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MIT MIT-SCAN-T3, Instruction Manual

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MIT MIT-SCAN-T3 Instruction Manual Download Page 44

Instruction Manual MIT-SCAN-T3  

 

Version 02/2021  

 

Page 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. 

Table 3 Overview of warnings and error messages 

Summary of Contents for MIT-SCAN-T3

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

Page 2: ...Page 2...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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