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Old 08-12-13, 10:15 PM
pauldoit pauldoit is offline
Join Date: Sep 2012
pauldoit's Flag is: Australia
Location: Belgrave, Melbourne
Fishkeeping Experience: Intermediate
Breeding Experience: Beginner
Posts: 51
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pauldoit is on a distinguished road
I've worked in a NATA accredited laboratory for many years. If your new unit comes with a calibration certificate then trust it, if it doesn't then it still might be ok but you will never know. We had a variety of thermometers up to around 500 each. I've bought a hanna 9815 and it came with all calibration certificates. I'll still get a good glass therm one day as they don't drift much over time like the electronic ones do.
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