Eureka Digital User Manual - ADS Environmental Services
Contents
1. Pipe Section Details Material Ductile Iron Edit Diameter mm 200 Calculate Velocity m s 11220 Lookup v Length m r Transducers y mm LN The top portion of the display shows the sections of pipe Pipe sections can be added deleted and moved up and down using these buttons The sequence of the pipe sections from left to right on the main display reflects the order in which the sections appear on the list Select a pipe section from the list to set the pipe information material and dimensions as required 40 ADS Eureka Digital System User Manual Quick Start Enter the following for pipes made of one material with only one diameter and then click Apply e Material e Diameter e Pipe length Pipe section list IF Pipe a Filters AY Sound Material D mm L m Ductile Ion 200 500 A w PipeLength A Y Add Pipe Delete Pipe Move pipe up Move Pipe Down Add Pipe Note Add pipe sections only when more than one pipe material or diameter exists Click on this button to add a pipe to the list The new pipe corresponds to adding a section of pipe section to the right in the main pipe display The software adds a default pipe type Select the appropriate material from the drop down list and enter the diameter in inches and the length in feet Delete Pipe To delete a section of pipe click on the pipe section in the list and then click on the2. The Eureka Digital splash screen displays for approximately 5 seconds allowing the software to load 22 ADS Eureka Digital System User Manual Main Screen The main window includes 4 areas e Main Menu e Toolbar e Display Area e Control Area Eureka Digital Red Blue Correlation Mode Leak Location Two Transducers Ductile Iron v Le 200 E ee iise Lookup e 450 250 0 250 450 Delay fms 5000 Red Channel Blue Channel Deen Leu ua anna i my mm Apply Cancel Main Screen without loaded data 23 ADS Eureka Digital System User Manual Main Menu The main menu contains the following submenus File Menu File Run View Delayed Recording Correlation Mode Help Menu The File menu contains the following options New New Open kd Save Ctrl 5 Save S Report Exit Selecting this option clears the current data and allows the user to set a new configuration as required Open Selecting this option displays the Open dialog listing the data available for loading into Eureka Digital To open the data select the data and click on the Open button 24 ADS Eureka Digital System User Manual Database 2001 Y 07 05 25 Sx 07 05 27 Y 07 05 28 Y 07 05 29 ZA 07 06 29 AN 07 2 channels 3 5 mins 23 07 07 30 Y 07 07 30 ZA 07 08 10 Y 07 08 13 ZA 07 08 13 Y 07 08 23 Bs 07 09 05 23 07 09 05 Y 07 09 12 Y 07 09 14 Bs 07 09 27 B 3s
3. Slowly open the hydrophone bleed valve slightly to allow air to escape 8 Close the bleed valve once only water is escaping Once installed correctly connect the hydrophone directly to the transmitter Before removing a hydrophone assembly make sure the hydrant valve is closed Then reopen the bleed valve to release the pressure 53 ADS Eureka Digital System User Manual Setting up the Transmitters Set up a transmitter in the following way 1 Attach the antenna 2 Position the transmitter as required 3 Turn on the transmitter by holding down the button for 2 seconds The Hi LED will turn red If Lo power is required press the button just for a moment Use Lo if the transmitter is within 66 feet 20 m of the receiver unit 54 ADS Eureka Digital System User Manual Setting up the Receiver Unit Setup the receiver unit in the following way 1 Connect the base station antenna ADS strongly recommends using the magnetic roof mounted antenna for operations inside a vehicle 2 Connect the receiver to the computer via the USB cable 3 Launch the Eureka Digital software The green LED should illuminate If a problem exists with the USB connection or driver the green LED will flash 55 ADS Eureka Digital System User Manual Radio Range The manufacturer tests every system at a distance of 328 feet 100 m line of sight at low power 25 mWatts with a portable receiver antenna Radio range increases consider
4. 34 Tracker 38 Tracker Colors 38 Transducer Positions 43 Transmitter 12 Transmitter Control and Indications 13 Transmitter Features 12 Transmitter Y Cable 16 Transmitters Setup 54 Transport Case 16 Two Transducers 33 Velocities 42 Velocity 43 45 58 Velocity Calculation 43 45 View Menu 28 Y cable 16 Yellow Transmitter 43 Zoom 36 Zoom Out 28 Zoom Peak Noise Suppression 35 61
5. 35 Correlation Display sssi sancii i ean dt ds 35 Zoom Peak Noise Suppression esee 35 Buttons NE 36 Pipe Displays as Rabia bed Nez 37 SSC MUM DISDIdy 5e ee dee 37 Tracker eek 9 38 Controla ii SEEN 40 TEE eege 40 QUICK atada 41 ege 46 SSO EE 48 Chapter 6 Deployment uu u suusnausununnunnu nun unu n ana uana nn 50 Choosing the Transducer Type a a Has 51 Attaching the Transducers ee dee 32 EE EE 32 Le ee 52 Setting up the Trastero ti 54 Setting up the Receiver D EE 55 Rad o t E 56 Inter Transducer Distance eite ikea skin 57 Velocity dh le ee ao udi cmt de tel rueda UE 58 PIGS CLUES oer diiit dd ess ces 59 Chapter 7 Index 2 ea 60 ADS Eureka Digital System User Manual CHAPTER 1 Introduction The ADS Eureka Digital System is the latest model in the proven Eureka family of high performance leak noise correlators designed for locating leaks in buried water pipes Combining advanced technology operational flexibility and simplicity Eureka Digital offers a comprehensive solution for leak location even under conditions ranging from substantial background noise to minimal leak noise This system is effective on metallic plastic and cement pipes The Eureka Digital provides the following benefits e Optimum performance under difficult leak detection conditions e Operation not limited by radio range e Digitally recorded sound for repetitive analysis e Optional direct transmitter connect
6. antenna e Two accelerometers e Receiver unit includes antenna and receiver belt pouch e Headphones e Magnetic vehicle mount antenna e Car charge cable e Mains charger e Transmitter programming Y cable e Receiver unit USB cable e Carrying Case e Software CD The following options are available e Small tablet computer e Ruggedized tablet computer Carrying Case 11 ADS Eureka Digital System User Manual Descriptions The following sections provide brief descriptions of the Eureka Digital System components Transmitter The transmitters blue and red operate in a similar manner and each includes the following components Radio transmitter Built in accelerometer Pushbutton switch LEDs Handle Charge accelerometer connector Antenna connector Headphone connecter The transmitter transfers the information from the transmitter unit to the receiver unit Features Built in Accelerometer Each transmitter contains a built in accelerometer located in the base of the unit The transmitter is attached to a pipe using the magnetic base When spatial or positional limitations deem it impractical to use the built in accelerometer the external accelerometer may be used 12 ADS Eureka Digital System User Manual Pushbutton switch The pushbutton switch turns on and off the transmitter unit Refer to Transmitter Control and Indicators below for more information LEDs The LEDs display information about th
