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Magnetic Measurements Ltd. UK |
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Model:
MMTD80 (80 sample) Thermal demagnetizer
Model:
The MMPM10 - Pulse magnetizer
Model
MM - Variable Field Translation Balance:
Model MMVFTB
The
new MMVFTB(E)
The
MMVFTB(S)
The
new Model MMPRD: Lightweight portable drill
Machine
Model:
MMLFC shielded room
Model
MM - Variable Field Translation Balance: Model
MMVFTB
This exciting new rock
magnetic instrument is not just a CURIE BALANCE
but an ultra sensitive variable field translation
balance (MMVFTB) that can perform many different
tasks. It can measure CURIE TEMPERATURES up
to 800 deg C, VARIABLE TEMPERATURE (-180 to
+800 deg C) IRM acquisition and BACK FIELD,
and VARIABLE TEMPERATURE (-180 to +800 deg
C) HYSTERESIS LOOPS and MAGNETIC SUSCEPTIBILITY
all fully automatically using our sophisticated
windows software.
It is an ideal instrument for research in
Rock Magnetism and Environmental Magnetism
and can measure weakly magnetic materials
(sandstone, limestone, loess, soil etc). See
the thermo-magnetic and hysteresis curves
of the same marine sediment consisting of
Calcareous Microfiossils. Diamagnetism dominates
the hysteresis curve at high magnetic fields.
A low field of 0.063 Tesla was used to obtain
the thermo-magnetic curve and reduce the diamagnetic
signal.
See also IRM acquisition curves at 15 and
300 deg C, a low field (0.063 T) thermomagnetic
curve, and hysteresis curves at 15 and 300
deg C
The MMVFTB can be supplied in 2 forms, Electromagnet
and Solenoid versions.
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