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А1020 MIRA Lite Low-Frequency Ultrasonic Tomograph

Operation Manual

19

ACOUSTIC

CONTROL

SYSTEMS

Parameter

Value

Description

Color gain, dB

from 0 to 60 in increments of 1

Changes the brightness scale for the synthesized image

Analog gain, dB

from 0 to 100 in increments of 1

Selects the gain coefficient in the path of the device to pro-
vide maximum dynamic range without the signal limitation

Filter, kHz

10 / 20 / 40 /100

Sets the high-frequency filter

Parameter

Value

Description

Number of periods

from 0.5 to 2.0 in increments of 0.5

Is selected depending on the material properties

Pause between the
emission pulses, ms

Off / from 0.2 to 20.0 in incre-
ments of 0.2

It affects reverberation to eliminate after-sound

Operating frequency,
kHz

from 10 to 100 in increments of 5

Is selected depending on the material properties

SH-Wave compen-
sation

On / Off

Switching On/Off the surface wave

Using the measured
velocity

On / Off

Selects the velocity for formation of SAFT.
On – measured velocity of transversal waves
Off – velocity value set in the SETUP mode

Velocity, m/s

from 1,000 to 10,000 in incre-
ments of 1

Manual velocity adjustment. Parameter is not active when
the parameter “Using the measured velocity” is On

2D-Filter

On / Off

Switching On/Off the 2D-Filter

Image quality

Low / Medium / High

Selects the quality of the image received. Determines the
data acquisition rate and data size when saving them.

А-Scan type

Off / Filling / Contour

Switches off field mapping of the А-Scan on the
screen / Switches between the display types of А-Scan

Table 4

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Содержание A1020 MIRA Lite

Страница 1: ...MIRA Lite Low Frequency Ultrasonic Tomograph Operation Manual 1 ACOUSTIC CONTROL SYSTEMS LOW FREQUENCY ULTRASONIC TOMOGRAPH Acoustic Control Systems ACS Group Saarbrücken 2018 А1020 MIRA Lite OPERATION MANUAL ...

Страница 2: ...А1020 MIRA Lite Low Frequency Ultrasonic Tomograph Operation Manual 2 ACOUSTIC CONTROL SYSTEMS ...

Страница 3: ...NICAL SPECIFICATIONS 7 1 3 DESIGN AND OPERATION 9 1 3 1 The design of the device 9 1 3 2 Indication of information on the screen 13 1 3 3 Keyboard 14 1 3 4 Tomograph controls and indication of the state 15 1 3 5 Operation modes 15 1 3 6 Data processing and indication on the screen of the tomograph 16 1 4 DESCRIPTION OF THE OPERATION MODES 17 1 4 1 The SETUP mode 17 1 4 2 The REVIEW mode 31 1 4 3 T...

Страница 4: ...n and mark the surface of the inspected object 36 2 2 4 Switching On Off the device 37 2 3 METHODS OF WORKING WITH THE DEVICE 37 2 3 1 Local inspection 37 2 3 2 Continuous inspection 37 2 4 PERFORMING INSPECTION 38 2 4 1 Performing a local inspection 38 2 4 2 Performing a continuous inspection 38 3 TECHNICAL MAINTENANCE 39 3 1 POWER SUPPLY AND ENERGY CONSUMPTION 39 3 1 1 Monitoring the state of th...

Страница 5: ... work with the device Only properly trained personnel familiarized with the operation manual is allowed to work with the device The company ACS Solutions GmbH continuously upgrades the quality and the functions enhances the safety and serviceability of its devices Thus some minor modifications can be introduced to the devices during the production process These modifications do not affect the tech...

Страница 6: ... allows for quick and efficient inspection of extensive objects along with documentation of results and the opportu nity of their preliminary analysis Main application areas of the device inspection of the reinforced concrete buildings facilities bridges tunnels highways landing areas under construction as well as those ones under operation and maintenance in order to check their integrity and rel...

Страница 7: ...rproof tips Operating frequencies of the transducers from 10 to 100 kHz Ultrasonic velocity range from 1 000 to 10 000 m s Maximum view depth in concrete 800 mm Maximum view depth in reinforced concrete 800 mm Thickness measurement range from 50 to 800 mm Limits of permissible absolute measurement accuracy of the thickness mm where Х thickness is measured 0 05 Х 10 Depth measurement range of the f...

