For MATS-2010SD Testing
equipment/Hysteresis measurement, automatic measurement on basic
magnetization curve and magnetic hysteresis loop under static state of
soft magnetic material, accurate measurement on static magnetic
characteristic parameters such as initial permeability μi, maximum
permeability μm, saturation magnetic induction Bs, remanence Br, coercive
Hc and hysteresis losses Pu.
Windows measurement software applied
simply. It conforms to China National Standards GB 3656-83, GB 3657-83,
GB/T 13012-91, GJB 937-90, industry standard SJ/T 10281-91 and
international standard IEC 60404-4, IEC 404-7.
In accordance with
measuring principle of ballistic method, combine computer control
technology, A/D and D/A, replace conventional ballistic galvanometer with
electronic integrator, realize analog ballistic method measurement under
microcomputer control, can completely eliminate non-instant error caused
by ballistic galvanometer in classical ballistic method, with high
measurement accuracy, fast speed and good repeatability, can eliminate the
influence of various artificial factors, and supply reliable basis for
research on material magnetization process.
|
General Features:
Testing sample varieties: soft magnetic ferrite, permalloy,
amorphous, nano crystal, iron dust core, electrician ferrite and stalloy.
·Testing
sample shapes: toroid, E and U closing samples, and strip (bar) and chip open
samples.
·Closing
sample direct winding measurement: sample, magnetizing coil (N1) and measuring
coil (N2) form a no-load transformer.
·Measure
magnetic field intensity through measuring magnetizing current, magnetic field
lock precision as high as 0.1%.
·Adopt
electronic integrator to measure magnetic induction, zero drift of integrator
can be self-corrected through software.
·Solenoid
or permeameter shall be equipped to measure open samples, the inner field can be
measured by the magnetic potentiometer
inside.
·Testing
method: analog ballistic method and magnetic field sweep.
·Adopt
analog ballistic method to measure basic magnetization curve, can accurately
measure magnetic characteristic parameters on magnetization curve: μi, μm, Bs,
value μ of any point.
·Adopt
analog ballistic method and magnetic field sweep to measure saturation
hysteresis loop, can accurately measure magnetic characteristic parameters on
hysteresis loop: Bs, Br, Hc and Pu. Special explanation: analog ballistic method to measure hysteresis
loop is an exclusive measuring method of our company, can greatly improve the
accuracy of Hc and Br.
·Automatic
demagnetization function before μi testing, 10 Hz AC saturation demagnetization
adopted.
·Select
to test single parameter with analog ballistic method to save time, the time of
every testing point can be set from 0.1 second to 0.9
second.
·Adopt
the B speed feedback, it can automatic regulate the density with the shape of
sample magnetic characteristic curve, and curve
can also be tested according to the testing point predefined by
users.
·Powerful
software functions with minimal technical requirements for testing staff.
System Specifications
Adopt ballistic method measurement, technical indices as follows:
| Parameters
measured |
Bs (%) |
Br (%) |
Hc (%) |
Pu (%) |
μ m (%) |
μ i (%) |
| Uncertainty (k = 2) |
1 |
1 |
1.5 |
1 |
2 |
5 |
| Repeatability (constant
temperature) |
± 0.5 |
± 0.5 |
± 0.5 |
± 0.5 |
± 1 |
± 3 |
When testing hysteresis loop with scanning method, H and B measuring errors
can be estimated as:
B: 1% + 1/2 LSB
H: 1% + 1/2 LSB
Instrument Specifications
| MATS - 2010SD Static Hysteresisgraph |
|
PC6616
A/D D/A Card |
Output
Voltage: 0 ~ ±35 V
Output Current: 0.01 mA ~ 10
A
Current Range: 1 mA, 2 mA, 5 mA, 10 mA, 20 mA, 50
mA, 100 mA, 200
mA,
500 mA, 1 A, 2 A, 5 A, 10 A total 13 automatic
ranges
Stability: superior to
0.05%
Flux Range: 0.25, 0.5, 1, 2, 5, 10, 20 mWb,
total seven automatic ranges
Sensitivity: 0.05 μWb
(ballistic
method)
0.1 μWb (magnetic field sweep) |
A / D
Conversion: 16 bits, 16 channels
Conversion
Time: < 10 μs
Conversion Accuracy: 0.02% (full
range)
D/A Conversion: 12 bits, 2
channels
Conversion Accuracy: 0.1% (full
range)
Bus Structure: PCI
busbar |
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