Serie QS5 - demeq.com
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1. Differential Real value Nominal value Where the nominal value is a reference value for the test piece Touch on Nominal to set this value and touch to save To exit without making changes touch Ol 44 Chapter 3 QS5 User Manual 3 4 3 Adjust gain Goin Touch on Gain to change this value and touch to save To exit without making changes touch For additional information on setting the gain refer to Changing trigger and gain page 20 3 4 4 Adjust trigger Trigger Touch on Trigger to change this value and touch to save To exit without making changes touch For additional information on setting the gain refer to Changing trigger and gain page 20 3 4 5 Select refresh rate Refresh Touch on Refresh to open the refresh rate options menu the speed in which measurements will be taken Use the AFV keys to scroll menu 1c options and touch to select 26Hiz Fast To exit without making changes touch oY Figure 3 26 Refresh rate speed options The factory default for this setting is 4 Hz 4 measurements per second which is enough for most applications When looking for additional details or for scanning a specific test piece section we recommend switching to higher refresh rates Chapter 3 45 QS5 User Manual 4 Notes 4 A higher refresh rate increases energy consumption 7 therefore reducing battery life Storing measurements in the Datalogger at high speeds means the size of the memory2. amp f The material condition analyzer operates only in Echo 1 7 mode In Echo 2 or thru paint mode the flaw alarm is 32 Chapter 3 QS5 User Manual 3 2 3 Set BScan Range BScon Range Here you can set high and low values thickness range that will be represented on the vertical axis of the graphic BScan measure screen dioh 18 88 Low 1 88 a S 5 50 10 00 Range adjust menu Range representation in BScan graphic Figure 3 9 BScan range and graphic representation Touch on BScan Range to open the menu Touch on High or Low to open the numbers editor where you can set a value using the cursor keys Touch to save and return to the previous menu 3 2 4 Select language Language Touch on Language which is also identified with a flag to view available language options Use the cursor keys to scroll available nglish Spanish language options and touch to select Portuguese Touch O to save and exit this menu Figure 3 10 Language menu options Chapter 3 33 QS5 User Manual 3 2 5 Unit information Unit Info Select Unit Info to view information including owner data as well as the software version that your unit is running To view different unit information screens touch the EJ EZ keys To return to the main menu touch Note 4 The information required to obtain model upgrade 7 licenses is included in this option 3 2 5 General configuration options Conf igure Touch on the Configure
3. 3 4 Measuring configuration options Ultrasonic Select Ultrasonic from the main menu to display measuring configuration options Heasure Abs Gain 49 Trigger 25 Setting these options correctly is critical in Refresh 4z attaining reliable measurements Freq SHhz Coating Type Calibr Auto Hold Last DAC Bar Anal i zer Nuns Zoon Autotain Pulser 138 Set Default DODO Figure 3 23 Measuring configuration options menu 3 4 1 Set material velocity Veloc Touch on the Veloc option to change the material velocity so that it matches the material that will be measured Use the cursor keys to change the velocity and touch to enter To exit without making changes touch ot Touch the when editing velocity and a screen will appear with a list of the most commonly used materials and their velocities Use the cursor keys to scroll the list and touch to select or touch Eas to exit and return to the edit velocity field Chapter 3 43 QS5 User Manual Velocity Figure 3 24 Change material velocity and material velocity list 3 4 2 Select measure mode Heasure Touch on Measure to open the measure modes options menu om Nominal Different f Nominal 18 88 Figure 3 25 Measure mode options menu and set nominal value The modes in which measurements are represented are Absolute the unit displays the real measured value Different the displayed value is the result obtained from calculating
4. Measuring principal Measuring range Transducer frequency Capture speeds Pulser tension V Path Units Resolution Material velocity Calibration Alarms Languages Datalogger Connection to PC Pulse Echo Echo Echo 0 6 mm to 500 mm Pulse Echo 2 5 mm a 20 mm Echo Echo 2 to 10 MHz 4 8 and 20 Hz Adjustable 20 V to 210 V Automatic correction Millimeters Inches and Microseconds 0 01 mm from 0 60 to 99 99 mm 0 1 mm from 100 0 mm and above 0 001 in from 0 040 to 9 999 0 01 in from 10 00 in and above 100 to 19999 m S 3 937 to 787 3 in ms Auto 1 Point and 2 Point Defects Min Max Audible and visual English Spanish Portuguese Capacity of 32000 values organized in up to 8 files with alphanumeric names Manual Single Continuous capture modes Record Date and Time View data including Statistics in grid or graphic formats USB native or RS232 optional Appendix QS5 User Manual Display Keypad Battery life Operating temp Enclosure Weight Appendix Graphic LCD 128 x 64 pixels with LED backlight illumination and contrast adjustment Touch sense with no mechanical parts and sensitivity adjustment 100 hours with 2 each type AA batteries 10 C to 50 C High impact ABS with rubber sides Size is 78x117 x24 mm 200 g with batteries QS5 User Manual Additional information Unit maintenance The QS5 was developed and manufactured for years of trouble free oper
5. Solution Download Datalogger values to PC or printer and erase memory If a message with a different number appears on your unit display please contact dmq immediately Appendix QS5 User Manual Our website www demeq com Our website is a powerful customer support tool where you will find the latest information as it relates to your QS5 including e Application notes Manuals and brochures e Software updates e Model upgrade license information New accessories Software updates To download software updates to your QS5 you must have dmq DataCenter installed on your PC To download the latest updates for your unit refer to www demeq com Download html Technical support Our service department is committed to providing prompt and courteous service Should you encounter any trouble with your QS5 please send us a detailed description of your problem to www demeq com form Support html Appendix P N QSD 501 ENG Rev 3 2012 dmq
6. optimal format for mini printers of 40 columns 9600 8 N 1 w The print option can only be used with RS232 printers Files cannot be sent directly to a USB printer When you use DataCenter to connect your selection of PC or Print will not affect communication 4 8 2 Capture modes Capture Touch on Capture to select the mode in which values will be stored in the Datalogger E e E E E ianual Single r O 0 Continuous Figure 4 19 Memory capture modes menu 66 Chapter 4 QS5 User Manual The QS5 has the following capture modes Manual Touch the key to store values Single Each time the transducer is coupled a thickness measurement is stored In this mode values can also be stored using the key Continuous When the transducer is coupled thickness measurements are continuously stored at a rate of Refresh N Where refresh refers to the number of values per second that the unit reads Page 45 and N refers to the Store Every N number of values that can be set on the Advanced Datalogger menu options Page 67 4 8 3 Set number of values Histogram Touch on Histogram to set the number of values for each batch when the Fix Batch option is enabled 4 8 4 Selecting fixed batch Fix Batch When the Fix Batch option is enabled the unit automatically closes a batch and opens a new one when the number of values that you set for the histogram is reached When the Fix Batch option is disabled v
7. 5 Single file menu options Chapter 4 55 QS5 User Manual 4 4 1 View data in a single file View Dota Touch on View Data to view the contents of the file Touch Raa to exit the file Figure 4 6 File view in a grid format To move inside the grid use the cursor keys Touch on a value to open a histogram that includes that same value as well as the values included in the foregoing cells within that column Touch Fay to exit and return to the grid A Cells 1 a 16 Figure 4 7 Histogram representation High and low alarm values appear in the histogram as dotted horizontal lines 4 4 2 The Q key in a grid Touch BSE to open the quick access menu that allows you to go directly to a position inside the grid Select the Row Column and Cell using the ES TAT gt keys 56 Chapter 4 QS5 User Manual Figure 4 8 Quick access menu options in a grid Row Enter a row number using the cursor keys so that when you touch the grid will position itself directly on that row Column Enter the column letter using the cursor keys so that when you touch the grid will position itself on that column Cell This is a combination of column and row so that you can go to a specific cell after you enter the row number and column letter 4 4 3 The Q key in a histogram Touch the WS key in the histogram to open the quick access menu that allows you to obtain statistical information on the batch of values being displaye
