MFG-13 Series 3D Circular Helmholtz Coils|SeeweTek | Magnetic Field Generators, Magnetic Testing Solutions, Physical Property Testing Solutions

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MFG-13 Series 3D Circular Helmholtz Coils
Description:The MFG-13 series 3D circular Helmholtz coils, when excited by a three-channel excitation power supply, generate a uniform magnetic field at the center of the coils. They feature a large uniform field volume, spacious working area, and easy operation. Capable of providing both AC and DC magnetic fields, the generated magnetic field has excellent linearity with the current. Suitable for research institutes, universities, and enterprises for material magnetic property testing or detection experiments, applied in materials, electronics, biology, medical, aerospace, chemistry, applied physics, and other disciplines. Main applications include: generating standard magnetic fields, canceling and compensating Earth's magnetic field, simulating geomagnetic environment, evaluating magnetic shielding effectiveness, electromagnetic interference simulation experiments, calibrating Hall probes and various magnetometers, studying biological magnetic fields, and investigating material magnetic properties.
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Product Features

  • Large uniform magnetic field area;
  • Can synthesize magnetic fields of different amplitudes and directions through vector combination of three coil excitations;
  • Excellent linearity between magnetic field and excitation current;
  • Large operating space for user convenience;
  • Optional or customizable test platform for easy experimental operation;
  • Optional or customizable mobile platform for easy overall movement;
  • Highly customizable. Applications: magnetic sensor calibration, electromagnetic interference simulation experiments, magnetic material measurement, biological magnetic effect research, magnetic field influence experiments, geomagnetic field compensation and cancellation, and magnetic field-related scientific research. Magnetic field types: constant magnetic field, gradient magnetic field, composite magnetic field, alternating magnetic field.

Technical Specifications

3D Circular Helmholtz Coil Parameters (DC Excitation) The following are parameters under DC excitation for standard Helmholtz coils. All parameters can be customized according to user requirements.
ModelCoil Winding Inner Diameter / mmUniform Region @ UniformityMax Magnetic Flux Density at Coil Center (Single Axis) / GsMax Excitation Current (Single Channel) / AMax Power per Channel / kW
MFG-1300-500-150500Ф100 mm@1%Ф80 mm@0.5%Ф65 mm@0.2%Ф55 mm@0.1%150254.0
MFG-1300-500-100100251.8
MFG-1300-500-05050251.2
MFG-1300-500-0101050.2
MFG-1300-300-200300Ф60 mm@1%Ф50 mm@0.5%Ф40 mm@0.2%Ф33 mm@0.1%200252.0
MFG-1300-300-100100251.0
MFG-1300-300-05050250.5
MFG-1300-300-0101050.05
MFG-1300-200-200200Ф40 mm@1%Ф33 mm@0.5%Ф25 mm@0.2%Ф22 mm@0.1%200251.2
MFG-1300-200-100100250.6
MFG-1300-200-0505050.2
MFG-1300-200-0101050.02
MFG-1300-150-200150Ф30 mm@1%Ф25 mm@0.5%Ф20 mm@0.2%Ф15 mm@0.1%200251
MFG-1300-150-100100250.5
MFG-1300-150-0505050.1
MFG-1300-150-0101050.02
Note: The actual maximum diameter of the coil will be slightly larger than the winding inner diameter. Please consult our company for more detailed product parameters. The selected excitation current source should meet the above current and power requirements. Considering manufacturing process and ease of use, for Helmholtz coils with dimensions larger than 600 mm, the MFG-15 series 3D square Helmholtz coils are recommended.

Basic Structure


System Configuration List

NameModelQtyUnitConfigRemarks
Helmholtz CoilMFG-13 Series1SetStandardUser should select specific model based on size and max magnetic flux density requirements
Full Set of Test Cables and Power Cables——1SetStandard
Excitation Power SupplyMAC-11 Series3UnitsOptionalPower supply can be selected based on Helmholtz coil excitation requirements
Test PlatformMAC-42 Series1SetOptionalSuitable test platform can be selected or customized based on test requirements for moving, rotating, or fixing test samples
Mobile PlatformMAC-43 Series1SetOptionalFor easy overall movement of the Helmholtz coil
GaussmeterMTE-11 Series1SetOptionalCan be used to measure the magnetic field generated by the coil


Simulation Report Example

Simulation services and reports can be provided according to user needs, to understand the overall magnetic field distribution of the magnetic field generating device, magnetic field distribution on each axis (X-axis, Y-axis, Z-axis), overall magnetic field uniformity analysis, magnetic flux density distribution, etc. Some simulation examples are as follows:

Axial Magnetic Flux Density Component Distribution Curve

Axial Magnetic Flux Density Vector Sum Distribution Curve



Note: This document describes only some products of this series for user reference. Our company offers flexible product customization services. Users can propose specific requirements based on their application scenarios. For detailed simulation reports, please contact our sales/technical staff.