Normal digital thermometer ok for charting? - Mothering Forums

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#1 of 6 Old 09-12-2007, 04:22 PM - Thread Starter
 
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I took my temperature "just for fun" my last cycle with a normal non-digital thermometer. This new cycle I´ll do it with a normal digital thermometer. Is that ok for that purpose? What really is so different with that and a BBT thermometer? What I´ve seen online is that it only has bigger numbers so you see better. Is it really necessary to have? Sounds just like marketing to me, but I´m not sure.

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#2 of 6 Old 09-12-2007, 07:38 PM
 
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I'm no help for you but I'm lurking since I haven't been able to find a replacement for my BBT one yet.
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#3 of 6 Old 09-12-2007, 07:40 PM
 
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You're correct that a BBT thermometer measures more precisely, giving you two decimal places. It also doesn't measure as wide of a temp range (goes somewhere from about 96 up to around 99, I think). If your temps aren't very close together from day to day, it'll be fine. I use a regular thermometer and haven't had any trouble with it.

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#4 of 6 Old 09-12-2007, 07:46 PM
 
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Ditto for me. I just use a regular digital thermometer. So far, it's worked well enough for my charting needs.
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#5 of 6 Old 09-12-2007, 10:08 PM
 
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not all digital basal therms read to two decimal places - the BD digital basal only reads to one, which is ideal if you're charting by hand. You can use any thermometer that reads to every tenth of a degree. Older digitals read to every other tenth (like a regular glass therm, 98.0, 98.2, 98.4 instead of 98.0, 98.1, 98.2) so they aren't precise enough to use when you're looking for a change in temp that can be as small as .2F
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#6 of 6 Old 09-12-2007, 11:17 PM
 
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So if my temps aren't close a themometer that reads in thenths (ex:98.6) will work until I can find a BBT?
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