8. established the files in your unit memory will appear in DataCenter To view their contents simply double click on each file For additional information on dmq DataCenter software refer to the manual included in the CD that you received with your QS5 or download the manual at http www demeq com Download html 64 Chapter 4 QS5 User Manual 4 8 Datalogger configuration Conf igure In the memory menu touch on Configure to open the Datalogger configuration options menu Send PC Capture Manu Histooran 18 Fix Batch Advanced Figure 4 17 Datalogger configuration options menu 4 8 1 Configure communications The first two options in the configure Datalogger menu are Mode and Send which allow you to select how the unit will communicate with a PC or a printer i gt Capture Manu Histooran 18 10 25 Send PC z Figure 4 18 Configure communications options Touch on Mode to select the type of connection USB Select USB to connect to a PC using a USB cable included You must already have DataCenter installed in your PC Chapter 4 65 QS5 User Manual RS232 Select RS232 to connect to a PC or a printer using an RS232 cable optional Touch on Send to select whether you will send files to a PC or a printer PC When using an RS232 cable the unit sends data in an optimal format for Windows HyperTerminal 38400 8 N 1 Print Using an RS232 cable and printer the unit sends data in an
9. key in a grid 4 4 3 The Q key in a histogram 4 4 4 The Q key in a SCAN graphic 4 4 5 Send data from a single file 4 4 6 Rename a file 4 4 7 View file size Actions over all files 4 5 1 Send all files 4 5 2 Erase all files The Datalogger in the measuring screen 4 6 1 Datalogger information 4 6 2 Quick memory menu Mem key Connecting to a PC with DataCenter Datalogger configuration 4 8 1 Configure communications 4 8 2 Capture modes 4 8 3 Set number of values 4 8 4 Selecting fixed batch Advanced Datalogger configuration 4 9 1 Store every N number of values 4 9 2 Record operator actions 4 9 3 Record date and time 50 51 52 53 53 54 55 56 56 57 59 60 60 60 60 61 61 62 62 63 64 65 65 66 67 67 68 68 68 69 QS5 User Manual Appendix Tips on how to measure correctly Technical specifications Additional information Unit maintenance QS5 accessories Error messages Our website www demeq com Technical support QS5 User Manual Thank you choosing dmq And thank you for purchasing a QS5 ultrasonic corrosion and wall thickness gauge Company Statement At dmq we develop manufacture and distribute software and quality control instruments offering innovation and solutions that come as a direct result of listening to your needs as a user We apply some of the latest technology available in the industry to build instruments that are robust precise and easy to operate We are c
10. paint mode QS5 E and QS5 DLE only the unit measures the time interval between the first and second echoes and does not take into consideration the time delay from the transducer Emision Pulse 1er Echo 2do Echo D oO a Delay 2 Thickness 2 Thickness iO a Echo 1 i Echo 2 VII QS5 User Manual Figure 1 Echo 1 and Echo 2 mode acoustic wave representation Testing Limitations In ultrasonic testing information is obtained from measuring sound waves Users must be very careful when making assumptions in regards to the entire test piece condition when there are areas that have not been inspected In large and massive test pieces it would be practically impossible to test the entire piece and therefore conclusions for the whole piece based solely on the areas that have actually been inspected should only be done by experienced operators Only trained users should evaluate test pieces that could present erosion and or corrosion Critical Operating Procedures In order to minimize test result errors the following must be observed l Zero calibration Before taking actual measurements the unit and transducer have to be calibrated Calibration of the transducer is also known as zero calibration or delay calibration Page 75 If the unit and transducer are not calibrated or calibrated incorrectly the resulting measurements will be unreliable Each and every time a transducer is changed it must be calibra
11. screen Use the ATV keys to choose any of the two available menu options and touch to select To exit without making changes touch Ol Figure 3 29 Unit calibration menu options The QS5 has two calibration modes Auto Calibration is automatically done when coupling the transducer using the calibration disk located in the front of the unit page 15 Chapter 3 47 QS5 User Manual 2 Point Calibration is done with one or two test piece samples of a known thickness and made of the same material that you will be measuring page 17 The 2 Point calibration will usually result in more precise thickness measurements 3 4 9 Hold last value Hold Lost When you enable the Hold last option the last measured value will be displayed on the unit screen even when the transducer is not coupled When hold last is disabled and the transducer is not coupled the unit display will read Touch to enable or disable this option Bn fn Evra fai 59007 25 G 75 59007 25 6 75 293 7 6 35 293 74 6 35 Hold Last mode off Hold Last mode on Figure 3 30 Measuring screens with hold last enabled or disabled 3 4 10 Energy level compensator DAC NAC Bor When the DAC Bar option is enabled the unit compensates the energy level on the vertical energy bar based on measured thickness page 22 When this option is disabled the energy level on the vertical bar is shown just as provided by the transducer Touch to enable or disab
12. until you find the character you want to use and touch to select Touch Eas to move to the upper case virtual keyboard and to the numbers and symbols keyboard as seen on figure 3 3 There are 4 keys that are common to all virtual keyboard screens yy amp I 4 Figure 3 4 Common virtual keyboard keys 1 Move cursor to the left 2 Move cursor to the right Chapter 3 29 QS5 User Manual 3 Erase the character on which the cursor is on em 4 Enter and exit a Figure 3 5 Quick access keys for the virtual keyboard editor Touch the key to open the quick access keyboard to the most commonly used virtual keyboard keys Each virtual key corresponds to a key on the front panel of the unit as follows Ea Move the cursor to the left Erase the character on which the cursor is on BScan Pal Move the cursor to the right Undo uu Erase the character to the left of the cursor Enter and exit To close the quick access keyboard and continue using the virtual keyboard touch Qa 30 Chapter 3 QS5 User Manual 3 2 Main menu The main menu is the first list of options that appears when you exit the measure screen and it includes the most important settings Alorns rll es BScon Range Henory Touch Eag from the measuring screen to Ultrasoung gt access this menu Language A Conf igure Unit Info Figure 3 6 Main menu Note The options of Configure Ultrasonic and Memory are expla
13. 1 4 Replace Insert batteries li Notes 4 K Use new alkaline top brand batteries only Do not mix new and old batteries Always replace both batteries Rechargeable batteries type NiMH can be used but will result in less time of continuous operation 4 Chapter 1 QS5 User Manual Important j Do not remove batteries while the unit is powered as this may affect the Datalogger See Appendix Additional information Error Messages 1 3 Connecting the transducer The QS5 has two type Lemo 00 connectors located on top of the unit Because this is the standard for most dual crystal probes you could basically connect any probe to your QS5 Keep in mind that the gain may need to be adjusted when changing probes To connect the probe simply align any of the male connectors located at the end of the transducer cable to any of the female connectors located on the gauge and press gently until connected To release the probe hold the knurled section on the male connectors and pull gently away from gauge until released Figure 1 5 Connecting the transducer Chapter 1 5 QS5 User Manual 1 4 The Q key The has three functions e When the unit is off touch for 2 seconds to power on the unit When the unit is on touch for 2 seconds to shutdown the unit e With the unit on making short touches to the will activate special functions described in later chapters of this manual 1 5 Display bac