7. for ADS 33 Toolbar Buttons ADS Eureka Digital System User Manual The toolbar includes the following buttons Button Function Description A Open Opens the Open dialog Refer to Open on page 24 for more information Save Saves the current data Refer to Save on page 26 for more information Start Correlation Initiates correlation on the current data Analyze Correlation Re analyzes a previous correlation result Stop correlation Stops the current correlation Program transmitters Programs the transmitters for a delayed recording Readback transmitters Reads back the data from the transmitters after a delayed recording Find Peak Moves the cursor to the most likely leak peak on the correlation screen Zoom Out Zooms out the correlation to the maximum range Cancel Peak Noise Suppression Cancels suppression when peak noise suppression has been previously selected Sound Opens a small sound control box for changing the playback volume muting or un muting the sound and changing the balance of the speakers 34 ADS Eureka Digital System User Manual Display Area The display area includes the following information e Correlation Display e Pipe Display e Spectrum Display e Tracker Correlation Display Correlation Mode Leak Location Two Transducers WW 313 D 120 230 350 470 Delay ms 470 350 230 120 Correlation
8. hand limit of the required part of the display and then release the button The display will zoom into the selected area and the scale will adjust as required To zoom out click on the Zoom Out button Peak Noise Suppression This mode exists for removing an unwanted peak from the correlation calculation Select an area for suppression in the following way 1 Make sure Peak Suppression Mode is selected 2 Place the cursor to the left of the peak to suppress 3 Left click and hold down the mouse button drag the cursor to the right to highlight the peak and then release the mouse button A confirmation dialog will display and then re correlation will occur To cancel peak noise suppression click on the Cancel Peak Noise Suppression button Buttons The main screen includes two transmitter buttons and a receiver button This button displays information about the red transmitter Curved lines indicate the radio link connection is operating H The number of curved lines represents the strength of the received signal A battery level indicator displays to the right of the transmitter button Hovering the mouse over the button displays the transducer type radio signal radio power output and battery voltage Ip This button displays information about the blue transmitter Curved lines indicate the radio link connection is operating H The number of curved lines represents the strength of the rec
9. material supplied with the computer The computer comes in a ruggedized case with ample space for the computer peripherals Ruggedized Tablet Computer optional A ruggedized computer is available for portable use with the Eureka Digital System This portable battery powered computer is ruggedized for use in harsh environments and connects to the receiver unit which may be carried in a holster It includes a touch screen and comes with the Eureka Digital Software pre installed For more information on the computer please refer to the reference material supplied with the computer This computer also comes in a ruggedized case with ample space for the computer peripherals 17 ADS Eureka Digital System User Manual Typical ruggedized touch screen computer 18 ADS Eureka Digital System User Manual CHAPTER 4 Getting Started Eureka Digital Systems supplied as a complete system including a PC are set up and ready for use For systems that are not ready for use refer to the Hardware and Software Setup on page 20 19 ADS Eureka Digital System User Manual Hardware and Software Setup This section includes the minimum software and hardware requirements software installation instructions and power management recommendations Software and Hardware Requirements To run the PC software the computer must meet the following minimum hardware and software requirements e Microsoft Windows XP Service Pack 2 operating syst
10. that accommodates the 1 inch male BSP threaded connection on the hydrophone and the female threaded port on the selected hydrant cap Note ADS recommends removing the hydrant cap and allowing the hydrant to flow to clear out debris and stagnant water in the pipe prior to attaching the hydrophone hydrant cap assembly and re pressurizing the hydrant for the survey In addition verify that the hydrant exhibits adequate water pressure Mount the hydrophone to the hydrant in the following way 1 Assemble the hydrophone and hydrant cap using the transitional thread adaptor and tighten to ensure a good seal under pressure Consider using sealing washers or thread seal tape also known as PTFE or plumber s tape on the threading to prevent leakage 2 Verify that the hydrant value is closed 3 Install the hydrophone assembly onto the hydrant and then tighten it in place 4 Make sure the bleed valve is closed and the assembly is secure 5 Slowly open the hydrant valve and verify that no leakage occurs from the hydrophone If leakage occurs close the valve remove the assembly and apply measures such as seals or taping to the assembly threading to address the leakage before proceeding 52 ADS Eureka Digital System User Manual 6 If no leakage exists fully open the hydrant valve to completely charge e g fill the hydrant Filling the hydrant applies pressure to the caps including the hydrophone assembly on the hydrant 7
11. the customer at the time of the initial claim However if ADS does not receive the temporary unit from the customer within 15 days of receiving the repaired or replacement unit or testing concludes that the unit experienced excessive wear and tear or abuse for the period of use ADS will bill the customer for the temporary unit Shipping The customer must pay to ship defective equipment to ADS for repair or replacement However ADS will incur the costs for shipping the repaired or replacement equipment back to the customer using the same priority shipment procured by the customer upon returning the defective equipment to ADS Product Returns If the customer is not satisfied with the performance of the Eureka Digital System the customer may return the equipment within 30 days for a full ADS Eureka Digital System User Manual refund provided the condition of the equipment is in the same condition as sold except for expected or normal wear and tear for the period of use ADS Eureka Digital System User Manual CHAPTER 2 Principles of Leak Noise Correlation Leak noise correlation is used to detect leaks in pipes with a positive internal pressure where leaks allow a loss of flow to the outside The movement of fluid through the leak causes rapid pressure changes around the site of the leak establishing a noise source at the leak This noise travels in both directions at the same velocity along the pipe from the leak These princi
12. 6 Deployment This chapter contains general information on system deployment such as selecting the appropriate type of transducer installing the transducers setting up the transmitters and setting up the receiver unit It also includes information regarding radio range transducer distance velocity and filter settings 50 ADS Eureka Digital System User Manual Choosing the Transducer Type Accelerometers built in or plug in are adequate for use under most conditions and offer simplicity and flexibility in deployment Consider using hydrophones under the following conditions e Large diameter pipes over 12 inches e Plastic pipes e Excessive ambient noise 51 ADS Eureka Digital System User Manual Attaching the Transducers The following sections include instructions on installing accelerometers and hydrophones Accelerometers The transmitters have magnets integrated into the base and a built in accelerometer This configuration typically provides good results when the transmitter is located aboveground If the transmitter must be on the ground surface for adequate radio reception use the remote accelerometer 1 Place onto a metal fitting preferably an unpainted rust free clean metal surface 2 Ensure a rigid physical contact 3 Check the connection by listening through the headphones Hydrophones Connecting a hydrophone to a hydrant requires a hydrant cap suitable for the local hydrant and an adaptor
