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Electromagnetic Levitation System

The electromagnetic levitation system controls the magnetic field generated by an electromagnet to levitate a small magnet in midair. The small magnet levitates in the air indefinitely without any disturbance. The vertical position of the levitating magnet is measured using a linear Hall effect sensor and the current in the electromagnet is controlled using a microcontroller. The system has three push buttons to adjust the vertical position of the levitating magnet and to apply a sinusoidal, square or sawtooth reference signal.

 

 

The magnetic levitation system is available as a kit or fully assembled unit. The system works with both the 1/2" N42 sphere magnet and 1/2" x 1/8" N42 disc magnet (or three disc magnets stuck together). This is a great science fair project for students. It is recommended for ages 12 and up.


Features

  • Air gap: ~ 0.75" (2.0 cm)
  • Supply voltage: 7.5 - 12 V
  • Supply current: ~ 50 mA
  • Size: ~ 2.5" x 2.5" x 6.0" (6.35 cm x 6.35 cm x 15.24 cm)
  • Weight: ~ 1.0 lb (0.5 kg)

Basic Kit

  •     All electrical and mechanical parts (comes with a disc magnet)
  •     Detailed assembly and operating instructions including the circuit schematic (electronic copy via email)
  •     Requires a 7.5 V power adapter (not included) or a 9 V battery (not included)
  •     A suitable power adapter is available below
  •     Please visit the Components page if you would like to order a sphere magnet as well
  •     All components are tested before shipment
  •     Some components are sensitive to static electricity and excessive heat, and may be damaged if not handled properly
  •     Assembling the unit requires basic soldering skills
  •     If you do not have any soldering experience, please consider buying the assembled unit

$48.00


Assembled Unit

  • Detailed operating instructions including the circuit schematic (electronic copy via email)
  • Requires 7.5 V power adapter (not included) or a 9 V battery (not included)
  • A suitable power adapter is available below
  • Please visit the Components page if you would like to order a sphere magnet as well
  • Each unit is fully tested before shipment

    $59.00


Power Adapter
  • Input: 100 − 240 V, 50 / 60 Hz, AC
  • Output: 7.5 V, 1 A, DC
  • Size: 6.5 cm x 4.2 cm x 2.5 cm, 140 cm cord length
  • USA plug type (can be used anywhere in the world with a suitable plug adapter, European plug type is also available upon request)

$10.00            


Digital Multimeter (DT-830D)
  • Voltage (DC and AC), current and resistance measurement
  • Diode, transistor and continuity check, test signal generation
  • 12.6 cm x 7.0 cm x 2.4 cm, 150 g, 3.5 digit LCD display
  • Includes a 9 V battery, test leads and user manual

 

$10.00            


Soldering Iron with Solder
  • 120 V, 30 W soldering iron with USA plug
  • 2 m solder wire

 

 

$10.00            


Payment and Shipping

  • Credit Cards, PayPal, Wire Transfer or Money Order
  • Shipment is via USPS worldwide
  • Orders typically ship within the same day
  • For 10 or more orders, please contact us for a discount
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