14. QS5 User Manual Contrast on LCD screens can change with temperature Use the contrast option to compensate for changes caused by temperature in order to maintain optimal viewing conditions 3 3 6 Beeo Activation Beep Beep refers to the sounds that the unit makes when keys are touched and when the audible alarm is activated Touch to enable or disable the beep option 3 3 7 Introduction screen Intro The introduction screen is the first screen that you would see if this option is enabled after the unit is turned on It includes owner information such as name telephone number and e mail Touch to enable or disable this option 3 3 8 Owner information Set I0 This option allows you to enter owner information the info that would appear on the introduction screen Touch on Set ID enter the password the factory default password is 12345 and touch to access user info menu options 38 Chapter 3 QS5 User Manual Password 12344 Phone Donain Edit Poss Figure 3 17 Enter password to access the user info menu The user information that can be added or changed at anytime includes the following Name Set or change the owner name Phone Set or change the telephone number Name Set or change the e mail before the Domain Set or change the domain for the e mail after the Edit Pass Allows you to change the password needed to access this menu E gt i When showing user information the e
15. User Manual English Ultrasonic Corrosion and Thickness Gauges OL QS5 Models B DL E DLE www demeq com QS5 User Manual Ultrasonic Corrosion and Wall Thickness Gauges P N QSD 501 ENG Rev 3 2012 Index Chapter 1 Chapter 2 1 1 1 2 1 3 1 4 1 5 1 6 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 QS5 User Manual First Steps Know the QS5 1 1 1 Front panel 1 1 2 Connectors Install or replace batteries Connecting the transducer The Q key Display illumination and contrast 1 5 1 Display backlight illumination 1 5 2 Display contrast Locking and unlocking the keypad Measuring with the QS5 Numerical measure screen Normal 2 1 1 Screen mode 1 Min Max 2 1 2 Screen mode 2 Percentage Value 2 1 3 Screen mode 3 Datalogger Keys in numerical measure modes BScan graphic measure screen Keys in BScan graphic measure sceen mode Zero calibration Auto 1 Point and 2 Point calibration Changing the material velocity 2 7 1 Change to a known velocity 2 7 2 Change velocity using a known thickness value Adjusting trigger and gain Understanding the coupling icons and the energy level indicator 2 9 1 Coupling icons 2 9 2 Coupling energy level indicator Measuring thru coating or thru paint NN ODD ODUNN gt gt 10 11 11 14 15 15 17 19 19 19 20 21 21 22 25 QS5 User Manual Chapter 3 3 1 3 2 33 3 4 Menu system and e
16. ally indicate the possible presence of corrosion or pitting 22 Chapter 2 QS5 User Manual e The material attenuation level that allows the operator to detect metal treatments that have an effect on the ultrasonic characteristics of a material The QS5 has two modes for representing the energy absorbed by the transducer No DAC Shows only the energy level as provided by the transducer With DAC Compensates the energy level based on the measured thickness Use DAC to detect material conditions such as thermal treatments and test piece defects easier regardless of the measured thickness DAC is activated in the Ultrasonic menu page 47 The higher the energy level reflected from the test piece bottom the higher the energy level will be on the vertical bar This is an indication of good coupling Low energy indicates any of the following poor coupling not enough coupling gel high attenuation materials treated metals and some plastics an irregular test piece bottom surface possible corrosion or pitting or if DAC is disabled it may be reflecting the test piece thickness Couple None Excelent Good Poor Attenuation Low Medium High Thickness Steel 1a30mm 30 a 100mm gt 100mm Figure 2 11 Vertical bar energy level representations Chapter 2 23 QS5 User Manual 24 Tips Sudden intensity loses usually mean that there are defects in the test piece related to corrosion or pitting When measuring thick test p
17. alues are stored until the batch is manually closed You can close a batch by entering the Batch option by touching the Mem key while you are in the measuring screen Touch the key to enable or to disable the Fix Batch option Chapter 4 67 QS5 User Manual 4 9 Advanced configuration Advanced Touch on Advanced to access the advanced configuration options menu for the Datalogger E Sto Every 2 History Z Clock Off Figure 4 20 Advanced Datalogger configuration options menu 4 9 1 Store every N number of values Store Every Touch on Store Every to set the number of measurements done by the unit before a value measurement is actually stored in the Datalogger when Continuous capture mode is enabled Page 66 4 9 2 Record operator actions History When you enable history the Datalogger will register the unit settings for each measurement that is stored Information such as gain trigger velocity and calibration settings are stored along with the thickness value This data can only be viewed in DataCenter When history is enabled the unit memory capacity decreases as more data is stored Touch on History to enable or disable this option and touch Eag to exit 68 Chapter 4 QS5 User Manual 4 9 3 Record date and time Clock Touch on Clock to set the time and date options that will be recorded by the Datalogger each time a new batch is opened Touch AIV to scroll all menu
18. ancel and return to the previous menu or touch to begin deleting all files Erase ALL Figure 4 12 Erase all confirmation screen When the erase all action has been confirmed the following screens will be displayed Erase ALL Erase ALL mee EE Erasing Done Figure 4 13 Erase all progress screen Chapter 4 61 QS5 User Manual 4 6 The Datalogger in the measuring screen 4 6 1 Datalogger information The QS5 Datalogger measure screen includes information and options to assist you in storing data o 29 00 25 6 75 59882 Grid be PS Figure 4 14 Information in the Datalogger measure screen 1 Datalogger status indicator icon EF followed by any of the following letters X M U C S Datalogger is disabled no open file Manual capture mode Single auto capture mode Continuous auto capture mode SCAN block capture mode 2 Storage type Grid or SCAN If measurements are being stored in a grid Grid will be displayed When a SCAN is stored the display will read Scan N where N is the position of the scan block in the grid Name of the open file 4 Position of the stored value within the grid Column Row 62 Chapter 4 QS5 User Manual MG The Datalogger status indicator can be viewed on all QS5 measure screens as well as in the graphic screen If no file is open the Datalogger will display No File and the unit will automatically switch to the M
19. ation and even though the unit does not require special care the following precautions should be considered Avoid contact with corrosive and abrasive substances Do not clean the unit with solvents e Do not leave the unit display exposed to direct solar light for prolonged periods of time as this could damage the display e Remove the batteries if the unit will be stored for an extended period of time e Remove the transducer using the connectors and not the cable e Do not twist or strangle the transducer cables Do not expose the unit to temperatures below 10 C 14 F or above 50 C 122 F Appendix QS5 User Manual QS5 Accessories For additional information and accessories for your QS5 visit www demeg com Accessories QS html Appendix QS5 User Manual Error messages Error messages may eventually open on your unit screen and are informational only If one of these messages opens on your display follow the instructions described below and if the problem persists please send us a detailed report at www demegq com form Support html Sus Hessoge Figure A 2 System error message Error1 Internal Error Cause Internal Error Solutions Shutdown the unit wait a few seconds and power back on Contact dmq Error2 Attempt to store a value over an existing value Improper unit shutdown Example Removing batteries and powering the unit back on to store values in the Datalogger
20. d Chapter 4 57 QS5 User Manual A Cells 1a 8 A n B 8 Std Dev 0 025 am cux T s Advanced Statistics 5 00 Error Report Statistics Report Distribution of Values Figure 4 9 Quick access menu options in a histogram Error Displays the number of errors and error percentage values in the batch based on the high and low alarm settings Stats View statistical information for the batch including Min Max Range and Mean values Stats View the standard deviation and the percentage coefficient variation for the batch Distr Displays the distribution of values for the batch in a graphic format dynamic batch 58 Chapter 4 QS5 User Manual 4 4 4 The Q key in a SCAN graphic Touch on a SCAN cell to open the quick access menu that allows you to easily move inside the scan and to view statistical information on the scan Location 4 96 mam 25 03 mm 20 07 mm 14 61 mm Statistics Report Error Report Distribution of Values Figure 4 10 Quick access menu in a scan graphic Goto Access a specific position within the scan by entering its location List List Opens the list of measured values in the scan use the ATV to scroll Stats View the options of Stats Error and Distr Stats View statistical information including Max Min Mean and Range of all values within that SCAN cell Chapter 4 59 QS5 User Manual Error Displays the number of errors and error percenta
