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. Olympus ndt is a leading global manufacturer of innovative nondestructive testing instruments that. N2820a 3 mhz50ua high sensitivity acdc current probe 2. Download the datasheet pdf to learn more or goto the product page.
The applied eddy current techniques probes and frequencies are shown intable 1 andfigure 6. Very low limit of 50 dbua from 30 hz to 20 khz means a sensitive probe such as 1 va or 0. With the new tx series, eddylab is introducing a fully digital device incorporating usb, can and a highspeed analogue interface. The eddy current probe figure 3 exhibits a peaktopeak level of electrical runout of 0. A wide variety of eddy current probes options are available to you, such as auto testing machine. Acdc current probe includes 9v battery, user manual, and 5 ft integral leads. Eddy probe systems have excellent frequency response. Zetec eddy current surface array probes are specifically designed to solve the inspection challenges companies face everyday. It has been designed to make the inspection of fastener holes accurate and quick. The ct6846 is a highprecision a acdc current probe that features a wide operating temperature range and large jaw diameter, making them ideal for evaluating the operational integrity of devices that are subject to extreme temperature ranges.
Electronic system for nondestructive testing using eddy. An eddy probe system comprises a probe, a driver oscillator demodulator, and an extension cable. F3 64 current probe fischer custom communications, inc. The ct6846 is a highprecision a acdc current probe that features a wide operating temperature range and large jaw diameter, making them ideal for evaluating the operational integrity of devices that are subject to extreme. Array nuclear sg edf probes a combination x probe sax smx probe was created for the french market. 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. New aspects for remote field eddy current probe development. The waveform of the eddy current probe signal does have the same general shape as the lvdt signal but appears to lag the movement of the shaft. Eddy current is a noncontact method used to inspect nonferromagnetic tubing. This section gives a short description on how to build a probe part number. The n2820a 2channel current probe connects to two oscilloscope channels to provide simultaneous low and highgain views for wider dynamic range measurement, while the n2821a 1channel current probe provides one userselectable view at a time. Eddy current probes are classified by the configuration and mode of operation of the test coils. The development of remote field eddy current probes requires experience and expensive experiments.
The nprobe probe has to be activated on a pc from which it is possible to see capture all the traffic you are interested in. Selfnulling eddy current probe for surface and subsurface. Because eca technology is even faster and easier to use than traditional eddy current technology, it has become a more frequent choice for nondestructive pipeline evaluation in recent years. It is used in side channel analysis sca to measure the power consumption of a target with great sensivity. In this technique, the probe is excited with an alternating current, inducing eddy currents in the part under inspection.
The sensitivity of the pa677 current probe is multiplied times the number of loops in the jaws. Eddy current probe sensitivity as a function of coil. If the current magnitude is unknown, start with the highest range and work down until the appropriate range and resolution are reached. Cp030cp030a derating curve maximum input current vs. This feature allows the probe data to remain in tolerance longer by reducing wear. Pdf eddy current probes based on magnetoresistive array. The cracked sides of the test pieces root side were scanned. All four test pieces were tested with eddy current method. Reference standards should be used in every application and are available in many configurations and materials. 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. Dc current 30a accurate dcac current probe 1mdca high resolution on 4a dc range 0. Xprobe and cxb array probes to quickly find and characterize all flaws.
It is mounted through or to the side of a bearing cap and observes the shafts movement relative to its mounting position. The eddy probe is used to measure radial or axial shaft motion. We offer a wide selection of bobbin probes for quick tubing inspections. N2820a 3 mhz50ua high sensitivity acdc current probe 2ch. Cp03xcp03xa current probe operators manual teledyne lecroy. Keysight 1146a acdc current probe provides accurate display and measurement of currents from 100 ma to 100 a rms, dc to 100 khz, without breaking the. This probe has a small outer diameter, approximately 71 mm with an internal diameter of 32 mm. More details on probe cabling are available in our eddy current probe cabling considerations technote. This probe boasts zetecs array coil technology and a bobbin sax probe that has an electro magnet that can be turned on and off. Yes, eddy current technology has proved reliable in a number of sectors in addition to pipeline, from transportation to aerospace. N2820a21a highsensitivity, high dynamic range current. This catalogue features the standard range of ge eddy current probes and accessories. Each of these kits are designed to meet the needs of our customers and their business.
The current probe is inserted in the power supply line of a target and is capable of. The ct6700 is a highsensitivity current probe that offers a wide dc to 50 mhz bandwidth and 5a of continuous input, and applications include capturing transient current signals from switching power supplies, inverters, and motor controllers. The probes spo2210 and spo1958 include two parallel. Figure 1 the current probe used to pick up a power consumption signal. Eddy current probe catalog probe kits continued 8 to order. Eddy current probe catalog introduction 6 every section in this probe catalog begins with a short description of the different eddy current products available. Suitable for use with oscilloscopes, recorders and data loggers a. Any discontinuities or material property variations that change the eddy current flow in the part are detected as potential defects by the probe. Its size allows inspections to be performed in confined space and the lightweight design helps prevent fatigue when a large.
The windows probe can be installed on any server behind the firewall. It has an extremely small form factor for clipping on conductors in small spaces. Eddy current probes are particularly suitable devices for noncontact measurements on metallic targets. Dual element sliding probe absolute reflection this probe is designed to slide over rows of fasteners to detect flaws. It may also provide information about features and functions, applications and troubleshooting. A more detailed analysis 4 shows that the secondorder lift off is orthogonal to the firstorder liftoff and, therefore, has a component in the signal channel. In these pages, we have included useful information to help you make the ri. The selection of the right eddy current probe is of great importance in the success of your inspection. Hioki acdc clamp sensors are bestinclass current sensors for use with power meters, memory hicorders and high performance oscilloscopes. Keysight n2893a 100 mhz current probe users guide introduction the n2893a is a wideband, dc to 100 mhz, active current probe. Eddy current probes are available in a large variety of shapes and sizes.
