Different materials can be exchanged easily in a quick release socket. Weldscan probes detect surfacebreaking fatigue cracks through nonconductive surface coatings up to 2 mm. In this technique, the probe is excited with an alternating current, inducing eddy currents in the part under inspection. Probes must be mounted to avoid interaction between the sensing field and the mounting hardware. Realtime collaboration with remote experts allows fast and accurate indication confirmation.
The type of testing performed, using comprehensive throughtype coils or rotating probes, depends on the type of defect. Designed for general surface crack detection, these probes are. Eddy current probe catalog introduction 6 every section in this probe catalog begins with a short description of the different eddy current products available. It has been designed to make the inspection of fastener holes accurate and quick. Xprobe and cxb array probes to quickly find and characterize all flaws. Eddy current testing also commonly seen as eddy current testing and ect is one of many electromagnetic testing methods used in nondestructive testing ndt making use of electromagnetic induction to detect and characterize surface and subsurface flaws in conductive materials. Probes can be designed to detect a specific type of flaw or to follow the shape of the part being inspec. Ge recently hosted a webinar about advanced eddy current weld inspection. All specifications are subject to change without notice. All brands are trademarks or registered trademarks of their respective owners and third party entities. As discussed in the previous pages, probes can contain one or more coils, a core and shielding. Weldscan is the trade name of ge hocking range of probes dedicated to this task. Ge mentor em eddy current ndt power test equipment. With the new tx series, eddylab is introducing a fully digital device incorporating usb, can and a highspeed analogue interface.
Welcome to the premier industrial source for probes. The ferrite core coils wound for this study are small but typical of the sizes commonly used in commercially manufactured eddy current probes. Inspection technologies array probe and powerful layerbylayer. Description there are national and international standards as well as guidelines by manufacturers and operators that specify minimum requirements for inspection systems used for many applications. The most important feature in eddy current testing is the way in which the eddy currents are induced and detected in the material under test. Olympus also offers custom probe designs to meet specific inspection requirements. We offer a wide range of standard eddy current probes and coils for a complete range of eddy current instruments. Aerofab ndt eddy current probes and accessories jwj ndt. If you cannot find a probe or accessory to meet your inspection requirements, please contact your local. Eddy current probe sensitivity as a function of coil. Note that cracks must interrupt the surface eddy current flow to be detected. Pdf eddy current probes based on magnetoresistive array. Dynamic rotating rigid probe with stainless steel housing for bolt holes testing coils are positioned at right angles to the probe shaft length, differential unshielded shielded details eddy current probes read more. Pdf the improvement of flaw detection by the configuration of.
This section gives a short description on how to build a probe part number. Success of eddy current testing for a specific inspection applcation depends on sensor, instrument and optimisation of test parameters. A complete line of eddy current probes to choose from. Reading the signals, however, is a complex task that often requires years of expertise with the instrument. Eddy current testing ect as a technique for testing finds its roots in electromagnetism. Bahr, novel eddy current probe development, sri international report afwaltr814159 to air force wright aeronautical laboratories, wrightpatterson afb. Jet testing method brings inspectors to the cloud ge reports. The pulsec offers pec pulsed eddy current technology in a compact. We manufacture eddy current probes, cables, adapters, standards, and specialized kits to meet our customers needs. Eddy current probe catalog ndts services provided to order. The ge mini drive unit is a small, lightweight, rotating eddy current probe drive and is used in conjunction with the probes on page 8. Ect began largely as a result of the english scientist michael faradays discovery of electromagnetic induction in 1831.
