Ultrasonic Flaw Detector with Touch Screen

Packaged List

SISCO Ultrasonic Flaw Detector with Touch Screen User Manual.pdf

Q1: What is a flaw detector?
A1: A flaw detector is a device used to identify defects or imperfections in materials, structures, or components. It employs various non-destructive testing (NDT) techniques, such as ultrasound, eddy current, X-rays, or magnetic particle testing, to detect cracks, voids, or other irregularities. These methods help assess the internal and surface condition of materials, ensuring their quality and safety. Flaw detectors are widely used in industries like manufacturing, aerospace, and construction to improve product reliability and lifespan.

Q2: How does a flaw detector work?
A2: A flaw detector works by using non-destructive testing (NDT) techniques to inspect materials for internal or surface defects. For example, in ultrasonic testing, the device emits high-frequency sound waves that travel through the material. If there’s a flaw, the waves will bounce back, and the detector measures the time it takes for the sound to return, indicating the size and location of the defect. In other methods, like eddy current testing, electromagnetic fields are used to detect irregularities. The data collected helps technicians identify weaknesses without damaging the material.

Q3: What are the limitations of UT?
A3: Ultrasonic Testing (UT) has several limitations. It requires good surface contact, so rough, corroded, or coated surfaces can affect the accuracy of results. UT may also struggle with very thin or extremely thick materials, as sound waves might not penetrate well enough. The effectiveness of UT depends heavily on the skill and experience of the technician, as improper interpretation can lead to false positives or missed defects. It’s also challenging for UT to detect flaws in complex geometries, like pipes with bends or hard-to-reach areas. Additionally, the technique is angle-sensitive, meaning incorrect alignment of the transducer can cause missed defects, particularly in irregularly shaped parts. Lastly, materials like composites or highly attenuating metals may not be suitable for UT, as sound waves may not propagate effectively through them.

Tips: Common Mistakes in Using Ultrasonic Flaw Detectors

Common operating errors with ultrasonic flaw detectors primarily include failing to calibrate the probe and instrument according to specifications, resulting in baseline deviation; neglecting workpiece surface cleanliness and couplant selection, which can affect sound wave transmission; over-reliance on preset parameters without adjusting sensitivity based on workpiece material and thickness; mistaking flaw waves for noise and making judgments without fully scanning. These errors can directly reduce detection accuracy and even lead to misjudgments.

Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.

What is covered?

SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.

What is not covered?

• Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
• Expendable parts.
• Routine cleaning or normal cosmetic and mechanical wear.
• Damage from misuse, abuse or neglect.
• Damage from use of parts other than SISCO approved.
• Damage from use outside the product’s usage or storage parameters.
• Damage from use of parts not sold by SISCO.
• Damage from modification or incorporation into other products.
• Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
• Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.