CIRCOFLUX DA

AC field leakage test of ferromagnetic steel bars

Effectiveness meets highest precision. Precision is our strength, as the CIRCOFLUX sensor systems with rotating probes reliably detect small surface defects of 0.1 mm or greater. Due to the alternating field magnetization, an additional demagnetization is not necessary.

The three available sensor systems cover a material diameter from 10 – 220 mm. This makes them suitable for a wide range of test tasks and ensure maximum effectiveness of AC flux leakage testing with throughput speeds of up to 4 m/s.

With the CIRCOFLUX evaluation electronic equipment by FOERSTER, you are guaranteed to achieve reproducible crack detection for hot rolled ferromagnetic steel bars thanks to the automatic adjustment processes. Integrated diagnostic functions ensure accurate automatic test results as well as high-precision testing of the surface of black materials for longitudinal defects. The unit is operated via an intuitive and modern touchscreen in the popular FOERSTER design.

Product highlights

Your advantages at a glance

  • Maximum detection sensitivity of defects: from 0.1 mm depth on ferromagnetic rods with hot-rolled surface
  • Test material diameter: from 10 – 220 mm
  • Central adjustment to the test diameter minimizes the risk of adjustment errors
  • Automatic dimensions adjustment: reduces setting up time and increases productivity
  • Standardized hardware and software for all FOERSTER test instruments simplifies the handling
  • Easy operation using modern touchscreen display
  • Network integration in existing production and quality systems
  • Integrated diagnostic and documentation function for compiling your test results
  • Relational database for high data integrity and open port to other applications

Technical information

Sensor system: Rotating sensor system with two opposite test heads
Max. number of measurement channels: 80
Max. throughput speed: 4 m/s
Magnetizing current frequency: 7,5 kHz
Defect size: depth 0,15mm × width 0,15 mm
Diameter ranges: 10 – 75 mm (Ro 75); 10 – 140 mm (Ro 140); 20 – 220 mm (Ro 220)
Setting time (with roller guide) approx. 3 minutes
Maximum rotational speeds: 1700 rpm (Ro 75); 1500 rpm (Ro 140); 960 (Ro 220)
Maximum throughput speed: up to 4 m/s depending on the sensor system

Downloads

Flyer CIRCOFLUX DA sensor system Ro 140 — 236 KB High-precision testing of ferromagnetic steel bars for longitudinal crack-like defects