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HELM-3

One Meter Triaxial Helmholtz Coil

One Meter Triaxial Helmholtz Coil System suitable for magnetometer calibration and testing, as well as for general laboratory field magnetic measurement work.
The HELM-3 Helmholtz Coil

Spec. Sheet (HELM-3 Spec Sheet February 2008.pdf)
HELM-3
Axial Alignment:Orthogonality better than ± 0.1 °
Magnetic Constant:1 Gauss/AMP Nominal
Calibration Accuracy:± 0.015% at Coil Center
Field Uniformity:< 0.3% Gradient in a centrally located 20cm sphere
< 0.1% Gradient in a centrally located 10 cm sphere
Geometry:(3) Nested Rectangular Coil Pairs
Dimensions:Largest Dimension of Coil is 120 cm squared
Weight:50 kg
Construction:All non-magnetic materials; coils are electrically isolated to prevent eddy current loops.
     
©2005 Billingsley Aerospace & Defense
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