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Sauter GmbH

Ziegelei 1
D-72336 Balingen
e-mail: [email protected]

Phone : +49-[0]7433- 9933-0
Fax: +49-[0]7433-9933-149
Internet: www.sauter.eu

Instruction Manual Multi-Mode
Ultrasonic Material Thickness Gauge

SAUTER TN-EE

Version 2.0
04/2020
GB

TN_EE-BA-e-2020

PROFESSIONAL MEASURING

Содержание TN-EE

Страница 1: ...en e mail info kern sohn com Phone 49 0 7433 9933 0 Fax 49 0 7433 9933 149 Internet www sauter eu Instruction Manual Multi Mode Ultrasonic Material Thickness Gauge SAUTER TN EE Version 2 0 04 2020 GB TN_EE BA e 2020 PROFESSIONAL MEASURING ...

Страница 2: ...2 Control panel and display layout 5 2 1 Explanation of the key symbols 6 3 Preparation for commissioning 6 3 1 Selection of the sound generator 6 3 2 Conditions and preparations for surfaces 8 4 Mode of operation 9 4 1 Switching on and off 9 4 2 Selecting the measuring mode 9 4 3 Zero Calibration 10 4 4 Calibration of the sound velocity 10 4 5 perform measurements 12 4 6 Scan mode ultrasound imag...

Страница 3: ...mmunication USB 1 1 Ambient temperature 20 C 60 C max air humidity 90 Dimensions 150x74x32mm Weight 245g 1 2 Main functions 1 Universal application Operation in pulse echo and echo echo mode 2 Possibility to measure the thickness of various materials such as metal plastic ceramics composites epoxy resins glass and other materials with good ultrasonic conductivity 3 Special applications possible wi...

Страница 4: ...ial The result is expressed by the following formula 2 t v H H Material thickness of the test object V sound velocity of the corresponding material t the measured transit time for the sound 1 4 Configuration No Element Qu ant ity Comment Standard configuration 1 Unit Main body 1 2 Sensor P5EE 5 MHz Ø 10 mm 1 3 Coupling means 1 4 Measuring instrument bag 1 5 Operating instructions 1 6 Alkaline batt...

Страница 5: ...st appear while measurements are being taken If this is not the case the instrument has problems obtaining stable measurements and it is very likely that deviations will occur 2 Unit mm or inches for the material thickness m s or in µ s for the speed of sound 3 Battery indicator shows the remaining capacity of the batteries 4 Information on the display The determined material thickness value and t...

Страница 6: ...uld send sufficient ultrasonic energy into the material to be measured so that a strong stable echo arrives at the instrument Certain factors influence the strength of the ultrasound as it is transmitted These can be read in the following The initial signal strength The stronger a signal is from the beginning the stronger the returning echo will be The initial signal strength is mainly a factor of...

Страница 7: ... These are built in such a way that they can be used at high temperatures for special materials and techniques without suffering damage In addition care must be taken when performing a zero calibration or calibration with known material thickness using a high temperature transducer The selection of a suitable sound generator is often a compromise between different influences and characteristics So...

Страница 8: ...on of the ultrasonic waves through the material resulting in unstable incorrect measurement results The surface to be measured should be clean and free of any substances rust or verdigris If this is the case the transducer cannot be placed cleanly on the surface Often a wire brush or scraper is helpful to clean the surface In extreme cases belt grinders or the like can be used However it is import...

Страница 9: ...or 5 minutes it switches off automatically 4 2 Selecting the measuring mode It often happens that the thickness of pipes or containers is to be measured when used outside Usually the paint layer or any other layer must be removed before the measurement Otherwise the certain error caused by the thickness of the respective layer as well as the speed of sound must be taken into account With the ultra...

Страница 10: ...point the instrument has successfully calculated the internal error factor and will compensate for it in all subsequent measurements If a zero calibration is performed on the instrument it will always use the sound velocity of the zero plate installed in the instrument even if a different sound velocity value has been entered to make current measurements Although the instrument retains the last ze...

Страница 11: ...he display will now show the sound velocity value previously calculated based on the material thickness 8 To exit the calibration mode press the key to return to the measuring mode From now on measurements can be made 4 4 2 Calibration at known sound velocity Note For this procedure the sound velocity of the material to be measured must be known 1 Press the key to activate the calibration mode The...

Страница 12: ...urement can now be started in the preprogrammed measuring range 4 5 perform measurements The meter always stores the last measured value until a new value is added For the sound generator to function properly there must be no air bridges between its contact surface and the surface of the material to be measured This is achieved with the ultrasonic gel the coupling agent This liquid couples or tran...

Страница 13: ...asured the instrument automatically searches for the smallest reading The transducer can be scrubbed over the surface because short interruptions of the signal are ignored In the case of interruptions lasting longer than two seconds the smallest measured value found is displayed If the transducer is lifted the smallest measured value found is also displayed When the scan mode is switched off the s...

Страница 14: ...e which allows the user to create a new list of measurements in memory location L00 The procedure is as follows 1 Press the key to activate the measurement data acquisition function and to read the current file name and the total number of all data sets in the file 2 With the and key you can scroll back and forth in the file until the corresponding file is found 3 At the desired file press the but...

Страница 15: ...al hours of use the display will show the symbol The larger the black portion in the symbol the fuller the battery is When the battery capacity is exhausted the following symbol appears and starts flashing The batteries should now be replaced When changing the polarity must be observed If the device is not used for a longer period of time the batteries should be removed 4 12 Automatic switch off T...

Страница 16: ...hen taken as the exact measurement of this point Measuring coated materials Coated materials are special because their density and therefore the speed of sound can vary considerably from one piece to another Even through a single surface noticeable differences in the speed of sound can be detected The only way to obtain an accurate measurement result is to first perform a calibration on a material...

Страница 17: ...e wood fiberglass and some rubber Coupling means All ultrasonic applications require a medium to transmit the sound from the transducer to the test material Typically this is a very viscous medium Ultrasound cannot be efficiently transmitted through air A variety of coupling means is used For most applications propylene glycol should be used Glycerine is recommended for difficult applications as m...

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