13. ADS Eureka Digital System User Manual October 2009 QR 775020 AO Water Loss Control Products Primayer ADS LLC 4940 Research Drive Huntsville AL 35805 Telephone 256 430 3366 Fax 256 430 6633 www adsenv com ADS Eureka Digital System User Manual Copyright O 2009 ADS LLC All rights reserved ADS isa registered trademark of ADS LLC Microsoft Windows and Internet Explorer are registered trademarks of Microsoft Corporation Intel and Centrino are registered trademarks of Intel Corporation All other brand and product names are trademarks or registered trademarks of their respective holders Notice of Proprietary Information The information contained herein represents the latest information available at the time of publication ADS reserves the right to make any changes or modifications to the content of this document without notice to reflect the latest changes to the equipment No part of this document may be reproduced in any form without the written consent of ADS ADS Eureka Digital System User Manual Table of Contents Chapter 1 Introduction 5 eec canne ini nine cc ic 1 System e iue IS ETE ae Mota UON ETRAS NS 3 Transmitters M len 3 Automatic Velocity Measurement eese nete 3 In Case Battery E 3 Advanced Analysis Software csscccssscscssscecsscceesscceesscceessceeeneceesnes 3 System Components and Options essen 4 Optional Equipmen
14. User Manual ON Na gw Spectrum 1000 1500 2000 Frequency Hz Tracker The data tracker display develops throughout the correlation process Over time the line solidifies and changes color to indicate confidence in the correlation peak Tracker Colors The colors of the dots represent the following e Black No confidence in correlation peak e Red Low confidence in correlation peak e Yellow Medium confidence in correlation peak Green High confidence in correlation peak RR Tracker 470 su saq 470 0 Time s Initial Tracker display 38 ADS Eureka Digital System User Manual Tracker a 470 an zuer D Time s Zoomed in Tracker display Select a specific area of the Tracker display with the mouse to perform a software correlation analysis for only the selected area This can be beneficial in contexts such as high background noise or traffic areas for choosing a time period in which a correlation peak begins to form e g when traffic noise is reduced To return to an analysis of the whole area click on the button above the Tracker graph 39 ADS Eureka Digital System User Manual Control Area The control area includes 3 tabs for managing the following e Pipe e Filters e Sound Pipe This option is designed for setting up the pipe network information LE Poe A nes A Sound Lim Vm WB Ductile Iron 200 500 1280 x Pipe Length Reverse Hox A Y 500 0 m
15. a The following transmitters were detected BENE MN Please continue to read back the data that has been recorded Transmitters Red and Blue have 1 minutes of audio data that may be read back The dialog shows the colored blocks corresponding to the transmitters connected to the y cable The dialog also displays the amount of data that is available To initiate readback click on the Next button Read Back Wizard Recorded Data Read Back Progress BN Progress Bl Progress fea Read Back has started The dialog displays the readback progress The red transmitter is read back first and then the blue transmitter 32 ADS Eureka Digital System User Manual When data readback is complete the main screen displays and data correlation occurs Correlation Mode Menu This menu includes the following options e Two Transducers e Three Transducers Correlation Mode Two Transducers D Three Transducers Two Transducers Select this option for normal leak location and optimal velocity measurement using an artificial noise source Three Transducers Select this option for leak location with automatic velocity measurement ADS recommends this method Three separate tabs are available resulting in up to three correlations The red blue and yellow transducers may be positioned in any order along the pipe Help Menu Selecting this option displays the software version and contact information
16. ably in the high power mode and when using a vehicle mount antenna The radio range from transmitter to receiver is approximately 50 of an equivalent analog radio system Radio range is affected by traffic buildings and multiple transmission paths 56 ADS Eureka Digital System User Manual Inter Transducer Distance An accurate inter sensor distance is essential to locating leak positions accurately The accuracy of a correlation result is a reflection of the accuracy of the distance measurement Note A user can record and save data without entering the inter sensor distance This is useful when making an initial preliminary recording at a site If a correlation peak is obtained a user can take accurate measurements and enter them after recording the data When measuring distance keep in mind that water mains do not always run in a straight line or at a uniform depth Therefore be careful to measure the actual pipe length 57 ADS Eureka Digital System User Manual Velocity An accurate sound velocity is essential for accurately locating leaks from the correlation result Typically the sound velocity obtained automatically based on the pipe diameter and material entered by the user is adequate However ADS recommends always measuring the sound velocity in the pipe to reduce leak positioning errors This can be done with either 2 or 3 transducers 58 ADS Eureka Digital System User Manual Filter Settings The de
17. at a known position typically produced by opening a hydrant Two primary options are available for the leak position Out of Bracket or Between Sensors 43 ADS Eureka Digital System User Manual Sensor Sensor Valve Valve Out of Bracket means the intentional leak exists at one of the sensor positions or beyond the length bracketed by the sensors at either end Between Sensors means the leak is reasonably close to the red or blue sensor but within the bracketed length For accuracy the distance from the sensor should be less than one third of the total pipe length For this technique enter the pipe material and measured length using the standard method and pressing Start Correlation occurs in the typical manner using zoom when necessary to locate the exact peak Please note that an over range area extends beyond the ends of the pipe This allows valid correlations to occur even when inconsistencies exist between the pipe information entered and the actual pipe construction and layout that result in questionable velocity data Click on the Calculate button to start the following wizard Two Channel Velocity Calculation B U m Leak Noise Source 6 Between Sensors Qut of Bracket Distance m From Left 167 0 Transducer to Leak Calculated Velocity m s out of range Use Cancel If Between Sensors is selected enter the distance from the intentional leak to the left sensor Once a velocity value has b
