I got a 00503 for a present. It's not accurate. I've got 3 other thermometers in the same location say it's 83, but acurite says it's 87.

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I just got a 00503 for a present. It's not accurate. I've got 3 other thermometers in the same location say it's 83, but acurite says it's 87.
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Tim Siepel

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Posted 4 weeks ago

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logan

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I have same problem. Tried calling tech service 6times was told each time had 20 /30 people ahead of me and wait time up to 2hrs. Can’t believe this either they do not really have a tech ser or they have so many problems they can’t handle it. I have 3 units newest one shows 10 deg higher than others. Can’t get ans from acu.
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Jon008

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Use only name brand alkaline batteries. HD or Ultra type batteries may emit more or less power than the air sensor is designed to handle.
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Steve U

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IIRC the sensors all have a 5deg F tolerance.    Seems odd the 3 you have are at the bottom, and the other is at the top. 
My old Heathkit (1979) had you (the builder) do both an IcePoint Calibration (32-33F edge) and a reference, slope setting. that ensures a linear track.  This was long before all the automation. Ya woulda thunk Chaney could do better than 5 by laser trimming a Cal resistance