Primate Response Devices

ENV-612M
Retractable Primate Lever

This heavy-duty retractable primate lever is supplied on a 1/2 size modular panel. It features a solid aluminum lever that protrudes 1.125" (2.9 cm) into the chamber when extended. The tension is factory set at 72 grams however, it can be adjusted from 55 grams to 100 grams.

Dimensions:
Panel: 3.0" W x 6.5" H (7.6 cm x 16.5 cm)
Lever: 0.25" (0.6 cm) thick x 1.875" (4.8 cm) wide

ENV-610M
Standard Monkey Lever

This solid aluminum standard monkey lever mounts on a 1/4 size panel. It features heavy-duty pivots, adjustable tension, and microswitch output. The paddle protrudes 1.125" (2.9 cm) into the chamber and the tension is adjustable from 55 grams to 100 grams, with a factory setting of 72 grams. This lever may be used in the 007 series extra tall modular test chambers, modular primate chair (ENV-601), or wall mount intelligence panel cabinet (ENV-607).

Dimensions:
Panel: 3.0" W x 3.25" H (7.6 cm x 8.3 cm)
Lever: 0.25" (0.6 cm) thick x 1.875" (4.8 cm) wide

ENV-122
Lindsley Manipulandum

This unique manipulandum consists of a ball-like knob that extends approximately 2.5" (6.4 cm) from the modular panel. A response switch closure is generated by pulling the knob outward approximately 0.5" (1.3 cm). A second microswitch is provided to generate a response when the knob is pushed in.