Kensington Laboratories 8500-12 Motorized Stage

US $3,000.00

  • Palisades Park, New Jersey, United States
  • Jan 30th
Feel free to contact us for additional information through ebay mail, or directly at: or at   (201) 592-1864. Kensington Laboratories Motorized Stage Model 8500-12 S/N: 91-561TA-07 with EG&G Torque Systems PM Field DC Servomotor; Model No.: MT2115-014DF; S/N: 854027 Dimensions: 23 3/4"L x 8 3/4"d x 3"h This unit is in excellent working condition, and carries our 4-month, no-nonsense warranty. For your reference, the seller is N&R Scientific Co., Inc.  We have been providing the highest quality refurbished and fully guaranteed equipment worldwide for over 35 years.  You can purchase with complete confidence that the equipment will be provided in excellent cosmetic and perfect operational condition.   Our 50,000 square foot facility is located in the metropolitan NYC area. Manufacturer's Description: Model 8500 Stage Kensington's 8500 Series Precision Stage offers bi-directional repeatability, minimum incremental motion, and display resolutions to better than 0.025 µm. Acceleration range is 0.001-0.25g, and the velocity range spans 7 orders of magnitude: from 0.01 µm/s to 100mm/s. 200mm/s top speed is an option and involves no resolution tradeoffs. The drivetrain is composed of a high torque DC servo motor driving a high-precision leadscrew. Unlike implementations such as impulse-type drives, the servo loop ensures quiet operation, without resonances or excessive heat, at all speeds, accelerations and loads. The output spindle assembly is constrained in low-friction bearings, with an integrated linear optical encoder, making positioning immune to linkage backlash. The encoder includes a fiducial track for absolute zero reference, optical limit switches, and programmable soft limits. Hysteresis and wear are eliminated in our proprietary, non-contacting read-head design. Velocities are regulated to ±1% RMS above ~ 10 µm/s and the servo compensation system also provides stability when subjected to mechanical disturbances such as shifting loads. The maintenance-free linear stage is easy-to-use, with a high-level command set that has built-in diagnostic intelligence. This facilitates compact, modular and supportable application code. Parameters such as acceleration, deceleration, and velocity may be changed at any time and stored in non-volatile memory within the controller. The stage may also be used in manual mode by commanding the motor off and using the knob. Safety considerations have been addressed through the use of real-time force-sensing and programmable soft limits. A fiducial "home" position allows robust recovery of the coordinate system on power-up, and an emergency motor-shutdown feature is provided to halt motion immediately, without the need for system initialization to resume motion. No PID parameter tuning is necessary to use these stages, and very stable performance is provided via advanced mechanical and controls design.
Condition Used :
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
Seller Notes This unit is in excellent working condition.


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