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HELM-3-2

Two Meter Triaxial Helmholtz Coil

2.2 Meter Triaxial Helmholtz Coil System suitable for magnetometer calibration and testing as well as general laboratory or field magnetic measurement work.
The HELM-3-2 Helmholtz Coil

Spec. Sheet (HELM-3-2 Spec Sheet February 2008.pdf)
HELM-3-2
Axial Alignment:Orthogonality better than ± 0.1 degrees
Magnetic Constant:75,000 nT/AMP Nominal
Calibration Accuracy:± 0.01% at Coil Center
Field Uniformity:< 0.025% Gradient in a centrally located 20 cm sphere
< 0.005% Gradient in a centrally located 10 cm sphere
Geometry:(3) Nested Rectangular Coil Pairs
Dimensions:Largest Dimension of Coil is 215 cm2
Weight:114 kg
Construction:All non-magnetic materials; coils are electrically isolated to prevent eddy current loops.
     
©2005 Billingsley Aerospace & Defense
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