My experience with accurites is not great I ordered the first unit checked it off of accurate by 5.? (I don't remember exactly) degrees out of specs so I returned it the second was 6.? off it was returned too the third was 3 and change that made it inside specs but IMO 100% garbage so I gave it away. Aaron says there is a calibration potentiometer inside. To me the thought of opening a unit that specs are so poor that the cheapest Chinese unit is better and the form is so chunky seems like a massive waste of time. You can improve the accuracy range by spending less on a smaller unit.

If you spend the same (11$ x2 so 22) you can get 7 to 22 units that can be averaged (1-3 $ each) or checked against a control ( p t-stat) some of that group will likely be one degree or better.

They are not robust thing they use micro resistance and changes in that to tell temps it takes very little to damage one a pinched or bent cord oxidized contact a small drop I have seen add a degree or more to the amount of range they may have. OCD remember, I check mine every 6 months and it is common to toss 1/4 of them. Snakes batter the cables quite well sometimes.


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