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 Post subject: Calibration of humidity sensor
PostPosted: Tue Nov 28, 2017 10:19 am 
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Hi, i tried to calibrate the humidity sensor with the salt method (NaCl). All TSN-TH70E sensors show values from 82 to 88 %RH where i expect 75.5 % RH at 20°C. Is this normal or am i wrong? As i only have this data point, shall i lower the bias or change the slope? I know, 2 more measure points would be better ....


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 Post subject: Re: Calibration of humidity sensor
PostPosted: Wed Dec 20, 2017 11:53 pm 
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Joined: Sun Nov 26, 2017 1:30 pm
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Replying to myself: Had a sign error at the value for the second power function (2.8e-6 instead of -2.8e-6).
If anyone wants to try my python program:

https://github.com/redflo/pylarexx


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