Coercimeter
CR/01, CR/02
Laboratorio Elettrofisico
of samples that are not in the standard toroidal, strip or bar
shapes. The CR/01 will measure irregular shapes when closed-circuit
measurements are not possible or convenient, which is the case in
most applications. No longer do you need to cut the material
which alters the sample testing and often has a negative affect on
the magnetic characteristics.
The Laboratorio Elettrofisico coercimeter detects the stray field
emitted from a magnetized sample with a Hall probe in close
proximity. By applying an increasing demagnetizing field with the
solenoid coil, the stray field is reduced to zero. In this condition, the
demagnetizing field coincides with the coercivity of the material.
The CR/01 measurement is automatic and very easy to use with
supplied custom software.
The measurement meets International Standard IEC 60404-7.
When Hc is lower than 40 A/m, it’s required to shield the sample, to
avoid influences from external magnetic fields (also the Earth
magnetic field can affect the results).
An optional Mu-metal shield is provided to guarantee the reduction
of external influences to negligible levels, that permits accurate
measurement of Hc lower than few A/m.
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