DAKOTA ULTRASONICS DFX-7 Operation Manual
Also see for DFX-7: Operation manualManual
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Contents
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CHAPTER ONEINTRODUCTIONThe Dakota Ultrasonics model DFX-7 is both, an ultrasonic flaw detector, as well asan ultrasonic A/B Scan thickness scope, in a single unit. It’s a combination of bothour CMX DL+, as well as our new DFX-7 flaw detector series. Why is thisadvantageous? Thickness gauge are specifically setup to very accurately measurethickness, locate pits, flaws and blind surface corrosion. All the linearity tables,correction curves for various types of longitudinal transducers and features are builtwith dimensional thickness as its primary focus. Flaw detectors are designed todetect, size, position, and differentiate between flaw types in various materials andwelded joints. A flaw detector must be fast, in terms of its sample and screen refreshrate, as inspectors are generally scanning the surface of a part or test specimen at arelatively high speed, rather than looking for the thickness at a specific point orlocation. While flaw detectors can also measure material thickness with reasonableaccuracy, they are not designed with precision thickness as their primary focus.The DFX-7 combines the two types of gauges into one powerful and full featuredinstrument, that’s equipped with a number of comprehensive toolkits to provide theuser the arsenal necessary to address a number of common field applications. Inand effort to avoid complexity issues and differential between gauges types, thismanual focuses only on the flaw detector portion of the DFX-7.Dakota Ultrasonics maintains a customer support resource in order to assist userswith questions or difficulties not covered in this manual. Customer support may bereached at any of the following:Dakota Ultrasonics Corporation1500 Green Hills Road, #107Scotts Valley, CA 95066 USATelephone: (831) 431-9722Facsimile: (831) 431-9723www.dakotaultrasonics.com1.1 General DisclaimerThe manual should be read and understood prior to using the DFX-7. This operatingmanual provides the user with all the general information necessary to use andoperate the features of the DFX-7. However, this manual is not a certified NDTtraining course, nor is it intended to be one. Ultrasonic training for sound wavetheory, flaw detection and interpretation of defects is highly recommended, and willbe required by most companies and contract services. Contact the local NDT societyin your area to inquire about training available in your locality. |
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