Magnetism - An Influencing Factor on Weighing

White Paper: Effects of Magnetism on Lab Balances

In 1820, Danish physicist Hans Christian Oersted noticed a compass needle was deflected when held near a wire through which an electric current flowed. He concluded that a current-carrying conductor is surrounded by a magnetic field, thereby affecting the needle. Today, the interaction of electricity and magnetism is explained using an elegant physical theory summed up in the Maxwell equations.  

While electricity and magnetism are naturally occurring phenomena, they have ever-domineering presences in our evolving industrial world. Often, their effects have many benefits, but there are times when their influence can be detrimental – like in the case of weighing. Among the negative weighing effects include the inability to achieve repeatable readings. 

Download this informative white paper to learn about the effects of magnetism on lab weighing, and the countermeasures available to neutralize the issue.  

Commonly Asked Questions:  

  • What is meant by Maxwell’s Equations?
      
    • This refers to the four equations published by James Clerk Maxwell which describe how charged particles give rise to electric and magnetic force per unit charge. In turn, they explain how an electric field can generate a magnetic field.  
       
  • What can happen when magnetic materials are weighed? 
     
    • Weight values could read as stable but be non-repeatable.
    • The sample can display different weight values depending on its position in the weight pan.   

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