Lake Shore Cryotronics, Inc.


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7400-S VSM from Lake Shore offers higher field strengths, enhanced performance

The new 7400-S Series vibrating sample magnetometer from Lake Shore Cryotronics builds on the capabilities of its popular 7400 Series VSM for improved performance when measuring a broad number of sample materials.

Lake Shore Cryotronics’ 7400-S Series vibrating sample magnetometer (VSM) is developed on the capabilities of the well-known 7400 Series VSM, delivering improved performance in the measurement of various sample materials. The VSM is suitable for magnetic material characterization applications.

The 7400-S VSM has an improved design and is available in all sizes with increased field strengths. The 4-inch offers up to 2.63 T strengths; the 7-inch, up to 3.05 T; and the 10-inch magnet version, up to 3.42 T. The 7400-S VSM also offers faster field ramping, better field control, and updated controller with improved gaussmeter sensitivity and new, quick-swap detection coils with enhanced detection efficiency. The system also comprises an improved PC/monitor workstation that allows users to easily carry out measurements by using the software’s Windows® interface.

In addition, the system allows the extraction of multiple parameters from hysteresis loop data during the testing of samples in liquid, solid, thin film or powder form. The 7400-S VSM is applicable for first order reversal curve (FORC) data acquisition using Lake Shore’s free downloadable utility.

Key Features

  • High sensitivity and stability

  • Precision electronics

  • The ability to characterize temperature dependence of magnetic material properties over a wide 4.2K to 1273K temperature range

  • Noise floor as low as 1 x 10^-7emu at 10 s/pt sampling

  • Moment stability of 0.05% per day

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