sebaKMT Correlux C-3, User Manual

Page 1: ...ssue 3 2 02 2016 EN Article number 84416 Mess und Ortungstechnik Measuring and Locating Technologies Elektrizitätsnetze Power Networks Kommunikationsnetze Communication Networks Rohrleitungsnetze Water Networks Abwassernetze Sewer Systems Leitungsortung Line Locating ...

Page 2: ...Consultation with SebaKMT 2 ...

Page 3: ...service station please contact Seba Dynatronic Mess und Ortungstechnik GmbH Hagenuk KMT Kabelmesstechnik GmbH Dr Herbert Iann Str 6 D 96148 Baunach Phone 49 9544 68 0 Fax 49 9544 22 73 Röderaue 41 D 01471 Radeburg Dresden Phone 49 35208 84 0 Fax 49 35208 84 249 E Mail sales sebakmt com http www sebakmt com SebaKMT All rights reserved No part of this handbook may be copied by photographic or other ...

Page 4: ...all exclusively be carried out by SebaKMT or an authorized service station This warranty does not apply to any fault or damage caused by exposing a product to conditions not in accordance with this specification by storing transporting or using it improperly or having it serviced or installed by a workshop not authorized by SebaKMT All responsibility is disclaimed for damage due to wear will of Go...

Page 5: ... menu when ground microphone is connected 25 3 Technical description 27 3 1 Function 27 3 2 Features of the set 28 3 3 Communication of the components 29 3 4 Power supply 29 3 5 Scope of delivery 30 3 6 Technical data 31 4 The Power transmitters 33 4 1 Function and Design 33 4 2 Identification number ID 35 4 3 Power supply 35 4 4 Commissioning 36 4 5 Installation 36 5 The Multi sensors 37 5 1 Desi...

Page 6: ...ttings 53 6 7 Communication 54 6 7 1 Connection between the Correlator and the sensors 54 6 7 2 Connection between the Correlator and the computer 54 6 8 Hardware reset 54 7 Sensor management 55 7 1 Introduction 55 7 2 Access the sensor pool 55 7 3 Register sensors 57 7 4 Replace Delete sensors 58 7 5 Additional functions 59 8 Online correlation 61 8 1 Measurement with 2 Power transmitters 61 8 2 ...

Page 7: ...irmware update 113 18 1 How to update the Correlator 113 18 2 How to update Power transmitters or Multi sensors 115 18 2 1 Work step 1 Download and store the update file 115 18 2 2 Work step 2 Transfer and run the update file 116 19 CorreluxView Software 121 19 1 User interface 121 19 2 Basic settings 123 19 2 1 Storage location for application database 123 19 2 2 GPS receiver port 123 19 2 3 Syst...

Page 8: ...Terms of Warranty 8 ...

Page 9: ...ue to non observance of the instructions and safety advices provided by this manual Locally applying regulations have to be observed The following signal words and symbols are used in this manual and on the product itself Signal word symbol Description CAUTION Indicates a potential hazard which may result in moderate or minor injury if not avoided NOTICE Indicates a potential hazard which may resu...

Page 10: ...devices which contain such batteries is subject to regulations based on the UN Model Regulations Transport of Dangerous Goods ST SG AC 10 1 Please inform yourself about the transportation requirements and follow them when shipping the device This device is designed for industrial use When used at home it could cause interference to other equipment such as the radio or television The interference l...

Page 11: ...the relevant measuring mode menu or starts the correlation Main menu Starts the Correlation Opens the Pipe data menu Opens the Tools menu Opens the System settings menu Goes Back to the previous menu Info line This line provides information on the display comments and notes on how to proceed On the right the Correlator s battery status and the time are shown this symbol indicates info texts this s...

Page 12: ... Element Description Battery level of the received Power transmitters or Multi sensors Power transmitters A and B Multi sensors No 1 to 3 Fully charged Critical Charging No information available about the status of the device ...

