Soft Magnetic Materials AC Measuring Device

Advanced Dynamic Analysis for Soft Magnetic Materials

The DX-2012SA is a fully automated system designed for precision evaluation of soft magnetic materials under alternating current (AC) conditions. It dynamically captures critical parameters such as AC hysteresis loops, magnetization curves, and loss curves, while quantifying performance metrics including remanence (Br), coercivity (Hc), total specific loss (Ps), amplitude permeability (μa), and more. Ideal for R&D, quality assurance, and industrial applications, it ensures reliable material characterization for ferrites, permalloys, amorphous alloys, and nanocrystalline materials.

Adheres to global standards:

• National: GB 5026-85, GB 3658-90, GB/T 9632.1-2002, SJ/T 10281-91
• International: IEC 60367-1, IEC 60404-6

     Certified accuracy guarantees globally comparable results.

• Digital Integration: Replaces analog bridges and meters with computer-controlled A/D sampling, minimizing human error.
• Automated Workflow: Streamlines testing via intelligent software, eliminating manual adjustments.
• Real-Time Feedback: Digital locking ensures ±0.5% precision in magnetic field and induction measurements.

Sample Compatibility

• Materials: Ferrites, permalloys, amorphous, nanocrystalline.
• Shapes: Rings, E/U-cores, and closed-loop geometries.
• Direct Winding: Enables transformer-style testing for closed-circuit samples without additional fixtures.

• Non-Inductive Resistors: Measures excitation current via voltage drop, reducing electromagnetic interference.
• Dual-Peak Locking: 0.5% accuracy for magnetic field (H) and induction (B) peaks.
• Multi-Frequency Range: Configurable frequencies from 1 kHz to 500 kHz (customizable).

• Integrated Design: Combines power supply, amplifiers, and interfaces in a compact unit.
• High-Speed Connectivity: RS232 interface and dual voltage alarms linked to A/D cards for rapid data transfer.

• OS Support: Windows XP/7/8/10.
• Real-Time Visualization: Displays I(t), U(t), B(t) waveforms and B(H) loops with coordinate tracking.
• Batch Testing: Automated multi-point analysis (up to 255 points) at 12 seconds per test.
• Data Management: Export results to Excel, store in databases, and compare curves across conditions.

• Customizable Reports: Generate JPG/print-ready reports with curves, parameters, and user-defined headers.
• Pass/Fail Judgment: Color-coded tables highlight results against preset thresholds.
• Multi-Unit Support: Flexible unit systems for global compatibility.

• User-Friendly Interface: Intuitive controls and automated calibration reduce training time.
• Efficiency: Continuous testing and cluster curve displays accelerate analysis.
• Scalability: Customizable frequency ranges and test plans adapt to diverse research needs.

Applications: Material research, transformer/core design, energy efficiency optimization, and industrial quality control.

Software Screen of AC Hysteresis Graph (DX-2012SA)

Sampled waveform (U-I-B)

BH hysteresis loop cluster

Question 1: What are the main technical indicators of Soft Magnetic Materials AC Measuring Device?

Answer: 

Measurement frequency: It covers a wide range from low to high frequencies, such as 3Hz to 20kHz (1Hz intervals) or even up to 1MHz (depending on the model).

Magnetic field strength: adjustable range from 2A/m to 30000A/m.

Magnetization intensity: supports the measurement range from J=10mT to 2T (B=2.2T).

Measurement accuracy: Within a certain frequency range, such as 20Hz to 200kHz, the relative uncertainty Urel of Ps can reach 1.5% (k=2).

Question 2: How does the AC measurement device for soft magnetic materials ensure the accuracy and reliability of data during the measurement process?

Answer:

Adopt advanced measurement technology: The device may use AMR digital processing technology and A/D (D/A) data acquisition technology.

Digital feedback locking technology: Digital feedback locking technology achieves high-precision locking and measurement when measuring magnetic fields and magnetic induction.

Power protection function: The device has over-current and over-voltage protection functions.

Question 3: What is the performance of the AC measuring device for soft magnetic materials in terms of measurement uncertainty?

Answer:

In a specific frequency range (such as 20Hz-200kHz), the measurement uncertainty is usually low. For example, the relative uncertainty Urel may reach 1.5% (k=2) or lower (depending on the device model and calibration status).