By emitting ultrasonic waves, the Gold Test can check whether a sample has a nucleus and compensate for known impurities.
The Gold Test allows you to check whether gold ingots or coins are real.
By emitting ultrasonic waves, the Gold Test can check whether a sample has a nucleus and compensate for known impurities.
The equipment emits ultrasonic waves that penetrate the object, are reflected on the opposite surface and are recorded again by the sensor.