18. at offer saving and printing options Save Selecting this option opens a standard Windows Save dialog box for saving the report to a specific location in the user s directory Print Selecting this selection opens the standard Windows Print dialog for printing the report as required 26 ADS Eureka Digital System User Manual Test Details Folder 17 10 2007 C Primayer Eureka DigitahDatabase 001 Filter High EN Filters 1 Lom Total Pipe Length 500 m Pipe Length m Material Diameter mm Velocity m s Sections 500 Ductile Iron 200 1280 Pipe Red Blue Red Channel Blue Channel 4894 m Total Pipe Length 500 m Correlation Red Blue Typical Eureka Digital Test Report Exit Selecting this menu option closes the Eureka Digital Software Run Menu The Run menu includes the following options Start Stop Analyse Find Peak Zoom Out Adjust Sound Self Test 27 ADS Eureka Digital System User Manual Start Selecting this option initiates the correlation process Stop Selecting this option discontinues the current analysis Analyze Selecting this menu re analyzes a previous correlation result It includes two options X Analyse Rapid Playback Rapid Selecting the rapid option initiates re correlation of the current data This occurs quickly without playing the sounds and is followed by a display of the results Playback Selectin
19. d and used with a laptop computer for greater flexibility When using the unit in a vehicle a magnetically mounted antenna can be used to improve signal reception from the transmitters p Receiver Unit The receiver unit has the following connectors and indicators from left to right Programming connector Used with the optional Y Cable to program the transmitters Transducer connector Allows for connection of an optional transducer for 3 transducer operation LED Illuminates when the unit is connected to the computer If the LED flashes the USB driver has an error or is not loaded USB connector Used with the USB cable to connect to the computer The cable powers the receiver unit and allows for the transfer of data Headphones The headphones can be connected to either transmitter to monitor the sound picked up by the transmitter in real time Magnetic Antenna The magnetic antenna can be used with the receiver to increase the signal reception e g when the receiver is used in a vehicle 15 ADS Eureka Digital System User Manual Car Charge Cable The car charge cable can be used to connect the case to a power supply in a vehicle to recharge the two transmitters in the case The cable connects to a socket on the side of the case The transmitters in the case must be connected to the two charge cables in the case Mains Charger The mains charge cable can be used to connect the case
20. delete pipe button Move Pipe Up To move a pipe section up in the list click on the pipe and then click on the up button as required Moving a pipe up in the list moves it to the left in the main display 41 ADS Eureka Digital System User Manual Move Pipe Down To move a pipe down in the list click on the pipe and then click on the down button as required Moving a pipe down in the list moves it to the right in the main display Reverse The reverse button swaps the red and blue transmitters for ease of viewing Edit Pipe Material and Velocity Selecting a pipe in the pipe selection list and then clicking on the edit button enables the user to edit the default pipe data for that pipe This dialog also allows for the creation of new types of pipe material abbreviations velocities etc Default settings also may be restored from this location when the changes previously made are no longer required Material Asbestos Cement Cast Iron Concrete Copper Ductile Iron sel Name Asbestos Cement Abbreviation AC n X Velocities D rim V m s Range mm 100 1080 8 lt D lt 100 200 1010 100 D lt 200 300 980 200 lt D lt 300 500 300 lt D lt 500 500 lt D lt 800 Material Asbestos Cement Diameter mm 100 ep x Velocity m s 1080 0 Yv Material This section allows the user to edit existing material information as required as well as create and save new
21. display After correlation is complete the cursor displays above the best calculated peak Cursor Movement Moving the cursor moves the corresponding cursor on the pipe display to indicate the relative position e Move the cursor by dragging the cursor pad at the top of the cursor on the correlation display e Make fine adjustments using the left and right cursor keys The user may drag the cursor as required to the correlation peak The cursor on the pipe display will move to show the corresponding position Fine adjustments to the cursor position can be made using the left and right cursor keys Zoom Peak Noise Suppression Select the Zoom and Peak Noise Suppression functions from the two buttons displayed at the top right of the main correlation display The buttons and functions show operate alternately The current button indicates the current mode To change the mode click on the button 35 ADS Eureka Digital System User Manual Zoom Mode This button indicates that Zoom Mode is selected Click on the button to change to Peak Suppression Mode de Peak Suppression Mode This button indicates that Peak Suppression Mode is selected Click on the button to change to Zoom Mode Zoom Zoom into part of the display in the following way 1 Make sure the Zoom Mode is selected 2 Place the cursor at the left end of the required area 3 Left click and hold down the mouse button drag to the right
22. e transmitter Refer to Transmitter Control and Indicators below for more information Handle The handle exists for carrying and positioning the transmitter Charger Accelerometer Connector This connector located on the side of the transmitter is used for charging the transmitter connecting the external accelerometer or connecting the programming cable The connector is angled slightly downward to divert rain away from the connector Antenna Connector The antenna connector is for connecting the standard antenna or an external antenna if required Headphone Connector The headphone connector is for connecting the headphones to monitor signals directly from the transducer Recharging the Transmitters and Battery Life To recharge the transmitters simply place the transmitter in the case connect the charging lead in the case to the transmitter and connect the charge lead from the car or mains to the case A single transmitter also can be charged directly from an appropriate charger The charger automatically uses boost charge and trickle charge rates to obtain optimum use and battery life In temperatures ranging from 32 to 122 Fahrenheit 0 to 50 Celsius the batteries can be fully charged from a totally discharged status in approximately 2 5 hours The transmitter can operate for approximately 6 to 7 hours in high power mode on a full charge In low power mode battery life is much longer Transmitter Cont
