Description_x000D_ General description_x000D_ Push-Pull Syringe Pumps. This KDS pump provides simultaneous infusion and withdrawal with opposing syringes on a single drive. The KDS260 is an adaption of the KDS210. The pump has been modified to hold an additional syringe so that as one syringe infuses, while the second syringe withdraws at the same rate. The Push/Pull mode is designed for one cycle only._x000D_ Note: When not used in push/pull mode, the pump has all the features of KDS210._x000D_ • Holds up to four syringes, 10 μL to 60 mL each. With large syringes, the full volume may not not be usable_x000D_ • Backlit LCD display_x000D_ • Knob locks/unlocks drive block for effortless, drag-free adjustment_x000D_ • Simple menu-driven setup: select syringe size from displayed table dispense volume 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 RS-232C interface for computer "daisy chaining" up to 100 pumps_x000D_ • TTL interface for foot switch, timer, relay control, outputs for run indicator, valve control_x000D_ • Independent rate and volume settings for infusion and withdrawal_x000D_ • Multiple mode selection: Withdrawal for push/pull_x000D_ • Optional multi-step keypad programmable feature