I had my USB contour for more than year and of late I am having trouble trusting the readings. I took 4 readings in a span of 30 seconds and the meter shows a wide range of results. the results were 141,129,146,118. I know that these are within the "normal" operating range of + or - 20%. But I have this uneasy feeling that there is something wrong with the meter. While I was researching the meter ratings I cam across the latest ratings done bu consumer reports
According to that article they don't even recommend my meter :-( How much trust the community has on consumer reports article.
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