ASI MS-2000 Flat-Top XY Automated Stage

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The MS-2000 Flat Top XY stage has been specifically designed to provide a high resolution, and highly repeatable, means of controlling the X, Y position of the microscope stage. The stage can be used in conjunction with ASI’s proven line of Z-axis motor drives, each custom fitted to the microscope, for complete X, Y, and Z positioning. All axes derive their precise control through the use of closed-loop DC servomotors employing high-resolution rotary encoders for positioning feedback. By using closed-loop control of the stage position, there is no chance that the stage will become lost, as can occur with open-loop micro-stepped stages after a number of moves and direction changes. The MS-2000 XY stage utilizes crossed-roller slides, a high-precision lead screw, and zero-backlash miniature geared DC servomotors for smooth and accurate motion. The microprocessor-controlled MS-2000 control unit provides for RS-232 and USB communication with a host computer.


  • Closed-loop DC servo control of the X and Y axes for precise positioning and highly repeatable focusing
  • Wide dynamic speed range with XY joystick control
  • Utilizes ASI’s proven Z-axis drives
  • Z-axis clutch for easy switching between manual and motor-driven focus control
  • Backlit LCD display shows X, Y, and Z coordinates
  • “Zero” and “Home” button for simple stand-alone operations
  • Compact ergonomic tabletop control unit size is 6”D x 9”W x 3”H (9 x 23 x 16½ cm)
  • Microprocessor control with RS-232 serial and USB communications
  • Proven operation with many popular software packages
  • Travel range will scan full well plate in most circumstances


MS-2000 Specifications for Standard Configuration:

  • XY axis range of travel: 120 mm x 75 mm
  • XY axis resolution (encoder step): 22 nm
  • XY axis RMS repeatability: < 700 nm
  • XY axis maximum velocity: 7 mm /sec
  • Max Recommended Load: 5kg

MS-2000 Linear Encoder Options:

Axis Resolution Scale Accuracy
XY 10 nm ± 3 μm per length of scale

MS-2000 Product Compatibility:

  • Leica: DMI3000, DMI4000, DMI5000, DMI6000, DMIRB, DMIRBE, DMIRE, DMIRE2
  • Nikon: Diaphot Eclipse TE2000, Eclipse Ti
  • Olympus: BX50WI, BX51WI, BX61WI, IX70, IX71, IX81
  • Zeiss: Axiovert 200, Axio Observer

Additional information

Equipment Condition



MS-2000 Flat-Top XY

Stage Type


Microscope Type

Upright, Inverted