Страница 8: ...m overall dimensions of the electronic unit 260 166 80 mm Maximum overall dimensions without handles 220 129 99 mm with handles positioned horizontally 376 167 99 mm with handles positioned vertically 220 184 167 mm Maximum weight of the electronic unit 1 9 kg Maximum weight of the antenna array 3 1 kg Average time between failures 18 000 hours Average service life min 5 years The main technical s...

Страница 9: ... Tomograph Operation Manual 9 ACOUSTIC CONTROL SYSTEMS 1 3 1 The design of the device А1020 MIRA Lite tomograph is an electronic unit to which M4002 matrix antenna array is connected using a cable Figure 1 1 3 DESIGN AND OPERATION Figure 1 1 ...

Страница 10: ... kit The battery or the power adapter is connected to the port on the back of the housing On the back of the housing there is also a USB port for PC interfacing 1 3 1 2 Power adapter AC power supply adapter 15V powers the de vice from external energy source and allows charging of the battery installed into the electronic unit of the device The battery charging time is up to 6 hours depending on th...

Страница 11: ...on used to start the sounding procedure The position of the antenna array handles can be changed thus al lowingconvenientworkingwiththedeviceonthehorizontal verticaland ceiling surfaces of the tested object To change the handle position loos en its fasteners on both sides of the housing set them in the required position and fasten Figure 3 Figure 3 Figure 4 Fastening of the handle Fastening of the...

Страница 12: ... observe a shift distance of the device while performing the complete technical diagnostics of the tested object Theantennaarrayconsistsofthetransducerswithadrypointcontact sothetestsshallbecarriedoutwithoutthecontactliquid On the upper part of the antenna array there are lights indicating the scanning process Scanning Process and the state of the lasers on off Laser Enable Figure 5 To collect and...

Страница 13: ...state Icons which appearance and purpose depend on the operation mode of the device are located below Other information is displayed depending on the selected mode The appearance of the display in the RE VIEWmodewithАScanisgivenintheFigure6 A Scan output field B Scan output field Position data of the crosspoint of the cursor Amplitude at the crosspoint of the cursor Measured velocity of shear wave...

Страница 14: ...eys are all given english markings The main functions and parameters are controlled by means of the keys with icons The functional keys F are located under the screen A corresponding explan atory icon is located above each key The control keys located to the left of the screen are used to select and readjust the active parameters Their actions are similar for different operation modes of the devic...

Страница 15: ...he function they control Every mode has its own icon set The icons can be either active or passive In the active state it is possible to adjust the functions or parameters of the device associated with the active icon ATTENTION HEREINAFTER WE USE THE ENUMERATION OF THE ICON WINDOWS AND THEIR ASSOCIATED FUNCTIONAL KEYS FROM 1 TO 6 FROM LEFT TO RIGHT 1 3 5 Operation modes The device has two operatio...

Страница 16: ... synthesizing focused aperture with combinational sounding SAFT К is used in the device in which the ultrasound is focused at each point of the half space The data sets arrays are formed by collecting information from all measuring pairs of the tomograph antenna assembly In the course of work the internal computer processes the signals received by the antenna array in the real time Thereupon the d...

Страница 17: ...or to leave the mode press the key The main screen in the SETUP mode is given in the Figure 8 The left column contains the list of the parameters the right column contains their values The functions o f the icons in the SETUP mode are listed in the Table 2 Figure 8 Table 2 Key Icon Purpose F1 Parameter setting F2 Selection of analogue gain and functional checkout of the antenna array F3 System set...

Страница 18: ...er to be configuredw Change the parameter value Exit the SETUP mode Table 3 Table 4 The parameter description and their permissible values are listed in the Table 4 Parameter Value Description Color gain dB from 0 to 60 in increments of 1 Changes the brightness scale for the synthesized image Analog gain dB from0to100inincrementsof1 Selects the gain coefficient in the path of the device to pro vid...