23. eak for both pairs of transducers selected The calculated velocity and resulting more accurate leak position display The user can select filtering options from the Filters tab Choose either Manual filters or Auto filtering UA BR Pipe Filters EN Sound Manual Low High Filter 1 68 sl 500 Y Filter 2 100 2500 Fite3 O Auto C Spectral Equaliser C Peak Enhancer plastics only Centre Correlation Suppression Suppression Width ms 4 Apply Restore Defaults 46 ADS Eureka Digital System User Manual Manual Filters Manual filtering allows the user to select up to 3 filters and enter a low and a high frequency for each filter The user also can create filters by selecting clicking and dragging areas on the Spectrum graph Spectrum NN A 0 500 1000 1500 2000 Frequency Hz Manual Low High Fiter 1 68 a po a Filter 2 pe O Auto Filter Auto filtering attempts to select the optimum filter settings The Auto filter mode can often provide very good results However in certain cases manual control of the filtering may be required ADS does not recommend using Auto Filter with Hydrophones After choosing the Auto radio button selecting the Apply button applies auto filtering to the correlation display Please note that auto filtering may take some time When the auto filter process is complete the dialog box shows the filters that have been
24. een calculated clicking on the Use button provides the user with the option to apply this value instead of the default 44 ADS Eureka Digital System User Manual The velocity value is then displayed and shown as calculated The manufactured leak is then turned off allowing for location of the unknown leak with improved accuracy Note Measuring velocity using this method does not account for more than one pipe material because it can only measure the average velocity over the given pipe length Velocity Calculation 3 Transducer Mode This mode involves three transducers and the actual leak 1 e no intentional leak Enter the position of the center transducer as the distance from the left transducer Select the appropriate tabs to display up to three correlation graphs bi Red Blue ii Red Yellow B Yellow Blue Two correlations occur between sensors the third occurs out of bracket Click on the Calculate button The following dialog displays 45 Filters ADS Eureka Digital System User Manual Leak Location Three Transducers nenne Correlations Outer Pipe Length m Time Delay ms a 500 305 4 Use Pipe Length Time Delay ms A oo 137 Calculated Velocity m s 313 4 Calculated Leak Position FromRight mi 202 2 Close The outer pair of transducers displays The user must select a second pair of transducers and ensure that the cursor is positioned correctly at the correlation p
25. eived signal A battery level indicator displays to the right of the transmitter button Hovering the mouse over the button displays the transducer type radio signal radio power output and battery voltage 36 ADS Eureka Digital System User Manual This shows when a connection exists between the PC and aget the receiver Pipe Display The pipe display shows the pipe and the transmitters in a schematic format including the appropriate lengths of pipe and the pipe material Set the pipe data using the pipe data tab t Red Channel Blue Channel E a M il 247 5 m 252 5 m Total Pipe Length 500 m Spectrum Display The spectrum display shows the amplitude and frequency of the data The display will show up to three traces Display individual traces using the colored trace buttons just above the spectrum display The traces can be from the red and blue transmitters or the yellow receiver unit Spectrum N PA leen 500 1000 1500 2000 Frequency Hz The colored buttons at the top of the screen individually show hide the trace of the corresponding color This allows the user to see individual traces or combinations as required Coherence Clicking on the green trace button shows the green coherence trace The coherence shows the similarity between two recordings at each frequency When the coherence is higher select the filters to use these frequencies 37 ADS Eureka Digital System
26. em e 1 1 GHz Intel Centrino processor e 512 MB RAM e GB hard drive e Standard USB port socket type A e 800 x 600 pixel display resolution ADS recommends 1024 x 766 Note The Eureka Digital software should run effectively on most users PCs However ADS cannot guarantee that the software will operate free from errors on any computer that is not supplied by ADS for use with the Eureka Digital System Software Installation Install the software in the following way 1 Insert the CD into the PC s CD ROM drive The autoplay feature should launch the ADS interface If the autoplay feature is not available or functional launch the software interface manually in the following way O Launch Microsoft Internet Explorer U Click on the CD ROM drive U Click on the file named SETUP EXE 2 Follow the simple on screen instructions to install the software Power Management ADS strongly recommends disabling Windows power management and any screen savers These may interrupt communications 20 ADS Eureka Digital System User Manual CHAPTER 5 Eureka Digital Software ADS recommends reading this chapter to become familiar with the Eureka Digital Software Launch the software from the Windows Start menu A shortcut also may be created to launch the software directly from the Windows desktop 21 ADS Eureka Digital System User Manual Splash Screen Copyright 2007 Primayer Ltd ersion 1 5 11 0 Frrunla Mirmo
27. ensorD Open dialog When a data file is opened a correlation is performed on the data The user may drag and drop items to move them on the dialog as required Holding down the Ctrl key while dragging and dropping creates a copy of the file Right Click Options Right clicking on an item in the Open dialog displays an options menu E Cj Database won ZA 07 05 25 A 07 05 27 YA 07 05 28 ZA 07 05 29 ZA 07 06 29 l nanalasa diffarant cut Ctrlex Copy Ctrl C Delete Del Rename ZA 07 09 05 ZA 07 0912 A 07 09 14 ZA 07 09 27 YA 3sensorl 25 ADS Eureka Digital System User Manual The following options are available e Cut Selecting this option cuts and places the selected item on a clipboard to be pasted e Copy Selecting this option copies the selected item e Delete Selecting this option deletes the selected item e Rename Selecting this option places the filename in edit mode to be renamed Save Selecting this menu option saves the current data Save As Selecting this menu option allows the user to save the current data to a different name determined by the user New Folder From the Save As dialog the user can create a new folder directory if required To create a new folder enter the name in the Name field and click on the New Folder button Report Selecting this selection creates and opens a report At the top of the report are disk and printer buttons th
28. erformed Leak Beyond the Sensors If the leak is located beyond the length of pipe between the sensors the correlator will ignore the transit time from the leak to the nearest sensor because the transit time will be the same for both sensors This will give the impression that the leak exists directly at the location of the sensor closest to the leak occasionally referred to as out of bracket This requires that one sensor be moved to locate the leak position accurately bee B Sensor A Sensor B Leak Leak on Connecting Pipe If the leak is occurring on a pipe that connects to the pipe being measured the noise will appear to spread from the connection point and therefore indicate that point as the location of the leak This requires moving one sensor to the connecting pipe ensuring the leak falls between the sensors to accurately locate the leak A thorough knowledge of the entire pipe network layout is essential to ensuring that the correlator is taking measurements on the correct section of pipe and that no possibility exists for leaks on branch pipes causing false readings Leak position indicated with sensors at A and B de D2 SEN E Sensor B True position Sensor A of leak a Sensor C 10 ADS Eureka Digital System User Manual CHAPTER 3 System Components The standard Eureka Digital System consists of the following components e Red transmitter including antenna e Blue transmitter including