Individual eddy current probe heads are provided for larger test. Techna ndts countersink scanner eddy current probes include unirotor for multiple scanners, hocking mini rotor, nortec rechii rotor, and zetec rotor. Weldscan is an eddy current technique for detecting and sizing fatigue cracks in ferrous, nonferrous welds and steel structures. The eddy current inspection examines the entire rotor dovetail. We serve the needs of major manufacturers in the automotive, medical, and industrial markets. Eddy current, as well as a variety of related products and services. From custom kits to reference standards, eddy current to ultrasonic, their meticulous craftsmanship is put to the test by the biggest names in the aviation industry. Eddy current probes for crack and grinder burn detection. Eddy current probes are available in a large variety of shapes and sizes. An eddy probe system comprises a probe, a driver oscillator demodulator, and an extension cable. Ge eddy current probes and accessories eddy current testing is different from other nondestructive testing method in one important respect.
To view additional table columns, slide right side of table to the left. The test employs eddy current coil arrays on both sides of a specially designed probe, built to specific rotor dovetail dimensions, to. A wide variety of eddy current probes options are available to you, such as auto testing machine. Countersink scanner probes eddy current probes techna ndt. Ges mentor em eddy current ndt portable allows you to easily access ondevice workflow applications that efficiently guide the inspector while capturing electromagnetic eddy current inspection data. This paper is intended to provide information to help the user in selecting the right e. Each eddy current probe available from ndts has a unique code. Since 1968, zetec has manufactured over 10,000 different probe designs to meet the constantly changing needs of the nondestructive testing ndt market.
About the company staveley instruments is a us manufacturing company based in kennewick, washington producing a wide range of innovative ndt equipment and sensors. In fact, one of the major advantages of eddy current inspection is that probes can be custom designed for a wide variety of applications. Bahr, novel eddy current probe development, sri international report afwaltr814159 to air force wright aeronautical laboratories, wrightpatterson afb, oh 45433, december 1981. Probes standard and custom criterion ndt produces a wide variety of eddy current probes used for inspection of critical or essential components. Eddy current probe is the main link between the eddy current instrument and the component under test. Probe innovations improve inspection efficiencies with combo and high stability xprobes zetecs combination array and bobbin probes help save time and money. May 11, 2016 ge recently hosted a webinar about advanced eddy current weld inspection. Phasec 3 series phasec 3 using the ge weldscan range of probes, the. It is mounted through or to the side of a bearing cap and observes the shafts movement relative to its mounting position. Eddy current studies were conducted on the innerdiameter surface of piping using a zetec miz27si eddy current instrument and a zetec c z00008571 pluspoint spot probe with an operating frequency of. General purpose eddy current probe for detection of surface and near surface defects around protruding head fasteners and other structures in aircraft structures030. Olympus manufactures rd tech eca probes for a wide range of applications.
Reference standards should be used in every application and are available in many configurations and materials. Recently, ges inspection academy introduced the first course of its kind to train operators in industrial computed tomography ct. Defects change the flow of the current and alter the magnetic field. Ecndt is pleased to be a leader in the world market of nondestructive testing. At ecndt, our vision is providing technically superior products for all of our customers at competitive pricing. Phasec 3 series inspection technologies pdf catalogs.
Vector 2d inspection technologies pdf catalogs technical. Several eddy current probe types are available like standard probe, micro probe, xprobe, spherical xprobe, tprobe, multidifferential four core probe or phiprobe with trace width from 0. Eddy current probes are particularly suitable devices for noncontact measurements on metallic targets. Assessment of eddy current testing for the detection of.
This is the basis of eddy current testing, by monitoring the voltage across the coil in such an arrangement we can detect changes in the material of interest. Eddy current probes and application guide olympus ims. From detecting extremely small defects to inspecting nonflat surfaces and covering a wide area in a single pass. Eddy current testing is therefore inherently flexible. We are ready to help you find the exact probe you need to get the job done. This catalogue features the standard range of ge eddy current. Eddy current probes may be designed to match the contours of a part or shaped to fit into a fixture for fast and accurate inspections. Eddy current testing is different from other nondestructive testing method in one important respect. We offer more than 10,000 standard and custom designed eddy current probes, standard references, and accessories.
