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In modern industrial manufacturing, eddy current testing technology has become an important tool for ensuring the surface quality of forged steel rolls. Eddy current roll surface detection is based on...
In the field of parts crack and grinding burn detection, the multi-frequency and multi-filter technology developed by BKN is a great breakthrough in the field of global eddy current technology. It has the following characteristics: the abnormal alarm function of probe, mechanical failure and operation error may cause the damage of probe. If the damaged probe continues to be used, it will cause serious missed detection. The multi-frequency and multi-filter eddy current flaw detector can self-check the probe in real time. If the probe is damaged, the operator will be prompted immediately in a striking way to avoid malfunction.
In the field of parts crack and grinding burn detection, the multi-frequency and multi-filter technology developed by BKN is a great breakthrough in the field of global eddy current technology. It has the following characteristics:
Probe abnormal alarm function, mechanical failure and operation error may cause damage to the probe. If the damaged probe continues to be used, it will cause serious missed detection. The multi-frequency multi-filter eddy current flaw detector can perform self-test on the probe in real time. If the probe is found to be damaged, the operator will be prompted in a conspicuous manner to avoid malfunction.
Probe exponential function. The detection performance depends largely on the quality of the probe and the rationality of the installation of the probe. We use a unique algorithm to synthesize the parameters of the probe, and create the concept of "probe index", which reflects the comprehensive performance of the probe, and to a large extent guides the debuggers, so that they can follow the rules when adjusting the flaw detection, and greatly reduces the adjustment time.
Independent of computer work, multi-frequency and multi-filter eddy current flaw detector adopts modern advanced electronic technology and fully digital design. At present, other flaw detectors rely on one or more computers for data processing, highly dependent on computers. The disadvantages of this method are: instrumentation stability is poor, the quality and service of equipment depends heavily on third parties, large volume, poor substitution. Our new generation of flaw detector adopts advanced DSP and FPGA technology. This eddy current testing machine has complete flaw detection functions such as data acquisition, data analysis, alarm analysis and so on. It can work completely without the computer. The computer used by the instrument is only used as a man-machine interface, so the requirement for the computer is greatly reduced, and the replacement and maintenance are more convenient.
Detection speed | 1～1200m/min(online) |
frequency range | 10Hz～10MHz |
gain | 0～99dB，step size 0.1dB |
Phase rotation | 0~360° step 1 ° |
Impedance range | 5 files can be adjusted |
sampling rate | 1～200000SPS adjustable |
Probe driving | 1%~100% adjustable |
Low pass | 1Hz～10000Hz |
high pass | 0.1Hz～650Hz |
Multi-filter | have |
| Synchronized alarm output controlled by internal and external clock |
| High-precision end and end-to-tail signal removal |
| High Precision Real-time and Delayed Alarm Output |
| Fast Digital/Analog Electronic Balance |
| Delayed Hidden Removal Function with Memory Trajectory |
| Real-time impedance plane display |
| The instrument can match any probe. |
| Remote Automatic Help System |
| Man-machine interface in Chinese and English |
| Computer Full Digital Parameter Adjustment |
| Non-equal Amplitude Phase/Amplitude Alarm Domain |
Synchronized alarm output controlled by an internal and external clock |
High-precision end and end-to-tail signal removal |
High Precision Real-time and Delayed Alarm Output |
Fast Digital/Analog Electronic Balance |
Delayed Hidden Removal Function with Memory Trajectory |
Real-time impedance plane display |
The instrument can match any probe. |
Remote Automatic Help System |
The man-machine interface in Chinese and English |
Computer Full Digital Parameter Adjustment |
Non-equal Amplitude Phase/Amplitude Alarm Domain |
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