Neutralizing Disturbing Forces for Sensitive Machines

Natural magnetic fields exist everywhere in the universe. They occur whenever an electric charge is in motion. The more electrical energy in motion, the greater the magnetic field produced. When low-frequency magnetic fields are present, emanating from electrical power cables, railways vehicles, or elevators, it can create functionality issues with sensitive pieces of equipment. It is important to shield your equipment from these fields to maintain efficiency, and longevity of your machines. Bilz Magnetic Field Compensation allows you to do just that.

The Magnetic Field Compensation System

When electricity flows through a conductor, magnetic induction occurs. Without suitable shielding, the magnetic field expands outwards in a circular form and is capable of passing through most materials unhindered. Magnetic Field Compensation effectively and reliably shields highly sensitive devices, such as electron microscopes, nanotechnology, and biomagnetic examinations, from these low-frequency magnetic fields.

With this method, the magnetic field’s electromagnetic value is continuously measured and a compensation device generates an opposing field. This extensively neutralizes the disturbing influences. The compensation device includes the necessary control electronics and power amplification for the direct connection of compensation coils.The compensation coils can either be made of coiled cables that are laid at the edges of the laboratory, or as a complete solution, integrated in a self-supporting aluminum frame. Not only is our active magnetic field compensation effective, but it is also a cost-effective alternative to expensive magnetic field shielding, for example, metal sheeting.

Features

Bilz magnetic field compensation includes a variety of features to effectively shield equipment from low-frequency magnetic fields while also providing greater ease-of-use for operators, including:

  • 3 axis automatic real-time compensation of low frequency magnetic field disturbance
  • Frequency range DC to 1,000 Hz (1kHz)
  • Fluxgate magnetic field sensor with sub Nano Tesla resolution
  • Controller modes AC, DC, AD+DC
  • 40 db typical suppression of 50 Hz disturbance
  • Compensation coil connection capability
  • Measured value and alarm display

Applications

Bilz magnetic field compensation is best suited for the suppression of slow and stepped magnetic fields caused by vehicles, moving magnetic objects, elevators, and more, as well as compensation of line frequencies of 50 to 60 Hz and harmonic waves. This suppression and compensation is especially crucial for sensitive machines, including Image enhancement in electron microscopy, such as REM and TEM, and Biomagnetic applications. We also offer a special version for MRI application. Contact us to learn more.

Ready to discover magnetic field compensation solutions for your manufacturing plant? Contact us today to set up a time to discuss your individualized solution!

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