21. diting Instructions on using the menu system 3 1 1 Text editor Main menu 3 2 1 Change measuring unit 3 2 2 Alarm settings 3 2 3 Set BScan range 3 2 4 Select language 3 2 5 Unit information General configuration options 3 3 1 Set time and date 3 3 2 Set time and date format 3 3 3 Set keypad sensitivity 3 3 4 Set auto off time 3 3 5 Adjust display contrast 3 3 6 Beep activation 3 3 7 Introduction screen 3 3 8 Owner information 3 3 9 Lock configuration options 3 3 10 Model upgrade licenses 3 3 11 Return to factory default settings Measuring configuration options Ultrasonic 3 4 1 Set material velocity 3 4 2 Select measure mode 3 4 3 Adjust gain 3 4 4 Adjust trigger 3 4 5 Select refresh rate 3 4 6 Select transducer frequency 3 4 7 Select coating type 3 4 8 Select calibration mode 3 4 9 Hold last value 3 4 10 Energy level compensation DAC 3 4 11 Material condition analyzer 28 29 31 31 31 33 33 34 34 35 35 36 37 37 38 38 38 40 41 42 43 43 44 45 45 45 46 46 47 48 48 49 Chapter 4 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 QS5 User Manual 3 4 12 Nums Zoom measuring screen mode 3 4 13 Continuous measuring monitor 3 4 14 Adjust pulser excitation voltage 3 4 15 Return to factory default settings Using the Datalogger Understanding how data is organized Memory menu Creating a file Actions over single files 4 4 1 View data in a single file 4 4 2 The Q
22. e screen mode 2 10 Chapter 2 QS5 User Manual 2 1 3 Measure screen mode 3 Datalogger 29 00 59002 25 6 75 Murite A 46 Figure 2 3 Measure screen mode 3 ot 17 Data storage modes Grid SCAN 18 Name of open file where data is being stored Page 53 19 Position within the grid of the last stored value Column Row 2 2 Keys in numerical measure modes In all three numerical measure screen modes the following applies in terms of keypad functionality Echo BN Touch once to switch from Echo 1 to Echo 2 Touch again to switch back to Echo 1 the Echo key is active only in QS5 E and QS5 DLE models Store AS Touch to manually store the measurement in the memory BScan Mal Touch to switch to real time graphic BScan mode Touch to exit the measure screen and enter the main menu Touch to view quick memory access options Chapter 2 ia QS5 User Manual U Touch to activate the Select Edit mode Four flashing arrows will appear over the fields of measurement velocity trigger and gain Set thickness 109 0 Om Set velocity ka grog GZ 75 La Set gain lt 293 7 6 35 gt Set trigger Figure 2 4 Measuring screen in select edit mode e To select thickness measurement touch e To select material velocity touch e To select trigger touch e To select gain touch Always use the ATV keys to edit the values in any given field and touch to save Tr
23. e window indicating the mode you are in disappears This means that the unit is now set for the Echo mode you selected Echo 1 lt _ gt Ja Hermal ere Echo 2 Coating 2 Wee Figure 2 12 Change of Echo windows normal or coating Multi echo units use separate ultrasonic configurations for each echo mode This means that when switching between Echo 1 and Echo 2 modes the gain trigger and voltage of the pulse emission are maintained for each mode In the example below the gain level for Echo 1 is 75 and for Echo 2 it is 63 These gain levels will not change as you switch modes Chapter 2 25 QS5 User Manual 22 6 75 Echo 1 Without Coating Echo 2 With Coating Figure 2 13 Ultrasonic settings on each echo mode All unit menu screens display an icon indicating the echo mode that the unit is operating in Echo 1 Echo 2 Without Coating With Coating la Ia Figure 2 14 Echo mode icon in menu screens In Echo 2 mode the unit does not need to be calibrated and calibration is actually blocked because when operating with multiple echoes the delay in the transducer does not affect the thickness measurement To obtain precise and reliable measurements in Echo 2 mode the following considerations and limitations should be considered e The test piece coating should not exceed 2mm This may vary according to the attenuation of the coating material e The thickness of the actual test piece should not exce
24. ece sample Measure 1st Pt and two additional options will be displayed Edit and Exit Touch Exit to end the calibration using just the unit calibration disk or measure the first test piece sample After a measurement is displayed touch Edit to edit the value using the cursor keys so that it matches the actual test piece thickness When you are done editing the measurement touch to save and the unit will ask Measure 2nd Pt When a measurement is displayed for the second test piece simple touch Edit to edit the value using the cursor keys so that it matches the second test piece simple thickness When you are done editing the measurement touch to end the 2 point calibration procedure Notes In the 2 point calibration procedure the thickness of the 1 point first test piece sample MUST be lower than the thickness of the second test piece sample The unit assumes that the material velocities of the test piece samples are the same and that the correct velocity has been set in the unit before the calibration procedure was initiated Use of the unit calibration disk does not change the velocity set by you Chapter 2 QS5 User Manual 2 7 Changing the material velocity 2 7 1 Change to a known velocity If you know the velocity of the material you will be measuring you can manually enter the velocity by doing the following e Go to any numerical measure screen mode If you are in graphic BScan mode
25. ed measuring or if the transducer is not coupled in the air But when the analyzer option located in the Ultrasonic menu page 47 Is Chapter 2 21 QS5 User Manual activated the unit now also alerts the operator on the possible condition of the test piece being measured When the material condition analyzer available exclusively from dmg is enabled the QS5 can display any of the following coupling icons Measuring in Echo 2 mode Coating Corrosion detected Measuring in Echo 1 mode Normal Pitting detected Figure 2 10 Coupling icon representations The analyzer only works in Echo 1 mode When measuring in Echo 2 or thru paint mode the coupling icon will simply indicate that you are measuring in that mode represented with two parallel lines Important Material defects that are represented by the coupling icons serve only as a warning and should not be interpreted as definitive results The specific area where the possibility of a material abnormality is detected should then be further inspected to confirm or discard the warning 2 9 2 Coupling energy level indicator The vertical bar located on the far right side of the measuring screen shows the echo signal intensity or energy level received by the transducer giving you valuable information such as e The coupling condition between the transducer and the test piece e The reflective bottom test piece surface condition where low energy levels would typic
26. ed 25mm 26 Chapter 2 QS5 User Manual e Lose or poor adherence between the coating and the test piece can result in scattering of ultrasonic waves making it impossible to measure e Use sufficient coupling gel for stable coupling in order to avoid erroneous or incorrect readings e Always use dmq hi damp transducers to measure in Echo 2 mode Standard probes will not work correctly in this mode Chapter 2 27 QS5 User Manual 3 Menu system and editing 3 1 Instructions on Using the menu system The instructions explained in this chapter apply to all of the menus in the unit To scroll QS5 menu options use the AIV cursor keys When you reach the end of the menu and move to the next menu option it becomes circular as shown below nglish S ew E Spanish Portuguese Figure 3 1 Example of how a circular menu works To select a menu option touch and to exit and return to the previous menu touch Ol To go to the measuring screen touch Ea from the main menu 8n nn Alarns 59882 25 6 75 BScan Range gt 7 58am 59 BA an Henory gt Figure 3 2 The Home key from the measuring screen 28 Chapter 3 QS5 User Manual 3 1 1 Text Editor The text editor is used to input change and delete letters numbers and symbols Figure 3 3 Alphanumeric editor screens 1 Selected key 2 Cursor 3 Text to be edited 4 Virtual keyboard Use the cursor keys on the unit to scroll the virtual keyboard
27. en Edit 9 The Q key Power On and Shutdown touch and hold for 2 seconds Make quick and short touches to activate special functions and features 10 Calibration disk 11 Horizontal scrolling center point lock and unlock keypad on measure screen 12 Vertical scrolling center point adjust LCD contrast 1 1 2 Connectors Figure 1 2 Unit connectors Receiving transducer connector Type Lemo 00 Emitting transducer connector Type Lemo 00 USB mini connector to connect to PC using a USB cable supplied with the unit Chapter 1 QS5 User Manual 1 2 Install or replace batteries The QS5 is powered by 2 two AA batteries that are placed in the battery compartment located in the back of the unit To access to the battery compartment slide the cover as shown in figure 1 3 1 and gently push the extraction ribbon upward and slightly towards the right to release the batteries figure 1 3 2 When you install new batteries first insert the positive end of each battery so that it coincides with the positive pole inside the battery compartment as you see in figure 1 4 1 Always leave the extraction ribbon underneath the batteries AA Size 1 5V ome ii I ASLeazisvv S aml a Extraction ribbon AGL 8ZIS WW Battery compartment cover Figure 1 3 Removing batteries Chapter 1 3 QS5 User Manual t ake ASLezisvv Hi am Battery compartment cover Figure