Page 13: ... value can be entered manually when needed as well To do so tap the field A numeric keypad opens Length Input field for the pipe section s length Tap the field A numeric keypad opens Use these buttons to divide the pipe line displayed in up to 12 sections Use these buttons to move from one pipe section to the next The selected pipe section is highlighted with a white bar The pipe parameters in the...

Page 14: ...Frequently used menus 14 ...

Page 15: ...ordings Tap to open the frequency filter settings menu Pipeline between A and B The graphic illustrates the pipeline between the measuring points A and B with all its sections Tap to open the Pipe data menu Distance from the measuring point to the leak Measuring point A B Indicates whether the Power transmitter A or B is installed at this measuring point Tap the button to open the Audio menu which...

Page 16: ...on is green good correlation reliable result yellow correlation is not optimal red bad correlation no leak or unreliable result negat sign The leak is on the left from the center of the line posit sign The leak is on the right from the center of the line Term of the correlation Specifies how long the displayed correlation is already running Any interruption resets the counter to 00 00 00 ...

Page 17: ...measurement mode Element Description Number of correlated audio blocks The displayed curve is the result of an averaging from up to 10 single correlations Number of the sensor at the measuring point Pipeline between the measuring points The graphic illustrates the pipeline between the measuring points Tap to open the Pipe data menu Pipeline sections Installation points of sensors No 3 and 4 ...

Page 18: ...Frequently used menus 18 ...

Page 19: ...he button then move the vertical red line in the diagram Suppress to hide a section of the curve Tap the button then mark the area to be suppressed in the diagram i e tap and draw out the required range Suppress individual audio blocks only Offline correlation Opens a menu showing the 10 single correlations of this pair of sensors Bad single correlations can be deactivated and by this means exclud...

Page 20: ...Frequently used menus 20 ...

Page 21: ...l state Bandstop to suppress a frequency range Tap button Then mark the required range in the frequency diagram The correlation is updated The selected frequency range is suppressed Upper frequency limit Shows the upper limit of the frequency range Tap the button to change the value Frequency spectrum Allows to change between the following frequency diagram options Coherence Coherence of the recor...

Page 22: ...Frequently used menus 22 ...

Page 23: ...s Pitching function ON OFF This function lifts very low frequencies artificially up to a higher frequency range to make them more audible to the user Audio filter Lower limit Shows the lower limit of the frequency range Tap the button to change the value Audio filter Bandpass Specify the frequency range to be reproduced Frequencies outside this range are suppressed Audio filter Reset Tap the butto...

Page 24: ...Frequently used menus 24 ...

Page 25: ...requency of the noise blue yellow 0 Hz 3300 Hz Frequency spectrum Tap to open the menu for adjusting the frequency filter Headphones ON OFF Button to enable disable the connected headphones Pitching function ON OFF This function lifts very low frequencies artificially up to a higher frequency range to make them more audible to the user Microphone gain slide to the left reduces the gain slide to th...

Page 26: ...Frequently used menus 26 ...

Page 27: ...rement In a so called Online measurement the noise recording and the correlation of the data take place at the same time Step Description 1 Installing the Power transmitters A and B at two measuring points 2 Noise recording at the same time data transfer and live data correlation on the Correlator Offline measurement In a so called Offline measurement the correlation of the measured data takes pla...

Page 28: ... the same time followed by an Offline correlation hydrophones for recording the leak noise directly at the water column a ground microphone for pinpointing the leak after correlation The Transport case offers space for the Correlator 2 Power transmitters and 3 Multi sensors The case is not only for storage and transportation purposes but also functions as a charging station for the devices Using t...

Page 29: ...tions As soon as a device is placed in on its station in the case the device is automatically charged provided the case is connected to the mains The case can be connected via the connection socket and the supplied connection cable to either a 12 V connector of a vehicle or to the mains NOTE When connected to the electrical system of a car the transport case is powered by the vehicle s battery eve...

