MS-1L Compact Magnetic Shield

MS-1L

The MS-1L magnetic shield is an excellent and compact system for precision magnetic field control. It provides multilayer high permeability metal shielding to reduce the ambient magnetic noise, and has an internal field coil system to precisely control the magnetic field in the center of the shielded volume.

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Specifications

Four-layer magnetic shield
Shielding factor: 10⁶
Magnetic noise: 16 fT/Hz^1/2
Precision magnetic field coil system
- Design for high axial Z field uniformity
- Maximum coil current: 1 A
- Internal 3-axis magnetic field coil
  - X/Y coil:
    - Calibration: 0.6 G/A = 69 nT/mA
    - Inductance: 21 µH
  - Z coil
    - Calibration: 1.3 G/A = 130 nT/mA
    - Inductance: 27 µH
- Internal gradient field coils
  - dZ/dz: 2.94 nT/cm/mA
  - dZ/dy: 2.42 nT/cm/mA
  - dZ/dx: 2.47 nT/cm/mA
  - dY/dx: 2.98 nT/cm/mA
  - dY/dy: 3.68 nT/cm/mA
- Internal Z-axis second order gradient coil
  - d²Z/dz²: 0.86 nT/cm²/mA ( + 10.9 nT/mA )
Axial hole: 30 mm dia.
Access holes: 15 mm dia. 8 radial & 2 on each endcap
Internal stage with breadboard hole pattern
Mass: 8 kg