High sensitivity rotating alternating current field. General surface probes, aerospace probes, dedicated inspection probes and accessories. Eddy current sensors of the txseries stand out with an excellent dynamic range 100 ksas and resolutions in the submicron range. Eddy current probes based on magnetoresistive array sensors. This catalogue features the standard range of ge eddy current probes and accessories.
Straight shaft probe for subsurface flaws detection in the second layer, through the first layer with up to 1. For the rcs thruster inspection, important factors concerning the eddy current probe design include the use of one or more coils secondary coils as reference coils, coil orientations three different axial directions with respect to the cavity, coil dimension, and probe frequency 1 50 khz. Lets compare eddy current to lp for a shutdown at 250,000 barrel per day refinery for inspection of 10,000 welds. Any discontinuities or material property variations that change the eddy current flow in the part are detected as. Corrosion detection and measurement using eddy current methods. This section features many of the standard design probes that are available in a wide range of diameters, frequencies, and connector styles. Eddy probe systems have excellent frequency response. Additionally, custom design and manufactured probes can also be supplied. With this premise the eddy current sensor is suitable for general motion analysis and in automotive applications. Eddy current testing is different from other nondestructive testing methods in one important respect. Furthermore eddy current sensors are perfectly suited for the observation of dynamic events. For companies looking to achieve the most bang for their buck, eddy current testing saves money in the long run. We offer a wide selection of bobbin probes for quick tubing inspections. Apr 29, 2014 the probe generates a complimentary magnetic field that induces eddy current in parts made from conductive materials.
Its size allows inspections to be performed in confined space and the lightweight design helps prevent fatigue when a large. Lshaped probe for subsurface flaws detection in the second layer, through the first layer with up to 1. The test method can be optimally integrated in the production process. Ge mentor em eddy current flaw detector for sale, includes 2 modules, lightly used, still like new condition. Rohmann gmbh, germany is the manufacturer of eddy current probes and probe systems. We report the results of the first phase of a study designed to quantify the relationship between eddy current coil construction and the performance of these coils used in nondestructive evaluation nde inspections. The eddy probe is used to measure radial or axial shaft motion. The result is a on site calibration with an accuracy in the dimension of our laserinterferometric factory calibration. Optimization criterion the optimization criterion is to maximize the figures of merit s and d, given by auld 1. The probe generates a complimentary magnetic field that induces eddy current in parts made from conductive materials. Eddy current is an environmentally friendly and approved nondestructive testing ndt technique for weld inspection that complies with the isodin 17643 previously en 1711.
Eddy current testing is a nondestructive method for testing metal surfaces for defects such as longitudinal and transverse cracks. If there is a special probe you are looking for you will find it at ndt solutions, llc. Generator rotor dovetail inspection general electric. Eddy current application eddy current is a noncontact method used to inspect nonferromagnetic tubing. The eddy current sensor and the reference sensor are aligned accurately to each other. Eddy current inspection ge inspection technologies. Plus significantly reduce dose and radiation waste. If there is a probe you require that is not listed, please contact our consumables department as we would be happy to help with any enquiry.
Zetec eddy current surface array probes are specifically designed to solve the inspection challenges companies face everyday. Note that the bridge actually measures 6z fz and 6zt iz. In order to get the best results, it is vitally important to choose the optimum equipment for each task. The area within 3 probe diameters to the sides and 1,5 diameters behind should be kept clear of any metallic objects other than the object to be measured. Mar 09, 2016 ges inspection academy offers courses in the major ndt modalities, including ultrasonics, radiography, eddy current, and remote visual inspection. Olympus manufactures high quality cables and adaptors to fit with all eddy current probe models. Eddy current probes are classified by the configuration and mode of operation of the test coils. The company manufactures all the top names in ndt such as nortec, sonic, cpx160 xray and of course nortec eddy current probes and harisonic ultrasonic transducers. In order to get the best results, it is vitally important to choose. Eddy current inspection is one of todays most useful and essential modalities for nde. We can also design probe kits to meet your inspection needs and budget requirements. The companies featured in the following listing offer a comprehensive range of probes.