The magnetic immunity requirements that are below 30 hz are good match for pearson probes. Oscilloscope current probe oscilloscope current probes. The f364 offers a wide bandwidth measurement capability for the lab and bench environment. In fact, one of the major advantages of eddy current inspection is that probes can be custom designed for a wide variety of applications. The probe features low noise and low circuit insertion loss. Lecroy current probes do not require the breaking of a circuit. To increase the measurement sensitivity of the pa677 current probe, loop additional turns of the wire under test through the jaws.
Flexible shaft surface probes type coil tip angle length drop frequency shaft size connector part id item n. Inspection current amplitudes from 1 a to 7 a can be generated together with variable pulse widths and inspection rates of up to 300 hz. Each eddy current probe available from ndts has a unique code. Model jm861 is a high performance ac current probe for higher currents. The probes performance is optimized for accurate reproduction of currents at line frequency and up to the 50th harmonic waveform. Eddycurrent probe design 175 channel if the detection channel is not perfectly orthogonal to the liftoff. From detecting extremely small defects to inspecting nonflat surfaces and covering a wide area in a single pass. A new proximity probe to overcome eddy current probe. One main advantage of the method is the high sensibility to large wallthickness reductions without sharp edges. Olympus manufactures high quality cables and adaptors to fit with all eddy current probe models. Current probes are used in particular where other coupling networks, such as lineimpedance stabilization networks, are either not available or not suitable. Cad files eddycurrent sensor probes lion precision.
It also features the autoprobe interface which makes current measurements as simple as those made with active voltage probes. The new n2820a series highsensitivity current probes address. Since 1968, zetec has manufactured over 10,000 different probe designs to meet the constantly changing needs of the nondestructive testing ndt market. When monitoring a very large environment, however, we recommend that the probe be installed on a dedicated server.
Oscilloscope current probes current probes sense the current flowing through a conductor and convert it to a voltage that can be viewed and measured on an oscilloscope. Acdc current probe standard accessories instruction manual 0706xx probe ground lead 6 in. Hioki flat bandwidth current probes are bestinclass current sensors for use with memory hicorders and high performance oscilloscopes. Eddy current probes all specifications are subject to change without notice. Indicates that a pdf manual for that probe is available free from tektronix download tektronix probe manuals from tektronix site. Please make sure that you have already read and fully. Nondestructive testing, pulsed eddy currents, probe array, multiplexing, field programmable gate array, digital signal processing. Cp030cp030a and cp031cp031a current probes operators manual. This document is targeted to product users and explains operation andor installation procedures. The ct6700 is a highsensitivity current probe that offers a wide dc to 50 mhz bandwidth and 5a of continuous input, and applications include capturing transient current signals from switching power supplies, inverters, and motor. The ferrite core coils wound for this study are small but typical of the sizes commonly used in commercially manufactured eddy current probes. The remote field eddy current technique is an electromagnetic ndt method which is more and more used for the inspection of ferrous heat exchanger and boiler tubes. For this reason, in case of switched networks, it is necessary to either mirror traffic vlan or port mirror or place the probe on a location e.
Probe catalog aerospace maintenance and manufacturing component testing automotive manufacturing. Bahr, novel eddy current probe development, sri international report afwaltr814159 to air force wright aeronautical laboratories, wrightpatterson afb, oh 45433, december 1981. Keysight current probes use a hybrid technology that includes a hall effect sensor, which senses the dc current and a current transformer, which senses the ac current. Windows probes are installed using either a generic installation program or a customerspecific installation program. Plus significantly reduce dose and radiation waste. Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment. Probe innovations improve inspection efficiencies with combo and high stability x probes zetecs combination array and bobbin probes help save time and money. Sizing of fatigue cracks using different eddy current. Our design team understands the regulatory requirements for tubing and plate. Array nuclear sg edf probes a combination xprobe sax smx probe was created for the french market. Selfnulling eddy current probe for surface and subsurface flaw detection b.
The f364 current probe has a split core mechanical design permitting it to easily clip on and off a conductor. Mar 03, 2017 100 amp acdc current probe instructions. Find new, used, and refurbished current probes at valuetronics. The first time network probe is started, you are prompted to set a password for the admin user. Bobbin probe disadvantagesbobbin probe disadvantages merits. General surface probes, aerospace probes, dedicated inspection probes and accessories. File the completed record as required by applicable internal quality procedures. If you cannot find a probe or accessory to meet your inspection requirements, please contact your local. If the probe design is complicated, for example due to dual. The current probe is a passive, high frequency pickup device for electric currents. Eddy current techniques in ndeeddy current techniques in nde. Corrosion detection and measurement using eddy current methods. Fep cables can be custom ordered for standard temperature range probes. Systems current probe fixture table of contents introduction 3 general information 4 test methods 5 safety 7 figures 8 formulas 10 maintenance 11 warranty 12 a.
Take the reading on the meter and multiply it by 10 to obtain the measured current e. Eddy current probe selection information olympus ims. The numerical simulation of electromagnetic fields can be used not only for a better understanding of the remote field effect but also for the probe lay out. The probe s performance is optimized for accurate reproduction of currents at line frequency and up to the 50th harmonic waveform. Probes must be mounted to avoid interaction between the sensing field and the mounting hardware.
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