28. ge values in the scan based on the high and low alarm settings Distr displays the distribution of values for the scan in a graphic format 4 4 5 Send data from a single file Send Touch on Send File to send units with Datalogger only a single file to a PC using Windows HyperTerminal or to a printer using an RS232 connection This option does not work in USB mode 4 4 6 Rename a file Renone Touch on Rename to open the text editor that allows you to change the file name 4 4 7 View file size Size Touch on Size to view the number of stored values within a single file and the size of the file as a percentage of total unit memory You can also view the date and time in which the file was created 4 5 Actions over all files FALL Files Touch on All Files to open the menu for actions that will affect all files stored in the unit memory Erose ALL Figure 4 11 Actions over all files menu 60 Chapter 4 QS5 User Manual 4 5 1 Send all files Send ALL Touch on Send All to send units with Datalogger only all files stored in the unit memory to a PC using Windows HyperTerminal or to a printer using an RS232 connection This option does not work in USB mode 4 5 2 Erase all files Erase ALL The Erase All action permanently deletes all files stored in the unit memory and recovers 100 of the memory capacity Before files are deleted a screen will be displayed asking you to confirm or to cancel this action Touch to c
29. he transducer is coupled it automatically switches to the measuring screen regardless of the menu you are in Touch to enable or disable this option Note a Enabling the continuous measuring monitor slightly increases battery consumption By default this option is disabled 50 Chapter 3 QS5 User Manual 3 4 14 Adjust pulser excitation voltage Pulser Touch on Pulser to adjust the transducers pulser excitation level Touch the AIV keys to adjust the tension and touch to save and exit To exit without changes touch Ea Figure 3 32 Transducer pulser excitation tension editor screen Just like with the trigger and gain settings the pulser tension is set separately for Echo 1 and Echo 2 modes Considerations when adjusting the pulser excitation tension Higher excitation or tension levels mean that more energy is applied to the emissions crystal in the transducer making it easier to measure in high attenuation and large or thick materials When measuring small or thin materials high tensions produce saturated echoes that can affect measurement results particularly when operating in Echo 2 mode Avoid high tensions particularly when using small diameter transducers as this could damage the transducer For 5MHz transducers the tension should not exceed 150V Large diameter transducers of a lower frequency can be set to higher tensions for better performance Chapter 3 51 QS5 User Manual 3 4 15 Return to factory default
30. ieces with DAC turned off the energy level decreases because a greater distance thickness usually results in more attenuated echoes being received by the transducer When a test piece made of steel that will typically return high energy levels is returning low energy this usually means that it was subject to thermal treatment To confirm or discard this possibility measure the velocity of the test piece Steel that has been thermally treated will have a different material velocity In case of low energy levels always make sure you have good coupling and that you used enough coupling gel to avoid erroneous interpretations When measuring in Echo 2 or thru paint the energy level may be low because the unit uses the energy produced by the second echo which is normally smaller and more attenuated when compared to the first echo used in normal Echo 1 measurements Chapter 2 QS5 User Manual 2 10 Measuring thru coating or thru paint QS5 E and QS5 DLE The QS5 E and QS5 DLE gauges can measure thru coatingings such as paint or epoxy so you no longer need to scrape and remove the coating in a test piece The unit now skips the coating and measures only the actual test piece thickness To enable thru coating or thru paint mode Echo 2 touch the Echo key from the measuring screen and the unit will display the mode you are in Echo 1 normal or Echo 2 coating thru paint Switch between Echo modes touching and wait until th
31. igger and gain can be edited while measuring This allows you to see the new thickness value resulting from the changes made earlier to the trigger and gain settings to be displayed immediately 12 Chapter 2 QS5 User Manual A Note The measurement field can only be edited if an actual 4 measurement was taken If the measurement is 0 00 this field cannot be edited Touch the A when editing velocity and a screen will lt appear with the most commonly used materials and their velocities Use the cursor keys to scroll the list and touch to select or touch Fay to exit and return to the edit velocity field When a measurement was taken and the velocity is changed a new measurement is automatically displayed that reflects the change in velocity Short touches allow you to switch between the three measure screen modes Touch for 2 or more seconds to shutdown the unit aes Changes the backlight illumination Adjust display contrast Echo Store LHA Lock and unlock the keypad Chapter 2 13 QS5 User Manual 2 3 BScan graphic measure screen The QS5 allows you to view measured values in real time graphics 14 _ oo N PO oe WN eee oo fs S Figure 2 5 BScan graphic Zoom level Battery level indicator Datalogger mode indicator Page 62 Thickness value in the selected unit Icon indicating that a value was stored Locked keypad icon indicator Page 7 Inactive calibrat
32. in Max numerical measure screen mode 4 6 2 Quick memory menu Mem key Touch on the measuring screen to open the quick memory menu 109 00 29 00 59882 22 6 75 59882 22 6 75 Batch Delete gt J Scan Wf Capt gt Figure 4 15 Quick memory menu options In each quick memory menu screen two options are displayed at the bottom of each screen To access these options use the ESES keys The key maintains its normal functionality and the key is used to switch quick screens as seen on figure 4 15 Options in the first quick memory screen Batch Close the open batch and open a new one Delete Erase the last stored value Options in the second quick memory screen Scan Opens a SCAN block If one is already open no action will be made Capt Changes the capture modes Manual Single Continuous Allows you exit the Scan mode as well Chapter 4 63 QS5 User Manual 4 7 Connect to a PC with DataCenter Connect Touch on Connect to enter the waiting to connect mode Touch to exit and cancel the connection onnect on Connect For ALL a CSSSSSAAAS A Files Waiting USB Conf igure T exit Figure 4 16 Connecting to a PC With the unit in waiting to connect make sure that the USB or the RS232 cable depending on the type of connecting cable that you are using is properly connected to both the unit and the PC and click on lt Connect gt in DataCenter When a successful connection is
33. ined later on in this manual 3 2 1 Change measuring unit Unit Touch on Unit in the main menu to open the list of available units Use the AFV keys to scroll the menu tetric Inch v HicroSec Touch to select the unit and touch Gt to save and exit this menu Figure 3 7 Units menu 3 2 2 Alarms Settings Alarms The QS5 has high and low alarms that alert the operator when the measurement is greater than the value set for the high alarm and or when the measurement falls below the value set for the low alarm Touch on Alarms to open the alarm menu options Chapter 3 31 QS5 User Manual dioh 18 88 Low 1 88 Flaw Beep Screen Light oe Ca pe Can Touch on High or Low to open the numbers editor where you can set alarm values using the cursor keys Touch to save the alarm value that you entered and to return to the previous menu Figure 3 8 Alarms menu options Any of the following alarm types can be selected Flaw The alarm is activated when the material condition analyzer detects the presence of a possible defect such as corrosion or pitting Enabling this option will activate the Analyzer page 49 Beep Audible intermittent alarm type Screen Visible alarm that causes measurements to be displayed in dotted instead of regular numbers Light Visible alarm that activates the display backlight illumination causing it to flash Note automatically disabled
