Methods of Demagnetizing

Use electric current

Using heat

Vibration

Precautions to Avoid damaging Magnets

• Do not heat
• Do not expose to alternating current
• Do not expose to vibration
• Do not store magnet near another magnet
  
  

Keeper

• A keeper is a piece of soft iron placed across the poles of a magnet to provide an easy path for the magnetic flux
• If not used magnetic field will weaken over time