Must be a different Hannah than any I've used. Mine needs calibrating
on any day I intend to use it - if I expect the readings to be
accurate.


In article
. comtheodore.lowe@gma
il.com wrote:


The guy at grape and granary said this meter wouldn't need
calibratedeach time I use it...is this accurate?


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I'm using an evaluation license of nemo since 113 days.
You should really try it!
http://www.malcom-mac.com/nemo