34. ion disk indicator Page 15 Coupling level indicator material condition analyzer Echo energy level indicator Vertical thickness reference axis in the graphic BScan graphic area High alarm setting Page 31 Low alarm setting Page 31 Chapter 2 QS5 User Manual 2 4 Keypad functions in BScan graphic mode Keypad functions in the BScan graphic mode are the same as in the numerical measure screen modes Page71 except for the following keys BScan Go to the numerical measure screen mode Short touches will zoom in out of the graphic Touch for 2 or more seconds to shutdown the unit 2 5 Zero calibration Auto The QS5 uses a zero delay calibration procedure that is activated by simply coupling the transducer over the calibration disk located in front of the unit Numerical mode on 20 00 ox O ddm Calibrating Calibrating Done T gt Graphic mode Calibration Disc Oy 25 80nn Front Panel Loo 6 35 nn z Calibrating Done Calibrating Figure 2 6 Zero calibration procedure When this automatic procedure ends the unit is calibrated to measure steel which is the default material velocity used in this calibration method Chapter 2 15 QS5 User Manual 16 In order to measure the thickness of the calibration disk without activating the automatic calibration procedure simple touch the edge of the disk until an icon appears as shown in Figure 2 1 8 Inactive calib
35. is reduced a lot quicker Measuring at 20Hz over one minute is equal on average to 1200 measurements 3 4 6 Select transducer frequency Freq Touch on Freq to open the transducer frequency rate options menu Use the Alv keys to scroll menu options and touch to select 2 To exit without making changes touch or Figure 3 27 Transducer frequency options Most standard transducers are 5MHz When a different frequency transducer is used you should select the correct frequency in this menu 3 4 7 Select coating type Coot Type Touch on Coat Type to open the menu options for the attenuation level of the coating type when measuring in Echo 2 or thru coatinging 46 Chapter 3 QS5 User Manual Use the AIV keys to choose any of the two available menu options and touch to select To exit without making changes touch CY Figure 3 28 Type of coating options ow Loss ew High Loss amp To measure thru coatingings that are less than 1mm thick select the Low Loss option For high attenuation coatings such as epoxy typically used in shipyards and for coatings greater than 1mm thick select the High Loss option Even though the coating type option is available for all QS5 models this setting only affects the QS5 E and QS5 DLE models that can operate in Echo 2 mode or thru coatinging 3 4 8 Select calibration mode Cal Touch on Cal to open the unit calibration menu options in the measuring
36. keypad can only be locked and unlocked in the measuring screens 8 Chapter 1 QS5 User Manual 2 Measuring with the QS5 The QS5 can display measurements in 3 distinct numerical measuring modes or screens each one showing specific information To switch numerical measure screens touch the key 2 1 Numerical measure screens Normal 2 1 1 Measure screen mode Min and Max values lan aa o _59082 25 6 75 qe JE Figure 2 1 Measure screen mode 1 e 25 00 o 1 Material velocity Datalogger mode indicator Page 62 Measured value signal in differential measuring mode Page 44 Battery level indicator Thickness value in the selected unit Icon indicating that a value was stored So St B Locked keypad icon indicator Page 7 Chapter 2 9 QS5 User Manual 8 Inactive calibration disk indicator Page 16 Coupling level indicator material condition analyzer Page 21 10 Echo energy level indicator Page 22 11 Gain level Page 20 12 Maximum measured value 13 Trigger level Page 20 14 Minimum measured value i Touching the once will reset maximum and minimum values to zero and touching it again will display the measure screen in mode 2 described next 2 1 2 Measure screen mode 2 Percentage value 2 5 0 0 15 Percentage value as compared to An a nn the nominal value aS Tion 16 Nominal value represents 100 of the percentage value Figure 2 2 Measur
37. klight illumination and contrast Backlight illumination and contrast options can be changed from any screen in the unit La ES backlight illumination Touch to change the backlight illumination settings Figure 1 6 Backlight illumination options 6 Chapter 1 QS5 User Manual 15 2 Disolay contrast The display contrast on all dmq units is digital Touch the white dot located in the center of the vertical scrolling bar between the Al keys and a contrast window will open Move your finger towards the top and or bottom of the dotted line to adjust the contrast on your display Figure 1 7 Display contrast adjustment 1 6 Locking and unlocking the keypad To lock the keypad place your finger on the white dot located in the center of the horizontal scrolling bar between the lt A keys Move your finger to the right following the dotted line and a window on the unit display will open with the word Lock Continue moving your finger in the same direction until you enter locked mode The window on the display will close and the locked keypad indicator will show on the top right of the unit screen Locked Indicator o Mi 293 7 6 35 anz fen 293 7 6 35 293 7 6 35 Th a Th Figure 1 8 Locking the keypad Chapter 1 7 QS5 User Manual Sliding the finger to the left will unlock the keypad 293 7 6 35 an Figure 1 9 Unlocking the keypad sie 7 a 35 Important The
38. le this option 48 Chapter 3 QS5 User Manual 3 4 11 Material condition analyzer Analyzer Enable Analyzer so that the unit will alert the operator on the presence of possible defects with icons that appear on the measuring screen page 27 When the analyzer option is disabled the coupling icon only indicates whether the transducer is coupled measuring or not coupled in the air Touch to enable or disable this option Important W Material defects that are represented by the coupling icons serve only as a warning and should not be interpreted as definitive results The specific area where the possibility of a material abnormality is detected should then be further inspected to confirm or discard the warning Note 4 Activating the flaw alarm page 32 will automatically 4 enable the analyzer option Chapter 3 49 QS5 User Manual 3 4 12 Nums Zoom Measuring screen Mode Huns Zoom When Nums Zoom is enabled the numerical measuring screen displays thickness measurements in larger numbers and only the velocity and minimum value are displayed The minimum value is reset by touching the key Touch to enable the Nums Zoom option and touch again to disable 293 7 6 35 59007 6 54 Regular View Nums Zoom View Figure 3 31 Normal and Nums Zoom numerical measure screens 3 4 13 Continuous measuring monitor Autotain When AutoMain is enabled the unit continuously monitors the transducer so that when t
39. mail address is 7 displayed as Name Domain Important The factory default password is 12345 You can change this password after adding your user information a Chapter 3 39 QS5 User Manual 3 3 9 Lock configurations Locks Certain configuration options on your QS5 unit can be locked in order to avoid unwanted changes Use of the locking options allow a supervisor to optimize unit configuration settings required for a specific test and then pass the unit on to an operator for him or her to conduct the actual measurements knowing that the unit has been properly configured and that the settings cannot be changed Touch on Locks enter your password and then touch again to view the configuration options that can be locked Password alibrate D Conf i al ai 12344 Datalooser al 10 25 Figure 3 18 Enter password and options lock menu Each option is followed by a lock indicating whether the feature is locked closed lock or unlocked open lock Touch on each of the following options to lock or unlock Calibrate Lock or unlock unit calibration options Configure Lock or unlock ultrasonic configuration options trigger and gain Datalogger Lock or unlock Datalogger configuration options 40 Chapter 3 QS5 User Manual 3 3 10 Model upgrade licenses Licenses QS5 models can be changed with software licenses that you can purchase from dmq If you want to purchase an upgrade license we will need to k
40. nd consistent manner to minimize variations in couplant layers that may result in testing errors The amount of couplant should be kept to a minimum and consistent pressure should be applied on the transducer when measuring 5 Conditions under which Doubling may occur Doubling refers to a thickness measurement that displays a reading that is twice or even three times the real test piece thickness Doubling often may happen when trying to measure below and above the specified range for the transducer and when using worn transducers When in doubt the test piece thickness must be measured using other methods and or instruments and the unit must then be calibrated using reference test blocks of known thickness values that are made of the same material as the actual test piece This is very important when measuring unknown test pieces for the first time 6 How temperature may affect calibration When possible calibrate your instrument on site using a test block that is at the same temperature as the test piece in order to minimize errors QS5 User Manual Important Safety Information All QS5 series corrosion and thickness gauges are for industrial use only and cannot be used in medical applications The QS5 operates on two AA size batteries We strongly recommend that you use only top brand name alkaline batteries Disposal of your QS5 gauge and its components must be done in compliance with all applicable regulations About the S
