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Photobeam Lickometers



ENV-251L

ENV-251L
Lickometer with Photobeam Sensor - Rat

This unique product places the sipper tube behind a "V" plate so that the animal is forced to lick for liquid delivery. An I/R Photobeam is placed between the plate and the sipper tube to accurately count each beam break by the tongue. This count may be much less than the count provided by the "light pipe" configuration where any part of the snout can break the beam. We do not recommend substituting one for the other in an ongoing study.









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ENV-251M
Light Pipe Lickometer with Photobeam Sensor - Rat

This device was modeled after the traditional "light pipe" configuration. This unit or the ENV-251L may be preferred to the contact lickometer in applications using scrambled foot aversive stimulation.












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