Very good for home science projects

I was skeptical about this product but can say that I am a happy user. I bought the 4" temperature probe because it has a wide temperature range and can also sense temperature down to 0.1 deg C or F. I put it right next to my Oregon Scientific home weather gadget (outdoor and indoor temperature and barometric pressure). I am happy to say that it is so sensitive that it can pick up temperature difference on different sides of the Oregon Scientific. (No more than 1 inch from the surface of the weather station.

I have also used it to track my core body temperature fluctuation during the night. I taped the probe to the skin near the belly button and strapped the iPhone to my waste. I put also a piece of fleece over the temperature probe so that it wouldnt be distracted by non-body ambient temperature. It was quite amusing to see that the core body temperature actually had 9 peaks for one night. I plan to do a sleep study with my family members who have difficulty with sleep.

This thing responds very quickly to temperature change. Overall I am satisfied.

I like it that the data, once recorded, doesnt go away. To graph or to export the cdv, one can also specify the date/time range.

I havent figured out how to change the sampling rate. I cant find it on the app how to do it. One is supposed to be able to change it from every 0.5 sec to 10 sec.

I have just ordered CableJive dockstubz to give me the option to supply power through a mini usb port. When I did the sleep study, my iPhone ran out of battery after 5 hours even though I had the iPhone turned off.

SUGGESTION FOR IMPROVEMENT: in the cdv file, it would be nice to have the time and date on separate columns.

BPI1356 about iCelsius