41. nd optimized for best performance The following image shows you how to interpret changes done to the trigger level represented in higher and lower trigger values o O 100 Detected Echo 100 Detected gy Echo Trigger Level Trigger Level 0 0 Received Signal Received Signal Figure 2 8 Representation of high and low levels of trigger 20 Chapter 2 QS5 User Manual The image below shows how you to interpret changes done to the gain level represented in higher and lower gain values 100 Detected Echo 100 Detected Echo Trigger Level Trigger Level 0 0 Received Signal Received Signal Figure 2 9 Representation of high and low levels of gain The trigger level determines the echo signals detected by the unit A higher trigger means lower sensitivity where only larger echoes are detected The gain level works like a volume control on an audio device the higher the gain setting the more amplified the echoes will be A low trigger and a high gain are ideal in obtaining good sensitivity but if the trigger is set too low or the gain too high noises are generated in the transducer that can result in erroneous or unstable measurements Transducers that are defective badly worn or of poor quality will also produce noises 2 9 Understanding the coupling icons and the energy level indicator 2 9 1 Coupling Icons By default the unit always indicates whether the transducer is coupl
42. now the following information Unit model e Unit serial number e The type of license that you would like to purchase Ia Touch on Licenses to view all licenses Hulti Echo zf available for your unit checkmarks indicate active licenses Figure 3 19 Licenses screen To enter the new license number that you purchased from dmq touch or to exit and return to the previous menu touch Use the cursor keys to enter the license Password number and touch to save 123453 Figure 3 20 Enter new license number screen After you enter the new license number the unit will respond with one of the following messages Chapter 3 41 QS5 User Manual Licenses Licenses Without Register i License Accepted Wrong register Success register password message password message Figure 3 21 Response messages after a license is entered If the license number that you entered is correct the unit will show an updated license screen where the newly purchased license appears followed by a checkmark 3 3 11 Return to factory default settings Set Default Choose Set Default to return to the original factory default general configuration options Touch and a confirmation screen will appear Touch to confirm and return to the Horning baturna ti previous menu or touch to exit without Dekaul ts making changes Figure 3 22 Set factory default settings confirmation screen 42 Chapter 3 QS5 User Manual
43. oftware Because of its complexity level software is never really completely error free For this reason in software controlled instruments always make sure that the operations required for your application are in correct working order Warranty Demeq S R L provides a limited warranty for a period of 2 two years on electronic units and for 6 six months on transducers from the date of purchase and may be extended for up to 5 years Every instrument undergoes thorough testing during manufacturing as well as before shipping In the event warranty service where to become necessary dmq and or your local distributor or representative will make a reasonable effort to replace your defective unit with another new or used unit while your instrument undergoes warranty repair QS5 User Manual 1 First steps 1 1 Know the QS5 1 1 1 Front panel Figure 1 1 Front of the unit 1 Graphic LCD display with LED backlight illumination 2 Move Left key Switch measuring modes normal measurements or Echo 1 Thru Paint or Echo 2 Echo Move Up key Manually store a value Store 4 Move Right key Switch to graphical measure mode screen BScan 5 Menu key Enter and exit measure screen Exit and return to menus Home Chapter 1 QS5 User Manual 6 Move Down key Quick access to memory menu screen options Mem 7 Change backlight illumination key On Off Auto 8 Enter key Edit values on the measure scre
44. onvinced that our products would not be complete without permanent technical and after sales support So in addition to a great product we offer Quick answers to your inquiries Unlimited access to technical information as well as application notes e Special offers for registered customers e Firmware and software upgrades at no charge e Attention to your inquiries and suggestions We hope that the QS5 will meet and exceed your application needs QS5 User Manual General information Models included in this manual The information included in this manual applies to all QS5 series ultrasonic corrosion and wall thickness gauges including models B DL E and DLE Registered trademarks dmq is a registered trademark of demeq S R L and its affiliate companies Important notice The information contained in this manual is intended to educate users on the operation of the QS5 gauges Failure to read and understand this manual can lead to measurement errors Decisions based on measurements and or results that are erroneous can lead to property damage personal injury or even death Demeq S R L assumes no responsibility as a result of the improper use of our instruments Applicable standards e ASTM E797 User training The user must be trained in ultrasonic testing procedures and on how to properly configure the unit for testing All of the following should be taken into consideration e Understand the theory on
45. option to open the general configuration options menu Use the AFV keys to scroll the menu Clock Format Key Sense 58 Touch to select any of the menu AutoD ff 5 options Contrast 18 F Set Clock pr 2 Beep Intro Set ID Locks Licenses Set Default Touch gaa to exit and to return to the previous menu K Figure 3 11 General configuration options menu 34 Chapter 3 QS5 User Manual 3 3 1 Set time and date Set Clock Choose Set Clock to open the time editor and use the cursor keys to set the time Touch to save and to enter the date editor screen Set the date and touch to save and exit Figure 3 12 Time and date editing screens 3 3 2 Set time and date format Clock Format Choose Clock Format to open the menu that allows you to set the time format 12Hs or 24Hs and the date format D M Y M D Y Touch on the option you wish to select F tis and touch Q to save and exit 12Hs 00 HA YY MA 0D 9Y i i i Figure 3 13 Date and time format menu options Chapter 3 35 QS5 User Manual 3 3 3 Set keypad sensitivity Key Sens This option allows you to set the keypad sensitivity The higher the number is that you set here the more sensitive the keypad will be Touch on Key Sens and use the AIV keys to change the keypad sensitivity Touch to save and the keypad will already be working with the new sensitivity level Key Sense fy Key Sense Conf irn 9 g FORI Fig
46. options and touch to select and exit Touch Eas to exit without making changes h h _ _ _ Figure 4 21 Record date and time in the Datalogger Off The Datalogger does not record date and time Date Each time a new batch is opened the Datalogger records the date Time Each time a new batch is opened the Datalogger records the time Both Each time a new batch is opened the Datalogger records the date and time Chapter 4 69 QS5 User Manual Tips on how to measure correctly Do not measure outside the thickness range specified for the transducer that you are using Use just enough coupling gel to ensure stable measurements Avoid using excessive coupling gel as it may be added to the thickness value of the actual test piece being measured Always do the zero calibration using the calibration disk located in the front of the unit particularly when changing transducers Have a reference test piece of the same material that you will be measuring and know the velocity of the material or its thickness value so that you can precisely determine the velocity of the material based on its thickness Gain and trigger levels are set from factory with the optimal values that correspond to the transducer that was shipped with your unit When a transducer is changed gain and trigger levels should be adjusted to optimize transducer functionality Appendix QS5 User Manual Technical Specifications
47. r QS5 DL DLE Files gt ws Erose ALL Conf igure Free 32474 Memory menu for QS5 B E Figure 4 2 Memory menu options based on unit model 4 3 Create a file Touch on Files and use the cursor keys to navigate the list of files in the unit M gt Tr gt or e Enpty Enpty Enpty 1 Figure 4 3 Creating a file Select a file that appears as Empty available file and touch to name the file with up to 10 alphanumeric characters After you enter a name a checkmark will appear next to it meaning that a new file has been created and is ready to be used 54 Chapter 4 QS5 User Manual Remember that only one file can be open at any given time so whenever a new file is created if a file was already open the file that was open will be closed Once a file has been closed it cannot be reopened and new values can no longer be stored In closed files values can only be viewed Whenever you create a new file and another file is already open a warning screen will ask if you want to close the last file Touch to confirm that you want to close Harning the open file to create open a new one or touch to cancel and return to the menu Figure 4 4 Close file confirmation screen 4 4 Actions over single files Touch on any closed file and a menu will open that displays options for that file E y E E iew data e Send Rename Size 184 Figure 4
