So by your "logic" it would be best to measure one Watt using a 100W element.
On 8/21/2015 8:03 PM, Ken G Kopp wrote:
Bird accuracy is specified to be +/- 5% of meter full scale ... a 100W element would be a poor choice to measure a 100W output level. Take a look at any Bird's meter scale. It's not linear and can be read with the most accuracy to the left of center scale. A 250W element is much better for measuring 100W. Wanna chase your tail? Measure the same power source with identical Bird elements...... Don's method is better, but all methods are obviously subject to the accuracy of the final indicating instrument. FWIW ..... 73l
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