29. ers for Delayed Recording The following transmitters were detected EEE MN andrecordfor 2 minutes Transmitter Blue has 1 minutes of data that may be read back Continuing with programming the transmitters will erase it Press Next to program the transmitters or Cancel to keep the previously stored data For the red and blue transmitters a colored block s confirms detection of the corresponding transmitter s The user can designate the number of minutes before recording begins and the number of minutes to record To initiate programming click on the Next button The Programmed Transmitter Status window displays 30 ADS Eureka Digital System User Manual Delayed Recording Wizard Programmed Transmitter Status Recording will begin in 295 seconds The user can unplug the transmitters and put them in the required location for recording However it is important to place the accelerometers correctly on the pipe Note Do not turn on the transmitter The dialog will display the countdown to the start of recording and then the duration during recording After recording is complete the user can collect the transmitters and read back the data Readback For readback to occur the transmitters must be off and connected to the receiver via the y cable Selecting the Readback menu option starts the Read Back Wizard 31 ADS Eureka Digital System User Manual Read Back Wizard Read Back Recorded Dat
30. fault filter settings yield good results the majority of the time However occasionally modifying the filters can obtain a more definitive result Therefore ADS recommends storing all recordings particularly those with puzzling or questionable results to data files for review and re analysis at a later date Examining the data at another time or context provides a greater opportunity for applying the Frequency Analysis option to determine the optimal frequency band Storing the data also allows the user to forward the files to ADS for further analysis when necessary 59 ADS Eureka Digital System User Manual CHAPTER 7 Index Accelerometer 12 Accelerometers 14 Accelerometers 52 Add Pipe 41 Adjust Sound 28 Analyze 28 Antenna Connector 13 Attach Transducers 52 Auto Filter 47 Battery Life 13 Battery Test 14 Built in Accelerometer 12 Buttons 36 Calculate 43 Car Charge Cable 16 Center Correlation Suppression 48 Charge Accelerometer Connector 13 Choosing the Transducer Type 51 Coherence 37 Control Area 40 Correlation Display 35 Correlation Mode Menu 33 Cursor Movement 35 Delayed Recording Menu 30 Delete Pipe 41 Deployment 50 Display Area 35 Editing Pipe Material and Velocity Data 42 Eureka Digital Software 21 Exit 27 File Menu 24 Filter Settings 59 Filters 46 Find Peak 28 General 47 Getting Started 19 Handle 13 Hardware Requirements 20 Head
31. g the playback option re analyzes the data in real time plays the sounds and displays the progress of the correlation as it proceeds Find Peak Selecting this option moves the cursor in the correlation display to the main peak identified by the software Zoom Out Selecting this option zooms out the correlation display to the maximum range Adjust Sound Selecting this opens a small sound control box for changing the playback volume muting or un muting the sound and changing the balance of the speakers View Menu The View menu includes the following options 28 Reverse Toolbar ADS Eureka Digital System User Manual Reverse Toolbar Magnify Correlation Magnify Spectrum Magnify Tracker Selecting this option swaps the red and blue transmitter positions This menu includes two options Show and Hide The option available depends on the current status of the toolbar Selecting the available option either displays or hides the toolbar Magnify Correlation Selecting this option displays the correlation results in detail on the main screen When the details are displayed the menu option changes to Cancel Magnify Correlation Selecting this option returns the screen to the normal view The user also can activate the magnify option by double clicking on the correlation result in the main screen Return to the normal view by double clicking again Magnify Spectrum Magnify Selecting this option shows t
32. he spectrum display in detail on the main screen When the details are displayed the menu option changes to Cancel Magnify Spectrum Selecting this option returns the screen to the normal view The user also can activate the magnify option by double clicking on the spectrum display in the main screen Return to the normal view by double clicking again Tracker Selecting this option shows the tracker display in more detail on the main screen When the details are displayed the menu option changes to Cancel Magnify Tracker Selecting this option returns the screen to the normal view The user also can activate the magnify option by double clicking on the tracker display in the main screen Return to the normal view by double clicking again 29 ADS Eureka Digital System User Manual Delayed Recording Menu This menu includes two options e Program e Readback Program From this menu option the user can set the transmitters to start recording after a designated delay and for a specific time This is useful when it is not possible to maintain reception from the transmitters To start programming the transmitters must be connected to the receiver via the y cable and turned off Note When connecting the transmitters for programming make sure they are both turned off The software turns them on automatically as required Selecting the Program menu starts the Delayed Recording Wizard S Delayed Recording Wizard Program Transmitt
33. ion to pipe street work friendly e Three sensor input for automatic velocity measurement e Flexible operation Eureka Digital uses the same technology as the successful Enigma multi point correlation system a system that has demonstrated outstanding performance in leak location The system offers two methods for determining the leak position 2 transducer and 3 transducer The 2 transducer method involves positioning the red and blue sensors at either side of the suspected leak position The system then measures the amount of time required for the leak sound to reach the respective sensors The Eureka Digital then determines the leak position based on the known velocity of sound and distance between the sensors ADS Eureka Digital System User Manual 2 Transducer Method The 3 transducer method incorporates a third yellow sensor for measuring velocity Employing this option increases the accuracy of locating the leak position 3 Transducer Method ADS Eureka Digital System User Manual System Features The following sections describe some of the components and features included in the ADS Eureka Digital System Transmitters The transmitters offer real time radio operation or delayed recording logging operation which eliminates radio range problems associated with conventional correlators A transmitter also includes an integrated sensor that can connect directly to the pipe This allows the chamber cover t
