Salt test question please help

May 2, 2013
I recently bought a humi care digital hygrometer. I have an analog one now but wanted to make sure it was reading correctly as I hear that digital is the way to go. After letting my new digital sit for 24 hours( salt test ) it reads 63%. When I caliberated my analog it read 79% after 24 hours. Does this mean something is wrong with the digital ? Should I re-do the salt test and give it another 24 hours ? Why would the analog only be 4% off and the digital 12% off ?
Apr 2, 2013

There should be something on your digital to change the humidity level. If you did the salt test and it read 63 you should be able to put it to 70 and then it would be calibrated correctly. Hope this helps.

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