Страница 19: ... Off Switching On Off the surface wave Using the measured velocity On Off Selects the velocity for formation of SAFT On measured velocity of transversal waves Off velocity value set in the SETUP mode Velocity m s from 1 000 to 10 000 in incre ments of 1 Manual velocity adjustment Parameter is not active when the parameter Using the measured velocity is On 2D Filter On Off Switching On Off the 2D F...

Страница 20: ... analogue gain and testing the performance of the antenna array are listed in the Table 5 Figure 9 Table 5 Table 6 Icon Purpose Scroll the rows to select a parameter to be configured Change the parameter value Exit the SETUP mode The parameter description and their permissible values are listed in the Tab le 6 Parameter name Value Description Automatic testing of the sample To start the automatic ...

Страница 21: ...vice to provide maximum dynamic range without the signal limitation Transmitter from 1 to 8 Selects the transducer which acts as a transmitter Cannot be the same as the number of the receiver Receiver from 1 to 8 Selects the transducer which acts as a receiver Cannot be the same as the number of the transmitter The order of the transducers enumeration on the antenna array is pre sented in the Figu...

Страница 22: ... Value Description Firmware version Current firmware version of the device Language Russian English Selects interface language Complete memory cleaning free ХХХХ MB The amount of free memory will be displayed Starts the memory cleaning procedure by pressing the key NOTE COMPLETE MEMORY CLEANING ALL SETTINGS AND DATA WILL BE DELETED Delete all MAPs Х Х MB The amount of the memory occupied with maps...

Страница 23: ... AA On Off Switching On Off the laser beams on the antenna array Demonstration of B Scan sec 1 2 3 Demonstration time of a В Scan Saving of BMP file On Off Switching On Off a received image recording to a bmp file Sound On Off Switching On Off the acoustic signals Sensing mode Local Continuous Local Selects the sounding mode Set default parameters Sets the default parameters Starts the procedure b...

Страница 24: ... the SETUP mode Table 8 To edit the Time or Date parameters please do the following select the Set time parameter and press the key the editing window is opened Figure 13 Use the keys to select the Time or Date parameter to be edited Use the keys to select a position of the selected parameter to be edited Configure the parameter value using the keys To save the changes press the key When the Full ...

Страница 25: ...ame using the keys To view of the saved В Scan on the screen do the following go to its name in the list press the key and press the START key To delete any saved В Scan press the key F6 Figure 15 1 4 1 5 View and create maps When entering the mode for the first time the first line Create map will be highlighted in the list of the names At that the default parameters Figure 16 are displayed to the...

Страница 26: ...ncy Ultrasonic Tomograph Operation Manual 26 ACOUSTIC CONTROL SYSTEMS To delete any saved map of В Scans press the key F6 To create a new map do the following go to the Create map line using the keys Figure 17 Figure 16 Figure 17 ...

Страница 27: ...aph Operation Manual 27 ACOUSTIC CONTROL SYSTEMS Figure 18 Figure 19 To edit the values press the key The values for the parameters become editable Figure 18 After making the necessary configurations exit the editing mode by pressing the key Figure 19 ...

Страница 28: ...y Ultrasonic Tomograph Operation Manual 28 ACOUSTIC CONTROL SYSTEMS Figure 20 Figure 21 Please name the map to save it To do it press the key The window for map name change will open Figure 20 The map can be given any name Figure 21 ...

Страница 29: ...re 22 Figure 23 To save the name press the key F1 The map will be listed under a new name Figure 23 By default it is offered to save the new map under the name of the map on the basis of which it was created with a serial number added Figure 23 Here a new map was created on the basis of the New map map ...

Страница 30: ...ering the name of the symbol performance of the action Exit the name edit mode and go to the SETUP mode window not saving the name Key Icon Purpose F1 Saves the generated name F2 F3 Moving the cursor in the field of the name to the left to the right F4 Enter capital letters F5 Delete the symbol located to the left of the cursor F6 Delete the symbol located to the right of the cursor Table 9 Table ...

Страница 31: ... the MAP mode The mode operates as follows when the antenna array is set onto the area of the inspected object the result is displayed on the screen in the form of a В Scan generated image To check the settings of the device do the follow ing place the antenna array in the places where the internal structure of the inspected object is already inspected so you can check the correctness of the gener...

