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Drinking Event Monitor DM-8
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DM-8 monitors contact between animal and water bottle sipper tube. It is a classical implementation of electrical conductivity as a means of sensing contact. In this application, the animal stands upon a wire (stainless steel) floor in order to drink from a stainless steel sipper tube. An electrical pathway is completed that allows an imperceptible current (less than 1x10-6 ampere) to pass through the animal.
Electronics within the DM-8 Control Unit sense the current flow, converting it into signals that are recorded using Columbus Instruments' Computer Counter line of interface equipment. In practice, each 'count' indicates one lick from the sipper tube. A DM-8 Control Unit supports up to eight drinking dispensers.
keyword : behavior, pharmacology, food, drink ,metabolism, columbus instruments
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