Page 30: ... 3 PC software 1006584 The following devices and accessories are available to extend the basic set Accessory Description Art no COR MS 3 Multi sensor 1004815 CMK 3 8 MS Case for 8 Multi sensors COR MS 3 2005301 LOG TP Trivet adaptor for Sebalog Corr 128309877 LOG MWA Magnetic angled adaptor 118303355 Mounting set for COR MWA Screws for angled adapters 2007393 Set of labels COR C 3 1 8 2007321 The ...

Page 31: ...igital radio External antenna 2 analogue radio Dimensions 250 x 190 x 100 mm Weight 1 9 kg Degree of protection IP 65 Parameter Value Sensor Piezo sensor with active amplifier standard hydrophone optional Indicators I O LED device On Off Radio LED radio module On Off Row of LEDs battery status or measured noise level Operation On Off pushbutton Power supply Internal rechargeable Li Ion battery ind...

Page 32: ...d piezo sensor to be connected to Correlator Dimensions Ø 185 x 165 mm Weight 4 kg Parameter Value Sensor Integrated piezo sensor with active amplifier Adapter Magnetic adaptor Indicators Status LED Operation On Off magnetic switch Power supply Internal rechargeable Li Ion battery inductive charging Operating time min 16 h Dimensions Ø 45 x 115 mm Weight 0 4 kg Degree of protection IP 68 Sensor PA...

Page 33: ...io module and an analogue radio module with antenna inside The sensors have the following external characteristics Element Description Microphone storage place Sensor socket for connecting the microphone hydrophone I O pushbutton short pressing switches the device on long pressing Switches the device off Antenna socket Antenna socket for connecting the analogue radio antenna Ventilation venting me...

Page 34: ...s the noise level I O LED lit green the transmitter is switched on flashing the device is charging not lit the transmitter is switched off Radio LED lit red the transmitter is in Active mode noise measurement in progress measurement data is being sent to the Correlator not lit the transmitter is in Stand by mode no measurement in progress no radio traffic Indicator lights ...

Page 35: ...y one of five LEDs is lit the device should be charged Otherwise it switches itself off automatically Red light represents the recorded noise during the measurement and not the battery status The Power transmitters are charged wirelessly in the transport case The case must be connected to a power supply As soon as the Power transmitters are situated at their storage places in the case they are rec...

Page 36: ...as the microphone is taken from the storage place the Power transmitter switches from Stand by to Active mode The radio module is activated From now on the recorded data are directly sent to the Correlator The row of LEDs switches from green to red and represents the recorded noise level 4 5 Installation The sensors should be installed directly on the pipe but however you can also attach them to v...

Page 37: ...d flashes rapidly Device is charging no light Device is turned off ON OFF contact area I O Magnetic foot detachable Type plate Carrying ring detachable 5 2 Identification number ID Each Multi sensor has its own six digit identification number short ID Using this ID the device in the Correlator and the CorreluxView PC software can be managed and clearly identified The ID is deduced from the last si...

Page 38: ...n the case they are recharged inductively Charging takes approximately 6 hours The units indicator lights are rapidly flashing during the charging process The indicator lights turn to permanent green light as soon as the battery is full CAUTION No objects must be put into empty charging stations Risk of fire The charging stations are for transport and charging of the devices only NOTE Any repairs ...

Page 39: ... the sensor is simply placed on the adapter Then the magnetic adapter can be attached to the pipe or fitting etc NOTE The sensor s type plate and I O area must face away from the angle adapter as can be seen on the picture Otherwise the magnet of the angle adapter would turn off the Multi sensor unintentionally You can screw the angle adapter firmly to the sensor This can be useful as the holding ...

Page 40: ...The Multi sensors 40 ...

Page 41: ...put fields displayed Pressing Executes the selected button or enters the input field ESC pushbutton Exits the current menu and returns to the Start menu I O pushbutton Short pressing Switches the device on or activates the back light for the screen Long pressing Switches the device off Charging indicator light Charging pins To charge the device wirelessly in the transport case Ventilation venting ...

Page 42: ... transfer in Offline measurement mode Antenna 2 analogue radio Measurement data transfer in Online measurement mode Microphone Connection socket for ground microphone 12V DC Connection socket for headphones USB GPS Combined connection socket for USB cable GPS receiver ...

