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MIT MIT-SCAN-T3, Инструкция по эксплуатации

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Instruction Manual MIT-SCAN-T3 

Version 02/2021  

 

Page 41 

Error message 

What to do? 

Max. position 

wrong 

Repeat measurement at measuring site. Place probe 

about 30 cm before the reflector. 

Measurement 

aborted 

Movement of probe must be forward.. 

Electromagnetic 

interfer. 

Measurement signal was influenced by electromagnetic 

interferences, e.g. by:  

-

 

High-voltage lines 

-

 

Underground cables 

-

 

Transformers, generators or other construction 
machinery 

Zero meas. invalid 

Reference signal was influenced by extraneous metal. 
If possible remove extraneous metal. Alternatively, 
pass over reflector in other direction. 

Incorrect 
measurement 

This error message appears if the course of the 
measurement signal indicates that a rectangular foil 

was not passed over along its long side. Repeat run 
over rectangular foil along the long side. 

Содержание MIT-SCAN-T3

Страница 1: ...Version 02 2021 Instruction Manual MIT SCAN T3 MIT Mess und Pr ftechnik GmbH www mit dresden de...

Страница 2: ...Page 2...

Страница 3: ...2 1 4 Device calibration 13 2 Thickness measuring device 14 2 1 Interfaces 15 2 1 1 Recharging the device 15 2 1 2 Data exchange via USB interface 16 2 1 3 Headphone interface 16 2 1 4 Bluetooth inter...

Страница 4: ...easuring procedure 28 3 3 1 Reflector search 28 3 3 2 Measurement 31 3 3 3 Results display 33 3 3 4 Calculated layer thickness 33 3 3 5 Measured reflector 35 3 3 6 Material quality coefficient 35 3 3...

Страница 5: ...heet settings 53 5 8 2 Data transfer for site measuring 54 5 8 3 Calculations in the measurement sheet 55 5 8 4 Setting up a form sheet 56 5 9 GPS data and Google maps 57 6 MIT SCAN T3 App 59 6 1 Star...

Страница 6: ...s no liability for any damages arising from failure to observe the instructions in this manual use of the device for unintended purposes non compliance with the safety instructions The manufacturer as...

Страница 7: ...vely it is possible that water may enter the device during heavy rainfall If this happens stop operating the device and ensure it is completely dry before using it again When taking measurements on ho...

Страница 8: ...may only be used for thickness measurements according to ASTM E3209 AASHTO T T359 or German Standard TP D StB 12 Warranty service will only be accepted if only original accessories or reflector types...

Страница 9: ...ion tomography and analyzes the temporal and spatial course of eddy current fields generated in standardized reflectors MIT SCAN T3 can be used on all layers of surfacing materials common in building...

Страница 10: ...ur sensors s Fig 2 Emission field The emission coil emits a magnetic field at regular intervals This field induces a current in the installed antipole s Fig 3 Induced current As it subsides temporally...

Страница 11: ...inum 0 1 0 3 mm 0 1 0 3 mm 50 cm 50 cm ST RO 12 ST RO 30 Circular plate Diameter 12 and 30 cm Material Steel 1 00 mm 0 65 mm 18 cm 35 cm Table 1 Description of the available antipoles 4 Information ab...

Страница 12: ...logo to avoid confusion with any reflector imitations not validated for the use of MIT SCAN T3 Please ask MIT for a list with tested suppliers of circular plates in your country Attention Measuring d...

Страница 13: ...fied measuring ranges and approved reflectors Name Standard measuring range AL RO 07 AL RO 12 AL RO 30 1 5 12 cm 1 5 18 cm 4 0 35 cm AL RE 30x70 30x100 100 m AL RE 30x70 30x100 300 m 1 5 50 cm 2 0 50...

Страница 14: ...point can influence the measuring accuracy The influence depends on the strength of the source and the distance to it If it is suspected that strong electromagnetic fields are located near to a measu...

Страница 15: ...and calibrated at regular intervals even if it s not required by the authorities The user commissions the calibration of relevant reflector sizes A valid certificate of calibration with a tabular and...

Страница 16: ...device consists of two functional units s Fig 9 1 Control unit 2 Measuring probe They are connected by a telescopic rod The telescopic rod is secured with tube locks 4 The control unit is equipped wit...

Страница 17: ...segment by 90 degrees counterclockwise Extend the lower segment and tighten the tube lock 2 1 Interfaces At the upper end of the control unit under a lid are three interface connections s Fig 10 1 Ba...

