B-H Analyzer, SY-8258

The SY-8258 is an instrument for measuring the AC magnetic characteristics of soft magnetic materials. This instrument is ideal for new product development and product inspection carried out by the R&D, QA, and manufacturing departments of materials, core, component, and equipment manufacturers. The SY-8258 is recommended for customers who have already purchased previous models such as the SY-8232/SY-8217 and plan to purchase a second B-H analyzer. In addition to conventional B-H/Pc measurement, the new SY-8258 also integrates μ/L/Q measurement functions.

Front view of SY-8258, B-H Analyzer

Features

  • Wide measurement frequency bandwidth of 50 Hz to 1 MHz to meet new product development and product inspection requirements.
  • Easy measurement due to built-in measurement conditions based on IEC and JIS standards (conditions can also be manually set).
  • Wider range of magnetic field detection and magnetic flux density detection sensitivities. Range extends from measuring the initial permeability of an alternating current to measuring large-scale samples.
  • μ/L/Q measurement function
  • Built-in LAN interface optionally available for reading out measurement results via a network.
  • 640 x 240 color LCD enables high-resolution display of major parameters.
  • Small and lightweight (2/3 volume of conventional Iwatsu B-H analyzers)

Front Screens

Pc measurement display example

Screen Dump: Pc measurement display example

Condition setting example

Screen Dump: Condition setting example

Specification

Measurement methodCross-power spectrum method (complying with IEC62044-3)
Measurement modesBs, Pc, B-H, and μ measurement
Measurement itemsCharacteristics valuesSaturation magnetic flux density (Bs), coercive force (Hc), residual magnetic flux density (Br), square ratio (Br/Bm), core loss (Pc, Pcv, Pcm), amplitude permeability (ma), phase angle (q), AC initial permeability (miac), inductance (L), Q-factor (Q), [Unit: SI]
WaveformsB-H curve and excitation current/inducing voltage/magnetic field/flux density waveforms
Measurement (excitation) frequency50 Hz to 1 MHz, within ±0.1%
Oscillator output±3.0 V max.
Magnetic field detectionVoltage drop across two ends of non-inductive resistor (1 ohm ±1%, incorporated in POD) ±5 mA/full-scale to ±5 A/full-scale  
Magnetic flux detectionDetection of voltage (induced voltage) across two ends of detection coil ±5 mV/full-scale to ±200 V/full-scale
Digitizer resolution14 bits
Sample connection method2-coil method (excitation coil, detection coil) or 1-coil method (common excitation/detection coil)
Measurement accuracyConditions: Standard pod used, temperature held constantly within +23°C ±5°C after preheating for 1 hour following calibration H, B amplitude measurement: Typical accuracy of within ±3% (80% of range used; range = 50 mA/50 mV or higher) Phase measurement: Typical accuracy of within ±0.15° (80% of range used; range = 50 mA/50 mV or higher) Note that the measurement accuracy may differ depending on the characteristics of the sample and the measurement conditions.
Measurement timeApprox. 3 seconds (with measurement frequency of 1 kHz or higher and tolerance of ±5% or more)
Display methodColor LCD (640 x 240 dots) with backlight
Power supply100 to 120 V/200 to 240 V AC (selected automatically), 50/60 Hz, power consumption = approx. 150 VA max.
Weight and dimensionsMain unit: Approx. 15 kg, 430 (w) x 177 (h) x 480 (l) ±2 mm each (excluding pod)
EnvironmentPerformance-guaranteed temperature range: +18°C to +28°C Operating range: +5°C to +35°C, humidity: 85% RH (+35°C) or less  
Preheating timeThe performance of the instrument is guaranteed when the instrument is held at a constant temperature (±1°C) within the performance-guaranteed temperature range following preheating of at least 60 minutes after power is applied.
OtherOptional extras: Built-in LAN interface, built-in GPIB interface, built-in printer
Provided accessoriesPower supply cable x 1, SMA-BNC cable x 1, instruction manual x 1