Страница 32: ... F2 Saves the generated name F3 F4 Moving the cursor in the field of the name to the left to the right F5 Enter capital letters F6 Delete the symbol located to the left of the cursor Table 12 Icon Purpose Moves the cursor up and down Decreases increases the gain value Enters the MAP mode Enters the SETUP mode Table 11 The functions of the keys in the REVIEW mode are listed in the Table 11 ...

Страница 33: ...ser can visually control the B Scans images generated on the basis of the received data The mode should be used after confirming the correctness of the received images in the REVIEW mode On the screen only the images of the B Scans received in the current position of the antenna array will displayed The received sig nals and system settings will be automatically recorded in the memory To switch to...

Страница 34: ... mode Enters the SETUP mode Table 13 The functions of the keys in the MAP mode are listed in the Table 13 The functions of the icons in the MAP mode are listed in the Table 14 Key Icon Purpose F1 F2 Zoom in Zoom out F3 Change scanning direction F4 Delete the current В Scan from the map F5 No saved maps Open the maps of the B Scans saved into the memory and view them on the screen Table 14 ...

Страница 35: ...e saved В Scans Figure 25 1 4 4 Viewing the saved data To view the saved data do the following in the REVIEW mode or the MAP mode press the key F6 The display appearancewhenviewingthesavedВScansintheREVIEWmodeisshownintheFigure26 Thefunctionsofthekeyswhenviewing the saved В Scans are listed in the Table 15 The functions of the icons when viewing the saved В Scans are listed in the Table 16 Icon Pu...

Страница 36: ...n The smooth and even surface of the inspected object increases the quality of ultrasonic contact of the antenna array system with the surface thus improving the image quality Hence it is recommended to choose smooth and even surfaces if possible 2 2 3 Create the scanning pattern and mark the surface of the inspected object Prior to performing the inspection it is necessary to develop the scanning...

Страница 37: ...key to switch on the device the LED above the key will turn green The device will automatically enter the mode being active before switching off preserving the corresponding settings Press the key key to switch off the device The objects can be inspected using the tomograph by two ways local inspection and continuous inspection 2 3 1 Local inspection When performing the local inspection the antenn...

Страница 38: ...ional image and draw a conclusion from it whether the retrieved data are enough for taking a decision Or select another position for the antenna array to receive more accurate information The data received in this inspection mode are recorded automatically Hence the operator shall record them manually if required as separate frames You can view the saved data in the REVIEW mode After all informati...

Страница 39: ...NSTRUMENT WITH A COMPLETELY DISCHARGED BATTERY TO PREVENT THE BATTERY FAILURE 3 1 POWER SUPPLY AND ENERGY CONSUMPTION 3 2 ROUTINE MAINTENANCE 3 3 POSSIBLE MALFUNCTIONS While in service clean the housing oft he device from dirt and dust using a cleaner for cleaning plastics Wipe the dirty protective glass of the screen with a soft cloth wetted with cleaner for cleaning plastics A dirty keyboard can...

Страница 40: ...nnel and unrestricted access to them The distance between the instruments and the walls floor of the warehouse and other warehoused instru ments shall be at least 100 mm The distance between the heating units in the warehouses and the device shall be at least 0 5 m The storage room shall be free from the current conducting dust mixtures of aggressive gases and corro sive vapors able to attack the ...

Страница 41: ...vices should be properly and steadily fixed to prevent shocks of devices against each and against vehicle walls during the transportation When transported in open vehicles the device shall be protected against rain and water splashes If shipped by air transport properly packed instruments should be placed in hermetically sealed and heated compartments In case the transportation conditions differ f...

Страница 42: ...А1020 MIRA Lite Low Frequency Ultrasonic Tomograph Operation Manual 42 ACOUSTIC CONTROL SYSTEMS NOTES ...

Страница 43: ...А1020 MIRA Lite Low Frequency Ultrasonic Tomograph Operation Manual 43 ACOUSTIC CONTROL SYSTEMS ...

Страница 44: ...А1020 MIRA Lite Low Frequency Ultrasonic Tomograph Operation Manual 44 ACOUSTIC CONTROL SYSTEMS OPERATION MANUAL Revision February 2018 А1020 MIRA Lite Low Frequency Ultrasonic Tomograph ...

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