48. ration disk indicator Page 9 While still touching the edge of the disk couple the transducer to obtain its thickness measurement When the transducer is coupled you no longer need to touch the edge of the disk Chapter 2 QS5 User Manual 2 6 l point and 2 point calibration In order to obtain precise measurements especially when exchanging transducers the QS5 can be calibrated with your own test piece samples To access the two calibration modes available on the QS5 go to the Ultrasonic menu page 43 and enter the Calibr option Select 2 Points and follow the procedure below for calibration ic 25 003 E 6 352 Calibrating Calibrating Done i disk front of the unit 9 245 Hensure ist Pt Heasure Ist Pt Edit VW Exit l Edit Il Exit lt Adjust value A Exit Partial iji calibration Repeat the procedure 5 00 from point 5 using a Heasure 2nd Pt thicker sample f Edit We Exit J To confirm Exit Partial new value calibration Figure 2 7 One point and two point calibration procedure 1 Measure using the calibration disk located in the unit front panel The unit will proceed with the automatic calibration procedure and Calibrating will be displayed on the unit Chapter 2 17 QS5 4 18 User Manual screen When the calibration is done the unit will display Calibration Done At this point the unit will ask that you measure the first test pi
49. settings Set Defoult Choose Set Default to return to the original factory default ultrasonic configuration settings Touch and a confirmation screen will appear Touch to confirm and return to the Horning Baturan ees previous menu or touch to exit without Rhai ts making changes Figure 3 22 Set factory default settings confirmation screen 52 Chapter 3 QS5 User Manual 4 Using the Datalogger 4 1 Understanding how data is organized In order to optimize the use of the Datalogger in your QS5 DL and QS5 DLE it is important that you understand how data is organized In the QS5 data is stored in 8 individual files with alphanumeric names Each file contains a grid with columns and rows And each grid contains columns identified with consecutive letters A B AA AB that store an N number of values or measurements batch Each value is identified with a column letter and a row number Close file Open file Rows Cells Empty Files 1 999 Figure 4 1 How data is organized in the Datalogger 4 2 Memory menu Henory Select Memory from the main menu to view all menu options for the Datalogger The options in this menu will be different depending on your QS5 model The QS5 B and QS5 E store values that can only be viewed on the unit screen but cannot be sent to a PC or a printer Chapter 4 53 QS5 User Manual onnect For ALL Files gt Configure gt Free 32474 Memory menu fo
50. sound wave propagation e Select the instrument as well as the transducer that is best suited for your application e Know the specific requirements for the test you will be conducting This manual provides all of the information needed to configure and operate the QS5 gauge However there are additional factors that can VI QS5 User Manual affect tests done with this instrument Specific information on those factors is outside the scope of this manual When in doubt you should always seek expert advice or refer to specific textbooks on ultrasonic testing Additional information can also be found on the internet and through local government agencies as well as in technical institutes Measuring Principle The QS5 operates with dual crystal transducers that use the pitch catch principal Dual crystal transducers use two piezoelectric crystals whereby one crystal is excited with short electrical pulses from the unit sending short acoustic waves into the test piece The second crystal then receives the acoustic waves reflected at the end of the test piece The frequency of the acoustic waves changes between 2 and 10 MHz depending on the probe being used All QS5 gauges operate in Echo 1 or normal no coat mode where a measurement is the result of the sum of the time delay from the transducer and the time it takes for the acoustic wave to rebound back to the transducer after it reaches the end of the test piece In Echo 2 or thru
51. ted to the unit 2 Material sound velocity calibration Because the sound velocities in materials will often vary significantly from published values best results are obtained when the instrument is calibrated on a reference test block made from the same material as that of the actual test piece The block should be flat of a smooth finish and be as thick as the maximum thickness of the test piece Careful consideration by the user must be made when evaluating the accuracy of a thickness value because considerable changes in the sound velocity of a material may have occurred as a result of a treatment So for example a test piece made of steel that has been thermally treated will look the same as a regular test piece made of VIII QS5 User Manual untreated steel but the sound velocities vary significantly Instruments should be calibrated before and after testing to minimize errors 3 Transducer selection Transducers must be in good condition and show no visible signs of excessive wear or defects on their surface Badly worn transducers can provide erroneous measurements The thickness of the material being tested must be within the specified thickness range of the transducer and the temperature of the material must also be within the specified temperature range of the transducer 4 Use of couglants Calibration as well as actual testing should be performed under similar coupling conditions Couplant must be applied in an even a
52. touch BScan to switch to normal mode e Touch from any numerical measure screen to enter the Select Edit mode e Touch to edit the velocity field e Use the cursors to set the velocity and touch to confirm or touch Eas to cancel oo Touch the R when editing velocity and a screen will appear with the most commonly used materials and their velocities Use the cursor keys to scroll the list and touch to select or touch Eag to exit and return to the edit velocity field 2 7 2 Change velocity using a known thickness value If you do not know the velocity of the material but you know the material thickness you can set the velocity using the material thickness value by doing the following e Measure the material for which you already know the thickness e Lift the transducer and touch to enter the Select Edit mode Chapter 2 19 QS5 User Manual Touch to select the thickness measurement field Use the cursors to set the thickness value and touch to confirm or touch OY to cancel When editing the thickness value observe that the velocity will change accordingly K Note K When changing the material velocity using a known thickness value the unit must have already been calibrated for the transducer being used Page 15 2 8 Changing trigger and gain The QS5 has two controls Trigger and Gain that have a direct impact on the ultrasonic signal process so that any dual crystal transducer can be used a
53. ure 3 14 Key sensitivity and confirmation screens To confirm the change in sensitivity touch gt If you touch any other key or the counter that appears on your screen reaches 0 0 the sensitivity will return to its previous setting The factory default setting is 50 Under special conditions we suggest that the sensitivity level be changed Tips L If the unit will be operated using security gloves we 4 recommend that the sensitivity level be raised To make the keypad harder simply lower the sensitivity level In applications where the front of the unit may be exposed to water and or vapors the sensitivity should be lowered 36 Chapter 3 QS5 User Manual 3 3 4 Set quto off time Autol ff The unit will shutdown automatically if no key is touched or no measurement is made when you set the auto off time Touch on AutoOff to set the time before the unit automatically shutdown Touch the AIV keys to set the time and touch to save and exit Autolff Touch KaJ to exit without making changes Figure 3 15 Auto off time setting screen 3 3 5 Adjust disolay contrast Contrast Use this setting to adjust the screen contrast making it lighter or darker where 1 is the lightest and 32 is the darkest Touch on Contrast and use the AIV keys to change the contrast on your screen Touch to save or touch KaJ to exit without making changes Contrast Figure 3 16 Screen contrast settings Chapter 3 37
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