Page 43: ...rging process and can not be deactivated After the end of charging the device remains switched on for the Auto OFF period specified in the system settings before it switches off Charging takes approximately 9 hours Heat is generated while charging The charging station in the case therefore has a temperature switch The charger switches off automatically when it gets too warm inside the case It turn...

Page 44: ... short explanations for the selected element button field box or on how to proceed The battery symbol indicates the charge level of the battery The Correlator s internal time Main menu Info bar Correlation Quick start to begin a correlation Pipe data Menu to enter pipe parameters length material diameter etc Measurement functions Functions to arrange perform and analyze measurements Settings Funct...

Page 45: ...lected button ENTER function You can always switch between operating via touch screen and operating via rotary encoder 6 4 2 Entering identification numbers Various functions require the identification numbers IDs of the Power transmitters or Multi sensors to be specified The ID is deduced from the last six digits of the device s serial number short SN You find the serial number on the nameplate o...

Page 46: ... automatic sensor detection The devices concerned must be close to the Correlator To register a Power transmitter briefly press the I O pushbutton of the device To register a Multi sensor briefly move a magnet past the sensor s I O area so that the LED lights up briefly As a result the device s ID is sent detected by the Correlator and displayed on the screen Using the buttons the detected ID can ...

Page 47: ... ascending descending Just tap the respective header Example In the picture a triangle can be seen in the Number header Tapping this header changes the sort order of the displayed devices from 1 3 to 3 1 Changing the sort order is only possible via touch screen not via the rotary encoder 6 4 5 ESC pushbutton and Back button By pressing the ESC pushbutton of the Correlator you can cancel or end any...

Page 48: ...witched on for the first time two consecutive Welcome menus appear on the screen There some basic system settings have to be made before the Start menu can be entered Select your language in the first of the two menus Use the first pull down list to do so The Correlator s operating language immediately adapts to your selection After that enter the remaining requested details Line Description Dayli...

Page 49: ...ed The Start menu of the Correlator appears You have the option to change these settings again in the Correlator s system settings menu at any time 6 5 3 Change the language The operating language can be changed in the system settings of the device If currently a foreign language is set call the Start menu and follow these symbols Î Î Next to the second flag you find a pull down list with all avai...

Page 50: ...ated using the rotary encoder To enable disable the touch function proceed as follows Step Description 1 In the main menu select the button 2 In the displayed menu select the System settings button Result The system settings menu is opened Use the buttons Next and Previous to browse through the available settlings 3 Look for the Touch option Enable Disable the corresponding checkbox Enable disable...

Page 51: ...Backlight switch off Select a period of time for the backlight until it is switched off automatically Explanation If no entry is made the display light is switched off automatically after a period of time Specify the length of this period here If you select never the backlight will remain on permanently Turn off autom after Select a period of time for the Correlator until it is switched off automa...

Page 52: ...aults Touch Enable Disable the touch function touch sensitivity of the screen If this function is disabled the screen only works as a display The device can only be operated using the rotary encoder Averaging Select the averaging interval Explanation When performing an Online measurement the calculation will automatically be restarted and the displayed correlation curve will be updated at regular ...

Page 53: ...ne which measuring methods will be offered in the Correlator s Start screen Example If you select no checkbox except COR PT 3 the Online measurement method COR PT 3 with microphone will be the only available method on the Start screen 6 6 2 System info The System settings menu has the following information on the device and the firmware currently in use Line Description Free space The Correlator s...

Page 54: ...g engage 4 Tap the Connect button on the Correlator Result The connection is established The Correlator is automatically detected by the computer as a mass storage device As soon as the Connected message on the Correlator s screen appears data can be transferred If no connection is made check the cable connection again If necessary disconnect the Correlator from the computer restart it or perform ...

Page 55: ...cription 1 In the main menu tap the button 2 In the displayed menu tap the Sensor management button Result One additional menu appears if the Correlator currently is in Offline measurement mode There tap the Edit Manage button Result The Correlator s sensor pool appears The sensor pool is divided into two sections Element Description Online pool Under the Power transmitter tab the two Power transm...

