Specifications
Measurement modes
Core loss measurement: Frequency (f) or maximum magnetic flux density (Bm) can be varied.
B-H curve measurement: Frequency (f) or maximum magnetic field (Hm) canbe varied.
Permeability measurement: Frequency (f) can be varied.
Measured items
Core loss measurement: Max. magnetic flux density (Bm), residual magnetic
flux density (Br), max. magnetic field (Hm), coercive force (Hc), core
loss (Pc, Pcv, Pcm), phase (
q), amplitude permeability (£ga), hysteresisloss (Ph), eddy-current loss (Pe).
B-H curve measurement: Max. magnetic flux density (Bm), residual magnetic
flux density (Br), max. magnetic field (Hm), coercive force (Hc), core
loss (Pc, Pcv, Pcm), phase (
q), amplitude permeability (£ga),differential permeability (£gdiff), square ratio (Br/Bm), total magnetic flux change (2
f m)Permeability measurement: Max. magnetic flux density (Bm), max. magnetic
field (Hm), core loss (Pc), phase (
q), amplitude permeability (£ga),inductance (L), complex permeability (£g¡¦, £g¡¨).
Operation modes
Single: One measurement step with one operation.
Continuous: Up to 12-step preset schedules (frequencies or amplitudes) can
be measured continuously with one operation.
Set frequency
10 Hz (optionally 1 Hz) to 10 MHz, 2 digits effective
Accuracy: ¡Ó0.1% for the set value.
Measurement accuracy (23¢XC ¡Ó5¢XC )*
H amplitude measurement (dH):
B amplitude measurement (dB):
Phase accuracy (d
q):When an EI core FE122 is measured with the above combination, the following measurements are available.
At 1 MHz, max. 100 mT (millitesla): Windings = 5.
At 3 MHz, max. 50 mT (millitesla): Windings = 3.
Excitation section
Output voltage ¡Ó50 V max., output current ¡Ó1 A max. ( 1.1 kHz) or ¡Ó4 A
max. (10 Hz (optionally 1 Hz) to 1 kHz).
Output impedance 1
? + 0.1 £gH, output power 25 VA.Detection section (standard)
Excitation current detection
System: Voltage drop across two ends of non-inductive
resistance.
Detection sensitivity: ¡Ó50 mA to ¡Ó5 A (1-2-5 steps)
Frequency bandwidth: DC to 100 MHz
Magnetic flux detection
System: Detection of voltage (induced voltage) across
two ends of detection coil.
Detection sensitivity: ¡Ó50 mA to ¡Ó50 V (1-2-5 steps)
Frequency bandwidth: DC to 100 MHz
Storage section
Sampling rate: 512 times the set frequency (synchronized with
the built-in oscillator).
Resolution: 16 bits
Display section
System: 9-inch color CRT
Contents: Measuring condition, characteristic values, B-H
curve, characteristic graphs
Printer (Built-in)
Heat-sensitive dot line system. Paper width approx. 112 mm, printing time no
more than approx. 5 sec.
External interface
GP-IB interface
Power supply
100 V AC (90 ~ 132 V) or 200 V AC (180 ¡V 250 V) models.
Approx. 800 W (100 V AC)
Dimensions & weight
Main unit: Approx. 420W x 350H x 520L mm (excluding the pod),
approx. 34 kg (SY-8232 mainframe + SY-301 measurement unit)
Environment
Operating temperatures +5¢XC to +35¢XC (+10¢XC to +30¢XC when the printer is
used)
Performance guaranteed temperatures
+18¢XC to +28¢XC
Provided accessories
SY-921 measurement pod (1 set), power cords (2), connection cables (1 set),
estimation samples (1 set), adapters for calibration (1 set), Thermal paper (2
rolls), fuses (4), instruction manual (1), dust cover (1), accessory case (1).
Measurement time
Approx. 3 sec./step (when the measured frequency is 1 kHz or more)
Oscillating section
Oscillation frequency: 10 Hz to 10 MHz, sine wave
Output voltage/resistance: 0 to ¡Ó2.5 V/50
?Built-in excitation control in 3 steps of approximate value, asymptotic and
demagnetization.
VF ¡Ó(2% + 0.2% x ( ¡V 1))**
Vr
VF IF ¡Ó(0.15¢X + 0.07¢X x ( + ¡V 2) + 0.02¢X)**
Vr Ir
IF ¡Ó(2% + 0.2% x ( ¡V 1))**
Ir
* Defined as the basic accuracy. The
measurement accuracy may differ depending
on the D.U.T. and the measuring condition.
For details, please contact to Iwatsu.
** ¡P VF, IF : Amplitude of Full scale
¡P Vr, Ir : Amplitude of Reading
¡@