# Need to find wattage on my older kenmore microwave

Bought it new in 1980's,don't know wattage .sears kenmore microwave o ven. stock #88347. mod. # 721.8834780 ser. # 70805017

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• Anonymous Apr 13, 2009

need wattage of a kenmore solid state microwave bought sometime in the mid-late 80's!

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SOURCE: have an older gaffers and

Check the manufacturer plate label on your microwave. It may be written like this- KW usually beside the Manufacturer model number.

You could also do a little calculation by checking the voltage and ampage readings. multiply them is going to give you wattage.

Posted on Jul 24, 2008

SOURCE: microwave frequency

The frequency has to do directly with the the wave a microwave oven omitts. Frequency is a measure of the number of occurrences of a repeating event per unit time. Usually microwaves run at a frequency of 2.54 Ghz, a wave length of 12.34 CM.

Posted on Jul 25, 2008

I also bombed out on locating a downloadable manual but the hardcopy is available on eBay here:

http://cgi.ebay.ca/Emerson-Microwave-Oven-MW8778W-S-D-B-Owners-Manual-7_W0QQitemZ320281595945QQihZ011QQcategoryZ159903QQrdZ1QQssPageNameZWD1VQQcmdZViewItem

The efficiency of microwave oven is ~ 65% so if you will check the back of your unit for the AC line (input power) consumed, you can easily calculate the usable 'cooking' power available.

i.e. If the label states: 115 VAC 10 Amp(eres), this would amount to 10 X 115 = 1150 X .65 = ~ 740 watts delivered to the food.

The magnetrons do age (if not fail first) and their emissions fall with progressive use so a 10 year-old oven won't still give you that ~65% but substantially less.

Posted on Sep 05, 2008

I still have a orginal lable on my microwave, it is a 800 watt oven.

Posted on May 13, 2009

From everything I have read it is a 1100w inverter, I am having the same problem.

Posted on Jun 09, 2009

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