Page 56: ...this is the Power transmitter A or B 1 8 shows the number of this Multi sensor which was assigned to the device during the registration Identification number of the device Type designation of the device as it is also found on the nameplate COR PT 3A Power transmitter A COR PT 3B Power transmitter B COR MS 3 Multi sensor Sensors which are marked with an X have been used in the last measurement ...

Page 57: ...iefly contact the I O field of the Multi sensor with a magnet or press the I O button of the Power transmitter On the Correlator screen confirm the ID displayed with Accept Add another sensor or conclude by tapping Finish Result The display returns to the Sensor management menu The relevant device now appears in the list If the device could not be added maybe there already exists a Power transmitt...

Page 58: ...yed in the first column of the table The number will be used in various functions of the Correlator to represent this sensor 7 4 Replace Delete sensors You can remove a single sensor from the pool and replace it by a new sensor Proceed as follows Step Description 1 In the list tap on the applicable sensor 2 Tap the Replace button 3 Answer the question displayed with Yes Result The menu for enterin...

Page 59: ...smitter A appears on the right Transmitter B appears on the left You can change a Multi sensor s number in the sensor pool Proceed as follows Step Description 1 In the list tap on the applicable sensor 2 Tap the Change number button 3 Answer the question displayed with Yes Result A key pad appears on the screen 4 Enter the new number for this sensor A number from 1 to 8 is possible There must not ...

Page 60: ...Sensor management 60 ...

Page 61: ...er off and on again and repeat the test Deploy the Power transmitters at the required measuring points and start the correlation Proceed as follows Step Description 1 Take the Power transmitter A orange and go to the first measuring point Attach the microphone to the pipe or alternatively install the hydrophone Switch the Power transmitter on 2 Take the Power transmitter B yellow and go to the fir...

Page 62: ...n a wall or on a traffic cone or similar If necessary place the transmitter at an other measuring point If possible there should be a direct line of sight connection between Correlator and transmitter If still no connection can be made conduct an Offline measurement instead of the Online measurement Is the correlation result reliable The curve shows one clear peak the lag value is green or yellow ...

Page 63: ...lculate the distance to the leak Proceed as follows Step Description 1 In the Correlation menu tap the button between the two diagrams representing the pipe or use the button in the main menu Result The Pipe data menu opens 2 Reproduce the pipeline Use the Add and Delete buttons to divide the line into sections 3 Enter the pipe data material diameter length for each section 4 Use the Back button t...

Page 64: ...surement and start a detailed analysis If the answer is YES the leak is located precisely half way between the measuring points or a measuring error has occurred so called center point correlation Cancel the measurement Take one of the transmitters and look for a new installation point in order to enlarge the measuring length Then start a new correlation Use the various tools to analyze the displa...

Page 65: ...lug engage On the Correlator it has to be specified which Power transmitter will be replaced at the coming measurement Proceed as follows Step Description 1 In the Start menu use the arrow buttons to choose an Online measuring mode e g COR PT 3 with microphone 2 In the main menu tap the button 3 In the displayed menu tap the Sensor connection button 4 In the menu displayed specify which Power tran...

Page 66: ...relator and go to the second measuring position Attach the sensor which is connected to the Correlator to the pipe The measurement can now be started using the button in the main menu Before the next Online measurement with two Power transmitters can be performed the Sensor connection setting has to be reset For this access the Sensor connection menu and tap the RF button beneath A as well as the ...

Page 67: ...transmitter icons with each other proceed as follows Step Description 1 In the main menu tap the button 2 In the displayed menu tap the Sensor management button Result The Sensor management menu opens There the list of Power transmitters is shown If this is not the case tap the Power Transmitter tab 3 Tap the A B button Result The sort order of the two Power transmitters in the list is reversed Us...

Page 68: ...Online correlation 68 ...

