, Missouri)
 since 2003
I believe in intuition and inspiration. Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution. It is, strictly speaking, a real factor in scientific research.
(Cosmic Religion : With Other Opinions and Aphorisms (1931) by Albert Einstein, p. 97)
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