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USN 52R / USN 52L
Technical Reference and Operating Manual
Ident No. 28 642
Please unfold the inside page.
All function groups and tables are illustrated there enabling you to quickly find instrument functions whilst reading
this manual. You will also find an overview of status symbols.
This issue 05, 02/00, applies to the following software version:
R5 TCG/DGS
R6 TCG/DGS
L4 TCG/DGS
L5 TCG/DGS
Subject to change without notice.
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Index 1.4 Remarks on this manual .........................1-10 1. Introduction ....................................... 1-1 Before starting for the first time ................1-10 1.1 Safety information ................................... 1-2 Getting to know the adjustment functions .1-10 Storage batteries ....................................... 1-2 Service ..................................................... 1-10 Defects/errors and exceptional stresses .... 1-2 Specifications and basic settings
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Index 3.3 Probe connection..................................... 3-5 Setting the function ................................... 4-10 Accelerated adjustment ............................4-10 3.4 Starting the USN 52 R .............................. 3-5 Selection of measured value for enlarged Switching on .............................................. 3-5 display ......................................................4-11 Reset ......................................................... 3-6 4.4 Function
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Index Storing data ..............................................5-14 5.8 Storing measured values - Data Logger 5-35 Clearing the instrument setting ..................5-15 Determining the number of FILES .............5-35 Clearing all data ........................................5-16 Selecting a FILE .......................................5-36 Displaying stored A-Scans (preview) .........5-16 Clearing FILES ......................................... 5-37 Storing measured values ..................
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Index 8.2 Connection of a peripheral ...................... 8-5 6. Documentation .................................. 6-1 8.3 Transferring the display contents ........... 8-6 6.1 Printing instrument settings and display contents ....................................... 6-2 8.4 Printing Data Logger report .................... 8-6 Preparing the printer ................................... 6-2 Data Logger report format .......................... 8-7 6.2 Documentation with the PC program 8.5 Transferri
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Index 9. Specifications .................................... 9-1 10.Appendix.......................................... 10-1 10.1 Function directory ..................................10-2 10.2 EC Certificate of Conformity ...................10-7 10.3 Service addresses ................................... 10-8 11.Changes........................................... 11-1 12.Index ................................................. 12-1 Krautkramer USN 52R/USN 52L Issue 05, 02/00 0-5 Index 9. Specificati
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0-6 Issue 05, 02/00 Krautkramer USN 52R/USN 52L 0-6 Issue 05, 02/00 Krautkramer USN 52R/USN 52L
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Introduction 1 Krautkramer USN 52R/USN 52L Issue 05, 02/00 1-1 Introduction 1 Krautkramer USN 52R/USN 52L Issue 05, 02/00 1-1
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Safety information Introduction Storage batteries 1.1 Safety information USN 52R/USN 52L can be operated with storage batter- USN 52R and USN 52L have been designed and tested ies. Please only use the power supply/battery charger according to DIN EN 61 010 Part 1, March 1994, Safety unit UN 655 for storage battery charge. requirements for electrical measuring, control and lab equipment, and was technically in perfectly safe and Defects/errors and exceptional stresses faultless condition when lea
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Important notes Introduction Software 1.2 Important notes Based on the present state of the art software can Please read the following notes before using your never be completely error-free. USN 52R/USN 52L. It is important that you understand That is why software-controlled instruments should be and observe this information to avoid making any mis- checked before use to see if the necessary functions takes in operating the instrument. These could lead to operate perfectly in the provided combin
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Important notes Introduction Operator training Technical test requirements The operator of an ultrasonic flaw detector must be Every ultrasonic test is subject to specific technical adequately trained in the field of ultrasonic test meth- test requirements. The most important of these are: ods. This includes, among other things, sufficient definition of the scope of the test; knowledge of: selection of the appropriate technical test method; – sound propagation theory, taking into account t
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Important notes Introduction varying alloying constituents, this condition is usually Limits of testing fulfilled: the variation of the sound velocity within the Ultrasonic tests can only provide information about material is so slight that it is only of importance for those parts of the test object which the sound beam high-precision measurements. In other materials, how- from the probe used has actually passed through. ever, e.g. nonferrous metals and plastics, the sound velocity can vary subs
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Important notes Introduction Effect of temperature variations Assessing flaws using ultrasonics The velocity of sound within the test object also varies In present-day test practice there are basically two as a function of the temperature of the material. This methods of assessing flaws. can cause appreciable errors if the instrument has been calibrated on a cold calibration block and is then used If the diameter of the sound beam is smaller than the on a warm or hot test object. Such errors can
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Important notes Introduction Ultrasound is subject to attenuation as it passes Echo display comparison method through any material. This attenuation is very small in, The echo from a small natural flaw is usually smaller for instance, fine grained steel, and also in many small than the echo from an artificial comparison flaw (e.g. components made of other materials. circular disc reflector) of the same size. This is due, for If, however, the sound travels a large distance into the instance, to t
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USN 52R/USN 52L Introduction 1.3 USN 52R/USN 52L USN 52R/USN 52L are lightweight, compact ultrasonic flaw detectors which is especially well suited for locating and evaluating material flaws, measuring wall thicknesses. documenting all test results and readings. USN 52R: USN 52R high-resolution EL display, 146 mm x 67 mm (5.75“ x 2.65“), 552 x 256 pixels USN 52L: transflective LCD screen, 114 mm x 75 mm (4.5“ x 3.0“), 480 x 320 pixels Special features of the two versions: lightness i
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USN 52R/USN 52L Introduction 60 Hz A-scan refresh rate, 2-stage adjustment of pulse repetition rate in order to avoid phantom echoes, mains power or battery operation (max. 5 hours of operation), indication of amplitude and sound path for flaw testing and thickness measurement, on-board Data Logger for storage of up to 2,500 thickness readings in a maximum of 99 freely DAC for convenient display evaluation according to configurable files, the reference block method (e.g. ASME code, e
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Remarks on this manual Introduction Getting to know the adjustment functions 1.4 Remarks on this manual Chapters 4 and 5 describe the most important adjust- H Note: ment functions using the corresponding menus. In Chapter 10 you will find a list and a brief description of This manual applies to the two USN 52 versions all functions together with adjustment criteria. USN 52R and USN 52L. The examples shown refer to the USN 52R; however, since function groups and func- Service tions of the two in
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Remarks on this manual Introduction Keys Layout of this manual – JC / NO / U mean: In order to simplify use of this manual, the operating Press the right or left key. steps are always presented in the same way. This en- ables you to find information quickly. – J / N / T mean: Only press the left key. Descriptions of functions – C / O / V mean: Chapter 5 shows the functions that you require for vari- Only press the right key. ous operating procedures in the same way as they are displayed by the
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1-12 Issue 05, 02/00 Krautkramer USN 52R/USN 52L 1-12 Issue 05, 02/00 Krautkramer USN 52R/USN 52L
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Standard package and accessories 2 Krautkramer USN 52R/USN 52L Issue 05, 02/00 2-1 Standard package and accessories 2 Krautkramer USN 52R/USN 52L Issue 05, 02/00 2-1