Page 69: ...s needed The batteries of the devices involved must be charged All sensors involved must be registered in the Correlator s Multisensor pool also called Offline pool see page 55 If Power transmitters will be used The microphones must be properly connected All sensors must be received by the Correlator This is the case when each battery icon in the Correlator s Start menu shows the battery level of ...

Page 70: ...deployed Custom measurement Explanation Start and end time of the measurement are set by the user 7 Use the Time offset field to specify the period of time which it will take to deploy the sensors at the individual measuring points The entered time span will later be used as a countdown to measurement Use the Start of measurement field to specify when the measurement shall start Use the End of mea...

Page 71: ... displayed on the Correlator screen showing the time remaining until the programmed end of measurement During this time the sensors simultaneously record 10 audio blocks each of 3 seconds length Once the countdown reached zero the measurement is completed 10 Once the measurement is completed collect the sensors The sensors need to remain turned on Otherwise the measurement data would be lost To re...

Page 72: ...rs tap the Read all button If you want to read just one sensor tap the field of the sensor in question Result The audio files are successively transferred The progress of the operation is shown in the individual fields Use the ESC pushbutton to return to the Start menu Radio packages received Audio files received ...

Page 73: ...s for all sensor pairs are shown in thumbnails Element Description Correlation curve Sensor numbers of the two devices whose data are correlated Time distance from the middle of the pipe line to the leak The color of the numbers shows how reliable the result of this correlation is green good correlation reliable result yellow correlation is not optimal red bad correlation no leak or no clear local...

Page 74: ...hows at least one good correlation with one clear peak the probability of a leak between the respective sensors is high Take a closer look at the good correlations Tap the relevant thumbnail The Correlation menu for this sensor pair appears Rate correlations Bad correlation more than one peak lag value is yellow or red lag value is zero or nearly zero No leak or no clear localization possible Good...

Page 75: ...nsors and the sections of the pipe The Map menu can not only be used to specify the pipe parameters for all pipe sections but also to carry out more correlations To access the Map menu tap the button then tap the Map button in the displayed menu You find detailed information about the Map function in a separate section of this manual see page 93 If there is no complete pipe data available you have...

Page 76: ...Offline correlation Multipoint measurement 76 ...

Page 77: ...hts up The device immediately begins to search for GPS signals 10 2 Determine and save GPS coordinates To determine the GPS position for a sensor you must take the Correlator and proceed as close as possible to the installed device Subsequently proceed as follows Step Description 1 In the main menu tap the button 2 In the displayed menu tap the Store GPS position button Result The following menu o...

Page 78: ... high the accuracy is with which the position can currently be determined 4 Wait until the position has leveled out on a reliable value The bar to the right should show an accuracy of 100 The first time the position is determined after connecting the GPS module may take a some time The Correlator should not be moved during this phase It is best to put it down somewhere 5 Tap the Store button Resul...

Page 79: ...rent position Indicates the current position of the Correlator Once the Correlator is moved the displayed value is adapted Distance Indicates the linear distance between the Correlator and the Target position Target position Indicates the GPS position of the point which was defined as Target position Sensor list List of all sensors i e measuring points whose GPS coordinates have been determined an...

Page 80: ...and proceed to the desired other location Result The distance information is updated and displays the distance from your current to the previous location You can use the directional sign of the GPS menu to guide you to a measuring point Proceed as follows Step Description 1 In the drop down list select the sensor which is installed at the relevant measuring point Result The GPS coordinates of the ...

Page 81: ...range max 5 m If a Power transmitter will be used Antenna and microphone must be properly connected Switch the Power transmitter or Multi sensor on and attach the sensor to the pipe Subsequently proceed as follows Step Description 1 If a Power transmitter is used use the arrow buttons in the Correlator s Start menu to choose an Online measuring mode e g COR PT 3 with microphone If a Multi sensor i...

Page 82: ...evel in dB and frequency in Hz of the current measuring value shown as numeric values and as a bar graph bar height noise level bar color frequency Start and Stop buttons to cancel and continue the measurement Antenna symbol indicates that radio communication is in progress Diagram X axis course of measurement over time Y axis noise level in dB Each bar represents a single noise recording The colo...

