Best Eddy Current Testing in Saudi and UAE - Eiwaa Group

Eddy Current Inspection is one of several NDT methods using the principle of electromagnetism to conduct examinations. Other methods, such as remote field testing (RFT), flux leakage also use this principle.

Eddy Current Testing is completed through a process called electromagnetic induction. When alternating current is applied to the conductor, such as copper wire, a magnetic field develops in and around the conductor. This magnetic field expands as the alternating current rises to maximum and then collapses as the current is reduced to zero. When another electrical conductor is positioned in close proximity with this changing magnetic field, current will be induced into this second conductor. Eddy currents are induced electrical currents that flow in a circular path. Current testing takes its name from Eddies, which are formed when a liquid or gas flows in a circular path around obstacles under the right conditions.

ID probes, also referred to as Bobbin probes or feed-through probes, are inserted into pipelines or tubing to inspect from the inside out. ID probes have a housing that keeps the probe centred in the product and maintains the orientation of the coil(s) constant relative to the test surface. The coils are most commonly wound around the circumference of the probe so the probe inspects an area around the entire circumference of the test object in one go.

 

Eiwaa Group five NDT inspection methods for heat-exchanger tubing systems:

Choosing the appropriate NDT inspection method for equipment depends on the tubing’s material and the specific NDT inspection needs. All of our inspectors are trained to use each technique so they can perform complementary NDT inspections to provide a comprehensive service.

 

The key difference to the services provided by Eiwaa Group is the high level of training received by our NDT technicians, who work efficiently and report quickly.

 

Our NDT personnel are unique in the industry:

1.A two-person team to perform the inspection

2.An additional technician to analyse results on-site

3.As a result, we can typically provide:

4.An initial report on the day of inspection

5.A final report that is delivered in days, not weeks

6.Reports are only useful when the customer understands them fully. 

Eiwaa Group ensures our clients understand our reports by:

1.Explaining the initial reports on the day of inspection

2.Providing a timeline for final report delivery

3.Conducting an exit interview to answer all questions

4.The goal at Eiwaa Group is to provide excellent service and go beyond the industry standard.

Eddy current testing can be deployed in any sector that uses heat-transfer systems, including the petrochemical, power generation, industrial air-conditioning and commercial heating-unit industry sectors.

Eddy Current Training (ECT)

Eddy current testing equipment performs three basic functions: generating, receiving, and displaying. The generating portion of the unit provides an alternating current to the test coil creating eddy currents through a process called electromagnetic induction. The receiving section measures impedance and processes the signal from the test coil to the required form and amplitude for display. Instrument outputs or displays consist of a variety of visual, audible, storage, or transfer techniques utilizing meters, video displays, chart recorders, alarms, magnetic tape, computers, and electrical or electronic relays.

One of the major advantages of eddy current as an NDT tool is the variety of inspections and measurements that can be performed. This inspection method is sensitive to small surface cracks, pits, subsurface cracks, corrosion on inner surfaces, and other flaws and is used to inspect parts of complex shape and size. ET gives immediate results and is widely used within the commercial, military, petrochemical, aircraft and aerospace industries. In the proper circumstances, eddy current can also be used for material or coating thickness measurements, heat damage detection, and conductivity measurements for material and alloy identification.

For more details visit our website: Eddy Current testing 

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