Страница 18: ...er having exchanged data successfully Measurement data is stored in file MIT SCAN T3_device number T3 Use MIT Project Software to import this file into a form sheet for further processing 2 1 3 Headph...

Страница 19: ...serted into the eyebolt at the upper end of the control unit case Open the loop at the other end of the belt place it directly below the control unit case around the tube and close it using the snap b...

Страница 20: ...ice or car with the charging cradle accessory part The charging cradle works with both charging cables which are delivered with MIT SCAN T3 The battery can be quickly removed or replaced without addit...

Страница 21: ...Navigation and Select or confirm Back Power off Press for 3 seconds The respectively activated key is shown in the footer of the screen 2 6 Main Menu After power on the Main Menu s Fig 16 with the thr...

Страница 22: ...e total number of measuring sites in the measuring site plan have already been measured Manual input Here new projects are set up or activated and implemented s sec 3 2 p 24 Measuring without input In...

Страница 23: ...is activated the site can be measured again by pressing the key The device will go to the measurement menu and take the site information of the saved data set If a saved data set contains GPS informa...

Страница 24: ...cal condition and function of the device before the first measurement of the day The device should be visually inspected for external damages If damage has been discovered and it is uncertain if this...

Страница 25: ...maintenance is recommended MIT SCAN T3 is ready for use as soon as it is switched on The user should check the prober function of the electronic by performing some test In search mode s sec 3 3 1 ther...

Страница 26: ...urrent Measuring Site information about the current project can be entered by confirming the key s Fig 21 In this context all project relevant parameters regarding the construction work can be entered...

Страница 27: ...nt has not yet been performed layer and reflector data can be changed or corrected at any time 3 2 1 Layer system MIT SCAN T3 is able to measure 2 and 3 layer systems Switching between layered systems...

Страница 28: ...c reflector using the and keys Select or deselect reflector with key Switch to the measurement menu with In measurement menu the reflector to be measured is then quickly selected using the keys and 3...

Страница 29: ...esults representation the identified reflector is displayed in addition to layer thickness The user is recommended to conduct a plausibility check of both the identified reflector as well as the relat...

Страница 30: ...lector searching procedure Sweep probe over road surface in wide side to side motions Observe the four search bars When bar amplitudes or a vibration indicate detection perform shorter sweeping motion...

Страница 31: ...play with search bar and position of the probe for reflector type AL RO 12 Subsequently start the measurement With search button pressed down run measuring device back 30 cm the measurement will start...

Страница 32: ...Instruction Manual MIT SCAN T3 Version 02 2021 Page 30 Fig 26 Reflector search demonstrated for reflector type AL RO 12...

Страница 33: ...vice traverses a measuring site too quickly one of the following warnings will appear on the display Move slower Evaluation was still possible Yet a slower pace is recommended Movement too fast Calcul...

Страница 34: ...l peaks in the reference signal indicates additional metal in the ground which may cause wrong results The measurement path depends on selected reflector 1 m for small reflectors AL RO 07 AL RO 12 ST...

Страница 35: ...e result is subsequently displayed s Fig 29 The following information is shown in display Measured layer thickness Selected or automatically identified reflector Material quality coefficient If GPS da...

Страница 36: ...his case the setting and the measurement should be considered critically Reflector set correctly Can measured value be expected within the measuring range of reflector Please note If the measuring ran...

Страница 37: ...ified will be displayed This mode will be indicated by an A next to the name of reflector 3 3 6 Material quality coefficient On the right side of display a graphic diagram of material quality coeffici...

Страница 38: ...eason for measurement failures could be foils with bent ends torn foils or perforated foils Therefore whenever possible always use robust reflectors for electromagnetic thickness measurements Is the i...

Страница 39: ...on by 90 degrees Press search button to determine reflector position Once the edge of the foil plate is determined measurement can be started and the probe has to be moved slowly over reflector Direct...

Страница 40: ...y must be tested 5 The German standard TP D StB 12 requires that the first measurement has to be a check of the correct device function For this with the device traverse the measuring site and perform...

Страница 41: ...vice does not pass the functionality check it must be sent to the manufacturer for validation 4 Warnings and error messages MIT SCAN T3 is equipped with a comprehensive error detection function During...

Страница 42: ...ent and save data without GPS signal Alternatively wait until device will receive a GPS signal Data memory full Measurements cannot be saved Move slower Evaluation was still possible However a slower...

Страница 43: ...tromagnetic interferences e g by High voltage lines Underground cables Transformers generators or other construction machinery Zero meas invalid Reference signal was influenced by extraneous metal If...

