24 | Keysight | E4991B Impedance Analyzer - Data Sheet
Option E4991B-002 Material Measurement (Typical)
(continued)
Figure 28. Permeability (µ' ) vs. frequency (at F = 0.5 mm, typical)
Figure 25. Permeability loss tangent (tand) accuracy vs. frequency
(at F = 0.5 mm, typical)1
r
Figure 26. Permeability loss tangent (tand) accuracy vs. frequency
(at F = 3 mm, typical)1
Figure 29. Permeability (µ' ) vs. frequency (at F = 3 mm, typical)
r
Figure 30. Permeability (µ' ) vs. frequency (at F = 10 mm, typical)
Figure 27. Permeability loss tangent (tand) accuracy vs. frequency
(at F = 10 mm, typical)1
r
1. This graph shows only frequency dependence of Ea to simplify it. The typical accuracy of tanδ is defined as Ea + Eb; refer to “Typical accuracy of
permeability parameters” on page 16.
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