Sleep Fragmentation
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Lafayette Instrument

The Lafayette Instrument Company Model 80391 Sleep Fragmentation Chamber provides researchers with the necessary tools for sleep fragmentation studies in both mice and rats. The 80391 maintains an animal environment that is virtually identical to that used in the original 80390 Chamber. The divider wall has been removed since a much faster sweep time is now possible. The sweep bar, food hopper, ad lib water and ventilated lid remain the same. The living environment is now independent of the drive mechanism making the chamber quieter and easy to clean. It resembles a standard living...

Cycle Times • Continuous: Approximately 7.5 seconds • Selectable (min): 0.25, 0.5, 1, 1.5, 2, 3, 4, 5, 10, 15, 20, 25, 30 External Initiate/Event Output • General: 2.5mm connection, 3 conductor • Base: Ground • Ring: Event Out - Open collector, pull up if needed (30 VDC max) • Tip: Ext Initiate, active low switch closure Dimensions • Outside: 16.0”L x 10.5”W x 14.5” H (40.6 x 26.7 x 36.8 cm) • Inside Living Space: 9.625”L x 8.25”W x 7.75”H (24.5 x 21.0 x 19.7 cm) • Weight: 12 lbs (5.4 kg) Power Supply • 9w VDC @ 2A center positive supply (included) Ramesh V, Kaushal N, Gozal D. Sleep...

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