34. n releasing transmitter to high power illuminating the High power LED The 5 LEDs display the sound strength Pressing and releasing Sets the transmitter to low power illuminating the Lo power LED The 5 LEDs display the sound strength Pressing and releasing Turns off the transmitter and all the LEDs Battery Test When the transmitter is off The Sound Battery LEDs display the relative press and release the button battery charge for approximately 10 seconds to display the battery level When the transmitter is on The Sound Battery LEDs display the relative press and hold the button for battery charge for approximately 10 seconds more than 2 seconds to start the battery test Accelerometers The accelerometers connect to the transmitters and may be used when the location or the transmitter does not allow easy attachment to a pipe or fitting using the internal accelerometer They also may be used when the transmitter must be located aboveground for good signal performance 14 ADS Eureka Digital System User Manual Receiver Unit The receiver unit receives power from the USB port of the computer and therefore must be connected to the computer when in use The unit receives signals from the transmitters An accelerometer also can be connected to the receiver for a 3 sound input into the system designated the yellow channel The receiver unit uses a screw on antenna and can be belt mounte
35. o be closed resulting in much less of a disruption to traffic Automatic Velocity Measurement Every Eureka Digital can operate with three sensors without requiring a third transmitter The third sensor connects directly to the receiver module Three sensors provide the capability for measuring velocity improving leak location accuracy and significantly reducing the opportunity for dry holes In Case Battery Charging The transmitter and receiver module batteries can be charged in the transportation case from either a vehicle 12Vdc or mains supply This offers additional flexibility because battery charging can occur while traveling between sites Advanced Analysis Software Eureka Digital provides software tools for the following e Spectral analysis of leak sound e Advanced correlation coherence and filtering e Optional manual filter control e Audible and visual inspection of leak noise e Pipe material and velocity modification following results computation e Optional user defined pipe materials and velocity tables e Tracker function for selecting the best portion of recorded sound to retrieve the correlation peak ADS Eureka Digital System User Manual System Components and Options Two accelerometers Two digital transmitters Digital receiver module incorporating third signal input Choice of one of the following Q Small handheld computer U Ruggedized handheld computer Q Software for laptop Vehicle antenna Head
36. phone Connector 13 Headphones 15 Help Menu 33 Hydrophones 43 52 Install Transducers 52 Inter Transducer Distance 57 Introduction 1 Leak Beyond Sensors 10 Leak Noise 7 Leak on Connecting Pipe 10 LED Indicators 14 LEDs 13 Locating Leaks 8 Magnetic Antenna 15 Magnify Correlation 29 Magnify Spectrum 29 Magnify Tracker 29 Main Screen 23 Mains Charger 16 Manual Filters 47 Material 42 Menu Bar 24 Methods for Locating Leaks 8 Minimum PC Requirements 20 Move Pipe Down 42 Move Pipe Up 41 New 24 New Folder 26 On Off 14 Open 24 Options 11 Peak Enhancer 48 Peak Noise Suppression 36 Pipe 40 60 Pipe Display 37 Playback 28 Power Management 20 Principles of Leak Noise Correlation 7 Print 26 Program 30 Pushbutton Switch 13 Quick Start 41 Radio Range 56 Rapid 28 Readback 31 Receiver Unit 15 Receiver Unit Setup 55 Receiver USB Cable 16 Recharging the Transmitters 13 Report 26 Restore Defaults 43 Reverse 29 42 Right Click Options on Open Dialog 25 Ruggedized Tablet Computer 17 Run Menu 27 Save 26 Save As 26 Sensor Position 10 Small Tablet Computer 17 Software CD 16 Software Installation 20 ADS Eureka Digital System User Manual Software Requirements 20 Sound 48 Spectral Equalizer 48 Spectrum Display 37 Splash Screen 22 Start 28 Stop 28 System Components 11 Three Transducers 33 Toolbar 29
37. phones Rugged carrying case with integrated battery charging capability Optional Equipment and Software Hydrophones Correlator reference unit Accelerometer grip attachment Measuring wheel ADS Eureka Digital System User Manual ADS No Hassle Warranty and Return Policy The following sections detail the hassle free warranty and return policy for the ADS Eureka Digital System New Product Warranty ADS will repair or replace any Eureka Digital System equipment supplied by ADS that is defective in materials and or workmanship for up to two 2 years following the date of shipment from ADS To make a warranty claim the customer should simply call ADS at 256 430 3366 or contact the ADS Support Center toll free at 877 237 9585 The ADS Client Services Agent will assign a Return Materials Authorization RMA to the customer s claim immediately The customer shall return a defective unit or part to ADS for troubleshooting and repair or replacement within 10 days with the RMA Replacement or Loaner Equipment For a defective part ADS will ship a replacement part immediately once the customer makes an initial claim However if ADS does not receive the defective part within 30 days or testing concludes that the part experienced excessive wear and tear or abuse for the period of use ADS will bill the customer for the replacement part For a defective unit at the customer s request ADS will ship a temporary loaner unit to
38. pipe materials concurrently with measured velocities Velocities The section enables the user to select or edit velocity information as well as restore defaults when necessary 42 ADS Eureka Digital System User Manual Restore Defaults Selecting this button restores the program defaults where changes have been made Transducer Positions This section of the Pipe tab is for setting the transmitter information Transducer Positions EB sg D BE Middle Transducer Dan Distance From Left mm 240 Use each drop down menu to select the appropriate transmitter color from left to right in the pipe network A grey selection indicates no transmitter Consider using the yellow option when using the Receiver Unit as an input with a plug in transducer Once selections are completed click on the Apply button to set the changes Yellow Transducer When using three transducers enter the distance from the middle transducer to the left transducer Adding a 3 transducer changes the correlation display so that tabs at the top allow selections between the different combinations of transducers Hydrophones Select this checkbox when using hydrophones Calculate Use Calculate to determine the velocity of sound in the pipe in either 2 Transducer mode or 3 Transducer mode Velocity Calculation 2 Transducer Mode This allows measurement of the actual velocity of sounds in the pipe s However a leak in the pipe must exist
39. ples are used to determine the leak location Note Noise is not a constant frequency like a musical note but a random and constantly changing blend of different frequencies The correlator operates on this principle ADS Eureka Digital System User Manual Methods for Locating Leaks Previous methods of leak location relied on an initial detection of a noise which was then traced along ground level to identify the location of the maximum noise This location was assumed to be directly above the location of the leak The equipment used for this method included listening sticks and stethoscopes but these were difficult to use if the noise proved too faint or loud for accurate location Background noise was another problem electronically filtered amplifiers were introduced in an attempt to overcome such problems A correlator operates by comparing the noise detected at two different points in the pipeline Noise travels from the leak in both directions along the pipeline at a constant velocity depending on several factors Therefore if the leak occurs at an equidistant location between the two sensors these sensors will detect the noise at the same time Conversely if the leak does not occur at an equidistant location then the sensors will detect the same noise at different times The correlator measures this difference delay in time The following diagram provides an illustration of this principle x Leak Assume the senso
