Head Entry Detector Package

ENV-254
Head Entry Detector for Rat Receptacles

This head entry detection is designed to place a continuous infrared photobeam across the entrance of most pellet or dipper receptacles for rats as well as the grain hopper for pigeons (ENV-205M). The light source and detector are mounted on small circuit boards protected by PVC blocks that mount to the outside of the stainless steel receptacle. The compact control circuit operates from 28 V DC producing a ground signal whenever the beam is broken. This is compatible with all 28 V DC input cards. (For mouse receptacles see ENV-303HD.)

Dimensions:
Enclosure: 1.4" W x 2.0" D x 1.0" H
(3.6 cm x 5.1 cm x 2.5 cm)

ENV-302HD 
Head Entry Detector for Mouse Liquid Dipper Receptacles

This head entry detection is for mouse liquid dipper receptacles. It includes modified receptacle side panels and infrared light source and detector pairs. These units operate from 28 V DC and may be used with any input module to produce a “response” whenever an animal breaks the beam.

Dimensions:
Control Box: 1.40" L x 1.00" H x 2.00" D
(3.4 cm x 2.5 cm x 5.1 cm)

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