NDT Equipment, Automatic Eddy Current Testing System
Negotiable /Set
Min.Order:1 Set
Xiamen Idea Electronic Technology Co., Ltd.
About the Eddy Current Technology
Eddy Current method is based on the principle of measuring changes in the impedance of a electromagnetic coil as it is scanned over a surface of conductive material.
The test is performed by a electromagnetic coil that is placed over a conductive material. The coil produces a magnetic field that is induced in the material.
To counter the coil's primary magnetic field, eddy currents are produced in the material. Eddy currents produce a secondary magnetic field to oppose the coil's primary magnetic field.
When the coil is scanned over a defect, the secondary magnetic field is distorted thereby changing the loading on coil. Changes in coil loading directly affect the coil impedance.
These changes in coil impedance are related to the defect.Flaw detection with eddy currents is limited to the penetration depth. Penetration depth is inversely proportional to
the square root of conductivity, frequency and permeability. For most applications, the penetration depth in non-ferromagnetic material is limited to approximately 5 mm (0.20 inches).
In case of ferromagnetic materials, such as carbon steel, the penetration depth is extremely shallow because of high permeability. Inspection of ferromagnetic material is therefore limited
to surface flaws only.
Automatic Eddy Current Testing System
Adopting the most advanced integrated circuit, eddy current technology, photovoltaic technology and microprocessor technology, and equipped with
the delicate and elegant mechanical transmission device, it makes the IDEA most distinguishable as the exclusive domestic supplier with the complete
set of the full-automatic testing devices. With the software coded by the WINDOWS operating platform, it’s easier and more intelligent for the instrument operating. And the eddy current testing system is specially applied to the high-speed on-line detecting of metal tubes, bars, wires and other material.
With a wide frequency of 10Hz to 10MHz, the intelligent digital eddy current testing instrument is capable to meet various metal tubes testing requirements.
And the unique alarm modes, fast digital/electronic self-balance and the adoption of full-digital technology enable us to establish various testing standards
for the different size material detecting.The intelligent digital eddy current detectors can be equipped with the through coil or other type coils
( it all depends to your special testing requirements). (Notice: there is no strict coupling gap requirement towards the through coils). Besides,
for automatic on-line detecting of the metal tubes, bars wires and other workpieces, the fittings as high-precision delayed marking electronic modules,
saturator and easy operating marking machine an probe holders are all required.
Application:
Metal tubes, bars, wires, plates, etc.
Complied with the following standards:
GB ASTM API EN JISG JB ISO MH JG YB