Страница 44: ...ge 42 Error message What to do Side shift of reflector The error message appears when user has passed the reflector too close to the edge The reflector should be re searched and passed over its center...

Страница 45: ...ing the measuring site plan predetermined grid points of measurement for a construction project Display and storage of measured data Evaluation of measured data and generation of form sheets acc to TP...

Страница 46: ...ice 5 1 License key and copy protection The MIT Project Software is protected by a license key It is operating device dependently Only measurement data of corresponding device can be processed The syn...

Страница 47: ...unit for result display form sheet Multiple measurements It is possible to average the results from several measurements at the same measuring site or alternatively use the last result in the form she...

Страница 48: ...running the program shows a message The MIT SCAN T3 data can be linked to each respective device by assignment of a name or number This is helpful when several devices are in use and another designat...

Страница 49: ...in the second tab Prepare measurements s Fig 41 If measurements for several layer thickness measuring devices are processed the relevant device has to selected s highlighted area in Fig 40 The list o...

Страница 50: ...left middle right Select layer and corresponding reflector After data input the measuring site plan is generated automatically under Generate measurement plan s Fig 42 Individual data sets can be proc...

Страница 51: ...storage place will be changed from PC to USB in the table After connecting the flash drive to the thickness measuring device the prepared data sets will synchronized It is possible to sort the data i...

Страница 52: ...ta using the filter function s Fig 44 Several criteria can be queried at the same time Data sets can also be selected in the table To select all data sets Left click with the mouse in the table then u...

Страница 53: ...yed during the measurement are displayed in the table s Fig 36 p 43 in Error column by their abbreviation By moving the mouse over the respective cell all error messages are displayed completely 5 6 C...

Страница 54: ...Tools Synchronize USB flash drive Select device whose data has to be synchronized with USB flash drive All data sets of the table can be stored on PC The following file formats are available MIT forma...

Страница 55: ...ings The menu item Form sheet contains several settings of the form sheet s Fig 48 Update Calculations in form sheet are updated only possible if result preview is deactivated Zoom The width of the fo...

Страница 56: ...e update is performed under the menu item Form sheet Update s Fig 48 p 53 To take over data into the form sheet the following information is mandatory Kilometer indication Type of layer surface binder...

Страница 57: ...tomatically calculates individual layer thicknesses for the following layer systems s Fig 49 Two layer construction Three layer construction MIT Project Software averages the measured values if severa...

Страница 58: ...the performed construction work In the footer s Fig 50 the operator has to enter the result of the functionality test according to TP D StB 12 s sec 3 4 from p 38 If not confirmed or even negated the...

Страница 59: ...Version 02 2021 Page 57 5 9 GPS data and Google maps In the third tab of MIT Project Software the highlighted measurement data is displayed as markers in Google Maps s Fig 51 Fig 51 Measurement data...

Страница 60: ...anually The graphic display of measurement points facilitates reliable allocation of measurement values to a certain measuring site It may also reveal incorrect measuring site information If the mouse...

Страница 61: ...on to access files to create the log The status line at the top of the screen shows the connection to a device by means of a green Bluetooth symbol see Fig 53 If this symbol is red and crossed out the...

Страница 62: ...vice see Fig 52 previous page 6 2 Prepared measuring points In this tab prepared measuring points are called up and displayed Data can be edited added or deleted Changes can be transferred to the MIT...

Страница 63: ...hat is displayed at the end of the measurement the reflector type recognized or set before the measurement the measured layer the measured layer thickness and the value of the material quality The mat...

Страница 64: ...rmation structure date layer The following options are available to the user via the symbols below the table Download records from the device to the phone Create a signature for the PDF export this wi...

Страница 65: ...of the device It is the customer s responsibility to obtain information about software and firmware updates and should periodically check for the current version They are available for download at ht...

Страница 66: ...Measurement range 15 500 mm depth9 Asphalt temperature up to 110 C Operating temperature 10 C to 50 C Battery life 8 hours respectively 1000 measurements Charging time 1 5 hours Memory capacity up to...

Страница 67: ...er 7 12 30 cm Test certificate GPS module inside Battery charger Car charger Carrying strap Instruction manual USB flash drive for data transfer MIT Project Software including license key Transport bo...

Страница 68: ...H Gostritzer Str 63 01217 Dresden Germany Phone 49 0 351 87181 25 Fax 49 0 351 87181 27 E Mail info mit dresden de Internet www mit dresden de Device support Phone 49 0 351 87181 06 E Mail support mit...

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