Application:
The COBE-ETG3XF digital eddy current test instrument adopts a large scale integrated circuit, combining the most advanced eddy current technology, optoelectronic technology and microprocessor control.
It can be used to carry out high speed detection of surface cracks, concealed cracks, blowhole, inclusions, and open cracks.
It can be specifically used for automatic system flaw detection of various non-ferrous metal, ferrous metal pipe, stick, wire, plate for flaw detection of seamless processes, weld processes, and internal thread processes of different shapes.

Parameters
Detection speed: 0-640m/min
Detection depth: 5-15mm, decided by the material of the workpiece to be detected
Detection channel: 2 (can be expanded according to requirements)
Frequency range: 50 Hz～10 MHz, which can be used to test different metal
Gain range: 0～99.0 dB continuously adjustable, stepping: 0.5 dB
Phase rotation: 0～359° continuously adjustable, stepping: 1 deg
Gain ratio: （X/Y）0.1～10.0
Digital filtering: low-pass frequency (0Hz ~ 2000Hz), high-pass frequency (0Hz ~ 2000Hz)
Delayed marking with fixed length: 0.01S/1MM precision
Time of auto balance: 1-1000 s, display mode: full line, hidden line
Blanking/display factor: 1~100
Power supply: 220V（－20％ ～ ＋20％） Power consumption: < 10W.

Functions
The digital eddy current test instrument has the following functions:
1. Adjustable probe drive (stimulus) level: 1~8, multi-function detection in the true sense
2. Rapid digital/analog electrical equilibrium
3. Alarm range set of unequal amplitude, asymmetric phase
4. Various display modes: impedance, time base
5. Delayed hardware output alarm, real-time hardware output alarm
6. Sound and light alarm output
7. Optional internal clock and external clock
8. Terminal signal cutting
9. Large storage of various detection procedures and testing data
10. Playback and expanding function of eddy current signal such as amplitude, phase, and values of the defects detected.
11. It can automatically record and show the number and position of defects.
12. It can form a detection report including information such as test amount, acceptance number and the number of disqualified.
13. Optional operating language: Chinese and English Online help
14. Optional background: Cartesian coordinate system and polar coordinate system
15. Automatic calendar, time display.