sauter TN-US Instruction Manual Download

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TN_US-BA-e-2020

Measuring hot surfaces ............................................................................... 20

10.

Measuring coated materials ........................................................................ 20

11.

Material suitability........................................................................................ 21

12.

Coupling means ........................................................................................... 21

Summary of Contents for TN-US

Page 1: ...Balingen e mail info kern sohn com Phone 49 0 7433 9933 0 Fax 49 0 7433 9933 149 Internet www sauter eu Instruction Manual Ultrasonic Material Thickness Gauge SAUTER TN US Version 2 0 04 2020 GB TN_US BA e 2020 PROFESSIONAL MEASURING ...

Page 2: ...Description of the control panel 8 3 Preparation for commissioning 8 3 1 Selection of the sound generator 8 3 2 Conditions and preparations for surfaces 10 4 Mode of operation 10 4 1 Switching on and off 10 4 2 Sound generator setting zero setting 11 4 3 Sound velocity 11 4 4 Measurements are made 14 4 5 The ultrasound image mode scan mode 15 4 6 Change the resolution 15 4 7 Changing the units 15 ...

Page 3: ...TN_US BA e 2020 3 9 Measuring hot surfaces 20 10 Measuring coated materials 20 11 Material suitability 21 12 Coupling means 21 ...

Page 4: ...ials 1 1 Technical data TN 80 0 01US TN 80 0 1US TN 230 0 01US TN 230 0 1US TN 300 0 01US TN 300 0 1US Dispaly 4 5 inch LCD display with backlight Measuring range 0 75 80mm 1 2 230mm 3 300mm Sound speed 1000 9999m s Resolution 0 01mm 0 1mm 0 01mm 0 1mm 0 01mm 0 1mm Measurement uncertainty 0 5 0 04mm Memory of up to 20 files up to 99 measured values per file with stored measured values Power supply...

Page 5: ...N xx0 01 US available on request to transfer memory data to the PC Mini thermal printer available on request to print the measured data from the TN xx0 01 US via the RS 232 connection adapter 1 3 Measuring principle The Ultrasonic Digital Material Thickness Gauge measures the thickness of a part or structure by accurately measuring the time taken for a short ultrasonic pulse to pass through the th...

Page 6: ...e battery 2 Gr AA Optional accessor ies Re adjustme nt 7 Ultrasonic probe ATU US 01 1 8 Ultrasonic probe ATU US 02 1 9 Ultrasonic probe ATB US 02 1 10 Ultrasonic probe ATU US 10 right angle 1 11 Ultrasonic probe ATU US09 1 12 Ultrasonic probe ATB US01 1 13 14 15 Data Pro Software ATU 04 Plug In Software AFI 1 0 USB comm cable FL A01 1 1 1 for PC only with models TN xx 0 01 US 16 Ultrasonic contact...

Page 7: ...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 the ...

Page 8: ...able 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 the size of the ultrasonic emitter in the transducer A strong emitting surface will emit ...

Page 9: ... sounders until the most suitable one for the test object is found The sound generator is the end piece of the measuring instrument It transmits and receives ultrasonic waves which the device uses to measure the thickness of the material to be examined The transducer is connected to the gauge by an adapter cable and two coaxial connectors When sounders are used plugging in the connectors is simple...

Page 10: ...d generator cannot be cleaned can be placed on the surface A wire brush or scraper is often helpful to clean the surface In extreme cases belt sanders or the like can be used However it is important to avoid gouging the surface which prevents the sound generator from being placed cleanly Extremely rough surfaces like siliceous cast iron are very difficult to measure These types of surfaces behave ...

Page 11: ...w the ultrasonic probe is lifted off the zero plate The instrument has now recognized the initial error factor and will use it to adjust all subsequent measurements When zeroing the instrument will always use the sound velocity of the built in zero plate even if other values have been previously entered to make current measurements Although the last zero setting is saved it is recommended to do it...

Page 12: ...lue is reached the ultrasonic probe is lifted off again If the thickness of the material just detected changes from the value that existed during coupling step 3 must be repeated 5 The key is pressed and thus the calibration mode is activated The MM or IN symbol should start flashing 6 With the and keys you can now adjust the required material thickness that of the material pattern 7 The key is pr...

Page 13: ...ition itself and thus the speed of sound often varies from one manufacturer to another Calibration with a material sample of known thickness ensures that the instrument is adjusted as accurately as possible to the material to be measured 4 3 3 Two point calibration This procedure assumes that the user has two known material thickness points of the test material and that these are representative fo...

Page 14: ...ss measured directly under the sound generator If the coupling indicator does not appear or the number on the display is questionable first check that there is sufficient coupling agent at the point under the US probe and that it has been placed flat on the material Sometimes it is necessary to try a different transducer for the material in question diameter or frequency While the US measuring pro...

Page 15: ...ly switched on The scan mode can be switched off as follows The key is pressed to switch it on or off The current state of the scan mode appears on the screen 4 6 Change the resolution The device TN xx0 01 US has two selectable screen resolutions 0 1mm and 0 01mm This option is not available for the TN xx0 1 US device It is limited here to 0 1mm If the key is pressed after switching on the resolut...

Page 16: ...ram can be exited at any time with the key and the measuring mode can be returned to 4 8 3 Entering deleting stored data records This function allows the user to enter or delete a data record in a desired previously saved file The following steps have to be taken 1 Press the key to activate the data collection function and to read the current file name and the total number of all data records in t...

Page 17: ...ny time with the key and the measuring mode can be returned to 4 10 Beep mode If the Beep mode is activated under On a short honk can be heard each time the key is pressed each time a measurement is taken and if the measured value exceeds the tolerance limit This option can be switched on and off with the key and the symbol is visible on the display 4 11 EL Backlight This allows it to be used in a...

Page 18: ...rd RS 232 adapter connection With the optionally available cable the connection to a PC or external storage devices is possible The measurement data stored in the instrument memory can be transferred via this cable through the RS 232 access For detailed information on the communication software please read the software manual 5 Maintenance If you experience any unusual problems with your US thickn...

Page 19: ...rtz glass 0 222 5639 Rubber 0 091 2311 Teflon 0 056 1422 Water 0 058 1473 8 The measurement of tubes and hose material If a piece of pipe is measured to determine the thickness of the pipe wall the positioning of the transducer is important If the diameter of the pipe is greater than 4 inches the position of the transducer on the pipe should be such that the incision on the contact surface is perp...

Page 20: ...ned for a short period of time for stable measurement While the sound generator is in direct contact with the hot surface it heats up Thermal expansion and other effects can have a negative impact on the measuring accuracy 10 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 ...

Page 21: ... to be used Glycerine is recommended for difficult applications as maximum sound transmission strength is required However glycerine can cause corrosion due to water absorption in some metals Other coupling agents for measurements at normal temperatures may include water various oils or greases gels and silicone fluids High temperature measurements require special high temperature coupling agents ...

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