Good to know: - You can set a high/low humidity alarm. This can be a mixed blessing. Continue reading. Unlike some other models I've seen, there doesn't appear to be any range limitations. The set comes with a very nice case. Holds all attachments and even a slot for a manual. It has a built in humidity meter (star shaped protrusion between the sensors), two sensors and retractable sensors on an external cable with a Cat 5 connector. It makes perfect sense to me that you would want to record ambient humidity as part of the study. Dear Globe, the squeaking is annoying. The internal moisture meter is triggered by an alarm. You can change it, but don't drown out the hellish squeak. - There are pads on the back that also take readings. You must be careful not to touch them when using the internal moisture meter. Otherwise your statement is entirely fictitious. This increases to 99%, giving you a wide range of readings with this model. The main thing is to keep an eye on the pads on the back, as already discussed. - The display is backlit, nice and easy to read. - There are two built-in nodes in the lid to check the calibration. - The manual fails on the calibration part. The instructions contain the most concise descriptions and leave them open-ended as if the instructions were missing a page. I couldn't find out. The only response I could get from the device in this mode was it beeped and called me "bad". Calibration makes sense. Maybe I'll contact the manufacturer if they can give me some advice. In the meantime I can see if it works well with my dehydrator when I make jerky.
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