Description_x000D_ General description_x000D_ Continuous Cycle Syringe Pump. The KDS270 can hold up to four syringes and can cycle continuously back and forth in a push-pull action. As two syringes are infusing, two syringes are withdrawing at the same rate. At the end of the set volume the direction is automatically reversed and the next cycle begins. With the use of 3-way valves the pump can empty and refill syringes in a continuous dispense._x000D_ • Holds four syringes, 10 μL to 60 mL each. With larger syringes the full volume may not be useable. [60 mL syr - 40 mL useable, 30 mL syr - full]_x000D_ • Backlit LCD display_x000D_ • Knob locks/unlocks drive block for effortless, drag-free adjustment_x000D_ • Simple menu-driven setup_x000D_ • Select syringe size from displayed table_x000D_ • Dispense volume_x000D_ • Dispense flow rate_x000D_ • Continuous dispense volume display_x000D_ • Preset volume control and automatic shut-off_x000D_ • Settings can be reviewed or changed during operation_x000D_ • Stall detection_x000D_ • Choice of unit selection_x000D_ • Last settings stored in permanent memory_x000D_ • Built-in RS232C interface for computer "daisy chaining" up to 100 pumps_x000D_ • TTL interface for foot switch, timer, relay control, outputs for run indicator, valve control