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Temperature/Humidity iButtons

These ibuttons are specialised for measuring temperature or humidity. Except for the DS1920-F5 they all have an internal battery that lets them take measurements and save them for later download.
DS1922E-F5 thermochrons (high capacity) 0 to +140C (old stock)

DS1922E-F5 thermochrons (high capacity) 0 to +140C (old stock)
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DS1921G-F5 thermochrons (old stock)

DS1921G-F5 thermochrons (old stock)