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Anonymous Poster

heater wattage

12/23/2008 7:19 AM

how to ascertain heater wattage be it tubular or flat. Vendors usually stamp the rating on the outer side but how to cross check the accuracy.

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TVP45
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Join Date: Jul 2007
Posts: 4448
Good Answers: 143
#1

Re: heater wattage

12/23/2008 7:27 AM

Heaters are almost completely resistive, so you have only to measure the rms Voltage and current after the temperature is stable under approximate realistic operating conditions. Then just multiply V*I.

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