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 may be faulty or counterfeit.
2. To check the vertical linearity of the ultrasonic flaw detector, use a standard reference block and compare the results with the manufacturer's specifications. This ensures that the device can accurately represent the amplitude of signals.
3. Some performance indicators require specialized test blocks for accurate evaluation. It’s highly recommended to send a new instrument to a provincial metrology testing station for verification, especially if you're unsure about its quality. This helps avoid being deceived by fake or substandard products.
4. Be cautious of ultrasonic flaw detectors that are priced significantly lower than market standards. Extremely low prices often indicate poor quality or counterfeit devices.
5. Pay attention to the manufacturing process and certification documents. Ultrasonic testing requires professional training and proper qualifications. Only trained personnel should operate such equipment to ensure accuracy and safety.
Using an unqualified ultrasonic flaw detector can lead to serious consequences. Since this type of non-destructive testing is commonly used for quality control or safety inspections, errors could result in quality failures, structural damage, or even endanger lives. Saving a little money now could lead to much greater losses later. We strongly condemn counterfeiters and encourage technological development that prioritizes safety over profit. In the event of a major accident, it could ruin your family and lead to legal trouble. Always choose reliable equipment and professionals to protect yourself and others.
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