My non contact IR thermometer from HF does that,
fails to shut off. Money wasted.
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Christopher A. Young
Learn more about Jesus
www.lds.org
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"gregz" wrote in message ...

I bought a cheap one from home depot. I don't think it ever shut off.
Battery went dead. I got a fluke works well. I could also use my harbor
freight static receiver. Around $15 when I bought mine. You can trace
wiring. Does not indicate voltage, and will also sound noise on ground.

Greg