Helmholtz coil has a large uniform area, a wide use space and easy operation. It can realize one-dimensional, two-dimensional, and three-dimensional combined magnetic fields, and can provide AC and DC magnetic fields. The current has a good linear relationship with the magnetic field. It is suitable for various research institutes, universities and enterprises to do material magnetism or testing experiments, applied to materials, electronics, biology, medical treatment, aerospace, chemistry, applied physics and other disciplines. Its main purpose: to generate standard magnetic fields; Cancellation and compensation, geomagnetic environment simulation, determination of magnetic shielding effect, electromagnetic interference simulation experiment, calibration of Hall probes and various magnetometers, research on biological magnetic field and magnetic properties of materials.  three-dimensional coil Features of the three-dimensional coil: The magnetic field realizes the X, Y, and Z axial magnetic fields respectively, and the magnetic field per axis is generally lower. It is especially suitable for generating standard magnetic fields, cancellation and compensation of the earth's magnetic field, geomagnetic environment simulation, determination of magnetic shielding effect, electromagnetic interference simulation experiment, calibration of Hall probes and various magnetometers, research of biological magnetic field and magnetic properties of materials Research.   Coil model radius(mm) Central magnetic field (Gs) Evenness % Uniform sphere diameter（mm） Power range per dimension (W) One-dimensional weight (Kg) Three-dimensional weight （Kg） HLY30-50 300 50 5 200 420 55   1 150 HLY30-10 300 10 0.5 100 90-120 12 38 0.1 90 HLY30-2 300 2 0.05 60 18~32 3.5 11 0.01 40 HLY25-1000 250 1000 5 160 5000 500   1 125 HLY25-500 250 500 0.5 100 2500 250   0.1 75 HLY25-300 250 300 0.05 50 1600 150   0.01 33 HLY25-100 250 100 5 160 600 50   1 125 HLY25-50 250 50 0.5 100 300~620 30 138 0.1 75 HLY25-10 250 10 0.05 50 60~110 8 32 0.01 33 HLY25-2 250 2 5 160 12~18 4 14 1 125 HLY20-500 200 500 0.5 80 2000 160   0.1 60 HLY20-300 200 300 0.05 4

Helmholtz coil has a large uniform area, a wide use space and easy operation. It can realize one-dimensional, two-dimensional, and three-dimensional combined magnetic fields, and can provide AC and DC magnetic fields. The current has a good linear relationship with the magnetic field. It is suitable for various research institutes, universities and enterprises to do material magnetism or testing experiments, applied to materials, electronics, biology, medical treatment, aerospace, chemistry, applied physics and other disciplines. Its main purpose: to generate standard magnetic fields; Cancellation and compensation, geomagnetic environment simulation, determination of magnetic shielding effect, electromagnetic interference simulation experiment, calibration of Hall probes and various magnetometers, research on biological magnetic field and magnetic properties of materials. Accept any customization of parameters.

The HLY30-100 Helmholtz coil generates a uniform magnetic field in the center of the coil under the excitation of the excitation power supply. The magnetic field strength and the current have a linear relationship, and the direction of the magnetic field can be designed to be horizontal or vertical.

Coil HLY10-100 design plan u Product specifications HLY10-100 Helmholtz coil, under the excitation of the excitation power supply, generates a uniform magnetic field in the center of the coil. The magnetic field strength and current are linear. The direction of the magnetic field can be designed to be horizontal or vertical. u Electrical parameters DC cold power supply approximately 2.6Ω; Coil insulation resistance 10 MΩ. u Cooling method Natural cooling u Dimensions and quality Coil equivalent diameter 200mm, coil spacing 53mm Overall weight approximately 9.5Kgu Magnetic field parameters Central magnetic field Intensity 1.2mT@1A, B/I coefficient is 1.2mT/A · In the center Sφ50mm area, the uniformity is better than 1% · In the center Sφ28mm area, the uniformity is better than 0.1% u Plan diagram u Curve diagram u Accessories Description of quantity power supply Line 1 Probe holder 1 Instruction manual 1 Product manual 1 Qualification certificate 1 u Option description Quantity Aluminum frame material 1 PMMA frame material 1 Manual lifting sample table 1 Manual rotating sample table 1

Coil HLY10-10 design plan u Product specifications HLY10-10 Helmholtz coil, under the excitation of the excitation power supply, generates a uniform magnetic field in the center of the coil, the magnetic field strength and the current are linear, and the direction of the magnetic field can be designed to be horizontal or vertical. u Electrical parameters DC cold power supply about 5.7 Ω; coil insulation resistance 10 MΩ. u cooling method, natural cooling u size and quality, coil equivalent diameter 200mm, coil spacing 80mm, overall weight about 4Kgu magnetic field parameters, central magnetic field strength 1.2mT@1A, B/I coefficient is 1.2mT/A. In the center Sφ50mm area, the uniformity is better than 1%. In the center Sφ28mm area, the uniformity is better than 0.1% u Plan diagram u Curve diagram Annex Describe the number of power lines 1 Probe holder 1 Instruction manual 1 Product manual 1 Qualification certificate 1 Option description quantity Aluminum frame material 1 PMMA frame material 1 Manual lifting sample table 1 Manual rotating sample table 1

Coil HLY30-100 design scheme u Product specifications · The HLY30-100 Helmholtz coil generates a uniform magnetic field in the center of the coil under the excitation of the excitation power supply. The magnetic field strength and the current have a linear relationship, and the direction of the magnetic field can be designed to be horizontal or vertical.