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Richard · 2nd May 2021, 7:29 pm

Hi

The original test was: -

1L of water in a plastic jug, measure temp in 'C, heat in microwave on full power for 1min 3 seconds (the 3 seconds is to allow the Magnetron to cut in), give it a stir and measure temp again. 'C rise x 70 = power in Watts.

Newer ovens they moved the posts, now rated according to IEC 705.
Add 15% to get the EEC version of power in Watts.

Richard

2nd May 2021, 7:29 pm	#37
Richard Heptode Join Date: Feb 2003 Location: Garnant, near Ammanford, South Wales, UK. Posts: 657	Re: 32 year old Sharp microwave oven... Hi The original test was: - 1L of water in a plastic jug, measure temp in 'C, heat in microwave on full power for 1min 3 seconds (the 3 seconds is to allow the Magnetron to cut in), give it a stir and measure temp again. 'C rise x 70 = power in Watts. Newer ovens they moved the posts, now rated according to IEC 705. Add 15% to get the EEC version of power in Watts. Richard __________________ BVWS member. Last edited by Richard; 2nd May 2021 at 7:43 pm.