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Legato® 100 Syringe Pump


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The Legato® 100 Syringe Pump is the worlds first single syringe infusion-only pump with a touch screen interface. The Legato 100 offers a wide range of flow rates, from 1.26 pl/min to 88.32 ml/min depending on syringe size which can vary anywhere between 0.5ul and 60ml. Any type of syringe can be used in the unit including glass, plastic or stainless steel. Syringes are held in place by KD Scientifics' new clamping mechanism, designed to hold syringes securely.

The large touch screen colour display allows the user to see all of the pumps operating parameters to ensure proper operation during experiments. Syringe size and flow rate are easily displayed as well as the volume delivered and the elapsed time. The run screen shows all of the pump parameters, as well as the pumps running conditions. An led light on the front panel shows whether the pump is running. Syringe size and flow rates are easily displayed as well as the volume delivered and the elapsed time. Set up is easy using the icon driven software.

Legato 100 pumps are versatile and multiple units can be connected through the RS485 interface. Advanced micro stepping techniques are employed to further reduce the step angle to eliminate flow pulsation. The accuracy is +/- 0.5%. A wide dynamic flow range from pico liters per minute to millimeters per minute can be programmed into the pump.

*NB: for minimum and Maximum flow rates in different syringe volume sizes, see the Legato 100 datasheet


  • Accuracy ± 0.5%
  • Holds one syringe from 0.5μl to 60ml
  • High resolution colour touch screen
  • Unparallel ease of use
  • Password protection for program configuration
  • Run LED light on front panel
  • Stable flow design
  • Built in syringe table
  • Up to 30 lbs (13.6kg) linear force
  • Built in RS-485 interface to link multiple pumps
  • USB port
  • Footswitch Interface
  • Protection with a spill dam


  • Model:  KDS Legato 100
  • Syringe Size:  0.5 μl to 60 ml
  • Power:  100-240 VAC: 50/60 Hz, 50W. 0.5 A fuse
  • Motor Drive Control:  Microprocessor with 1/16 microstepping
  • Linear Force (Maximum):  13.6 kg (30 lbs) @ 100% Force Selection
  • Number of Microsteps per one revolution of Lead Screw: 15,360
  • Step rate (Minimum):  27.5 sec/μstep
  • Step rate (Maximum):  26 μsec/μstep
  • Drive Motor:  0.9 degree Stepper Motor
  • Pusher Travel Rate - (Minimum):  0.15 μm/min
  • Pusher Travel Rate - (Maximum):  159 mm/min
  • Flow Rate (Minimum):  1.26 pl/ min (0.5 μl syringe)
  • Flow Rate (Maximum):  88.32 ml/min (60 ml syringe)
  • Dimensions:  22.6 x 19.05 x 15 cm (9 x 7.5 x 5 in)
  • Weight:  2.66 kg (5.9 lbs)
  • Connectors:  RS485 - IEEE-1394 6 pos,
  • USB:  Type B

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