Here are some simple methods to help you determine the authenticity of an ultrasonic flaw detector:
1. When the probe is disconnected, set the gain to its maximum level. The waveform on the screen should not exceed 10% of the display. If it does, the instrument is likely faulty or counterfeit.
2. To check the vertical linearity of the ultrasonic flaw detector, use a standard test block and observe if the signal amplitude remains consistent across different gain settings. This ensures the device accurately reflects defect sizes.
3. Some performance indicators require specialized test blocks for verification. It's strongly recommended that new instruments be sent to a provincial metrology testing center for official certification. This helps avoid purchasing substandard equipment that could lead to serious consequences.
4. Be cautious of ultrasonic flaw detectors that are priced extremely low. Quality equipment typically comes at a reasonable cost, and unusually cheap devices may be fake or poorly made.
5. Pay attention to the manufacturing process and the certification documents provided by the manufacturer. Ultrasound testing usually requires trained professionals. Ensure that the device meets industry standards and has proper documentation.
Using an unqualified ultrasonic flaw detector can have severe consequences. Since this type of non-destructive testing is often used for quality control or safety inspections, faulty equipment could lead to quality failures or even endanger lives. Saving a few dollars on a substandard instrument might result in far greater losses down the line.
We strongly condemn counterfeiters and encourage technological advancement to protect consumers. If a major accident occurs due to faulty equipment, it could ruin your business, your family, and even put people’s lives at risk. Always prioritize safety and reliability when choosing testing equipment.
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