40. rol and Indicators The top of each transmitter has a pushbutton switch and 7 LEDs e One High power radio LED e One Low power radio LED This is the proper setting when the transmitter is within 66 feet 20 m of the Receiver Unit e Five sound battery LED indicators 13 ADS Eureka Digital System User Manual LED Response While Charging Under normal circumstances when the charger is plugged in the LED bar graph will ramp up repetitively This indicates that the battery is undergoing a fast or top off charge When the fast charge is complete and the battery is just receiving a trickle charge the bar graph will stop ramping up and all LEDs in the bar graph will be off except the top red LED This LED will flash quickly once every 2 seconds If the battery is in a very deep discharge state when the charger is plugged in it cannot accept a fast charge If this occurs only the bottom LED will flash on for 2 seconds off for 2 seconds This indicates that the charger is pre charging the battery at a low current to prepare the battery to receive the fast charge Once the pre charge is complete the charger will begin the fast charge and the bar graph will begin ramping up repetitively as under normal conditions On Off The push button switch has various functions that are initiated by pressing the button for a short or long time 2 seconds Pressing and holding for 2 Turns on the transmitter and sets the seconds and the
41. rs are located on the valves A and B convenient access points for underground pipes However the leak occurs closer to valve A By the time a particular noise from the leak has reached A the same noise heading towards B has travelled only as far as X The distance from X to B causes a delay t before the noise arrives at B Therefore the correlator detects the delay t between the arrival of the noise at A and B Assume the velocity of sound is V and the distance between the sensors is D As the distance from X to B V t velocity x time then D 2 L V t This equation may be rearranged to provide L the distance from the sensor closer to the leak site _D V t TV u L The sound velocity can be calculated based on the pipe diameter and material and the distance between the sensors can be determined by careful measurement Therefore the correlator can calculate and display the location of the leak as a direct distance from the closer sensor The correlator also may be used to measure the actual velocity of sound in the ADS Eureka Digital System User Manual pipe under investigation ensuring the greatest accuracy in locating the leak ADS Eureka Digital System User Manual Sensor Position Correlator operation relies on the location of the leak existing between the two sensors However two contexts can prevent this from occurring The solution requires moving one sensor before a successful correlation can be p
42. selected automatically by the software If necessary the user can cancel the auto filters and change the filter values manually General This section allows the user to select various filter options 7 Spectral Equaliser I Peak Enhancer plastics only VW Centre Correlation Suppression Suppression Width ms 2 2 Apply Reset 47 ADS Eureka Digital System User Manual To apply filtering click on the Apply button To cancel the filter changes click on the Reset button Spectral Equalizer Selecting this option evenly distributes the power across the frequency spectrum to provide more equal weighting at every frequency This often 1s a very effective tool for improving correlations Peak Enhancer Selecting this option can enhance the peak values on the graph Use this feature only for plastic pipes Center Correlation Suppression Selecting this option removes the center of the correlation from the calculations to minimize errors caused by common noise signals providing an artificial correlation at zero time delay Set the width of the suppression in milliseconds ms as required Sound This tab displays the detected noise signals for the red blue or yellow transducers as waveforms Throughout a correlation the waveforms represent the sound as it is undergoing analysis 48 ADS Eureka Digital System User Manual E Pipe amp Fites AY Sound 49 ADS Eureka Digital System User Manual CHAPTER
43. t and Software 4 ADS No Hassle Warranty and Return Bolten 5 New Product Warranty ii Bad AA Dul ais 5 Replacement or Loaner Equipment eee 5 e UE 5 Product Reta 5 Chapter 2 Principles of Leak Noise Correlation 7 Methods Tor Locating Leaks Yen ea 8 Sensor POST a 10 Leak Beyond the Sensors io iris 10 Leak on Connecting Pipe a2 A es 10 Chapter 3 System Components See 11 Re E 12 Transmitter ME 12 Accelerometers 5 den n dete i duri a dede edet ebrius 14 Receiver Linie re ee er 15 Headphones EE 15 Magnete isn ea aaa 15 Gar Charge Cable init cia odres 16 Mains EE 16 Transmitter Cale ies 16 Receiver USB able na 16 Transport Case a aan 16 Software 1D 16 Small Tablet Computer optional 17 Ruggedized Tablet Computer optional 17 Chapter A Getting Started eese 19 Hardware and Software EE 20 Software and Hardware Requirements esee 20 Soltware lnstallation a it di 20 Power Management sil iia 20 111 ADS Eureka Digital System User Manual Chapter 5 Eureka Digital Software 21 TO 22 Main Serec eA hee DR e o 23 M i Menu san 24 File MH seen ee meer 24 Run MEDU ea ans Beisein 27 bo Au EE 28 Delayed Recording Menu 2 OS 30 Correlation Mode Men Stes dart titania e DOS 33 Help Mem ina hau 33 Toolbar Buttons nanne a a ga a ces dn ctm OS 34 Display OS
44. to an AC power supply to recharge the two transmitters in the case The cable connects to a socket on the side of the case The transmitters in the case must be connected to the two charge cables in the case Transmitter Y Cable This cable is used to connect the receiver to the two transmitters when programming the transmitters from a PC to record sound instead of transmitting sound This can be used for recording sound after a certain delay Receiver USB Cable This cable powers the receiver and allows for the transfer of data to and from the PC The receiver must receive power from a USB connection to function Transport Case The transport case stores the standard equipment and provides protection from the environment This case can be connected to a car or mains power source via an adaptor to charge the transmitters when they are stored in the case This option can be particularly useful when transporting the system to a remote location Software CD This CD contains the Eureka Digital software for loading onto a suitable PC Refer to Hardware and Software Setup on page 20 in Chapter 4 Getting Started for more information 16 ADS Eureka Digital System User Manual Small Tablet Computer optional A small battery powered tablet computer with a touch screen is available to facilitate portable use of the Eureka Digital System Typical small tablet computer For more information on the computer refer to the reference
Download Pdf Manuals
Related Search