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Pellet Dispenser for Rats and Mice
High-accuracy food reward dispenser using redundant photobeam verification for reliable TTL-triggered delivery. Compatible with 10–45 mg pellets for mice and rats, capacity up to 4,000 pellets; connects to an optional 8-channel control unit (Cat. 49101) for multi-cage operant setups.
Pellet Dispenser for Rats and Mice
The Ugo Basile Pellet Dispenser (Cat. 49104) delivers pellets with exceptional precision using a redundant photobeam check system. Whether used for food reward in operant conditioning, maze experiments, or motivational assays, the dispenser's embedded electronic board ensures reliable, TTL-triggered delivery with minimal latency and maximum accuracy.
Compatible with pellet sizes from 10–45 mg (both mouse and rat variants), the unit connects via Ethernet to an 8-channel control unit, enabling up to 8 independent dispensers to operate simultaneously in complex multi-cage setups.
Key Features
- Photobeam-based redundant delivery verification
- Compatible with 10–20 mg (mice) and 22–45 mg (rat) pellets
- Pellet capacity: up to 4,000 (mice) or 1,000–2,000 (rats)
- 8-channel control unit supports up to 8 dispensers
- TTL-driven operation with manual push-button override
- Adaptable mounts for any maze or operant chamber
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Research Applications
The Pellet Dispenser is a versatile reward delivery system used across a wide spectrum of operant conditioning, learning, and motivational research paradigms. Its high delivery accuracy and expandable multi-cage architecture make it the preferred choice for automated reward-based experiments.
- Operant conditioning: Food reward delivery in lever press, nose poke, and maze-based paradigms
- Appetitive motivation: Assessing food-seeking and reward consumption behaviors
- Drug self-administration: Providing food rewards in self-administration and sucrose preference models
- Cognitive testing: Reward-based learning tasks requiring precise, reliable pellet delivery
- Multi-animal studies: Simultaneous automated pellet delivery to up to 8 independent cages
Memory and Learning
Explore All ProductsHow does the pellet delivery verification work?
The Pellet Dispenser uses a redundant photobeam check. After each dispensing cycle, the photobeam confirms whether a pellet was successfully delivered, ensuring high accuracy and flagging any failed dispenses.
What pellet sizes are compatible?
The dispenser is compatible with 10–20 mg pellets for mice and 22–45 mg pellets for rats.
How many dispensers can be controlled simultaneously?
Using the optional 8-channel control unit (Cat. 49101), up to 8 independent Pellet Dispensers can be operated simultaneously from a single controller.
How is the dispenser triggered during experiments?
The dispenser responds to TTL input signals (3.3–5.0 Vdc). A manual push-button also allows single-pellet delivery for manual testing.
What is the pellet capacity of the dispenser?
The mouse version holds approximately 4,000 pellets, while the rat version holds 1,000–2,000 pellets depending on pellet size.
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