Page 83: ...f the Correlator Observe the markings on the plug and socket The sound is reproduced as long as the measurement is in progress To adjust the headphone volume use the slide control top right of the screen If a Multi sensor is used listening to the recorded noise is not possible To save energy no audio files are transferred from the sensor to the Correlator Listening to the noise live ...

Page 84: ...Real time measurement 84 ...

Page 85: ... are recording the noise from one specific source The sound velocity in the pipe is calculated using the sound delay There must be a source of noise on the pipe which is clearly measurable for both sensors If such a noise source does not exist it must be created artificially for example by opening a fire hydrant The following conditions must be met in order to use the function Two Power transmitte...

Page 86: ...he required sound source does exist 3 In the Correlator s Start menu use the two arrow buttons to choose the required Online measuring mode e g COR PT 3 with microphone 4 In the main menu tap the button 5 In the displayed menu tap the Tools button 6 In the displayed menu tap the Velocity measurement button Result The corresponding menu opens 7 Specify whether the source of noise is inside or outsi...

Page 87: ...e the measurement 11 Tap the Accept and edit pipe button Result The Pipe data menu opens There for the Material and Diameter input fields the Manual option is automatically selected The recently calculated sound velocity is accepted and shown in the corresponding field Once the length of the pipe section is changed in this menu the sound velocity measurement must be performed again Use the Back bu...

Page 88: ... leak position is calculated The following conditions must be met in order to determine sound velocity or the leak position A measurement night or instantaneous measurement with at least 3 sensors has been performed The measured data has been read and saved with the Correlator Between the three considered sensors exists a clearly perceptible source of noise The louder the noise the lower are the n...

Page 89: ...lustrates how the sensors must be positioned in relation to the source of noise Take care to follow this scheme when selecting the three sensors for the measurement Otherwise the result of the calculation may be wrong 5 Select the sensor which represents Position 1 sensor in front of the sound source by tapping the required box Result The number of the selected sensor is shown at position 1 The wh...

Page 90: ...ou have the option to replace one of the three sensors and repeat the calculation Tap the sensor to be replaced In the next menu tap the required new sensor then tap OK The sound velocity will be re calculated and displayed The next section offers an example 10 Use the Accept button to accept the velocity value displayed as a pipe parameter for the pipe section in question The correlation results ...

Page 91: ...rs behind the source of noise The sensors numbers and their order on the pipe are of no importance in this process The source of noise is located between the sensors 1 and 2 Entry on the Correlator first sensor 1 in front of the sound source then sensors 2 and 3 behind the sound source The source of noise is located between the sensors 2 and 3 Possible entry first sensor 2 then sensors 3 and 4 Pos...

Page 92: ...Sound velocity measurement 92 ...

Page 93: ...g menu opens The square boxes represent the Multi sensors 1 to 8 or Power transmitters A B used in the measurement The icons can be arranged realistically to each other by hand or if the GPS coordinates of the measuring points have been determined and stored with the Correlator at the touch of a button The sensor icons can be moved and repositioned on the screen Only possible via touch screen not ...

Page 94: ...appears Tap the Add button Result The Pipe data menu opens 5 You can divide the displayed pipeline into individual sections if the line between the sensors is not consistently of the same material or diameter Use the buttons Add and Delete to create or remove pipe sections To select a section tap directly on the relevant section in the graph or use the two arrow keys The currently selected section...

Page 95: ...arked on the map with a drop icon provided the correlation between the two sensors in question found a leak noise Example The correlation of the line from sensor 5 to 2 results in a leak at the marked position The correlation of the line from sensor 5 to 3 results in a leak at the very same position The correlation of the line from sensor 5 to 1 shows the drop icon right at sensor 1 This indicates...

Page 96: ...e Correlation menu opens The correlation is displayed Use the various analysis tools When you tap the displayed correlation curve the Correlation analysis menu with the relevant tools opens When you tap the displayed coherence curve the Frequency analysis menu with the relevant tools opens When you tap the buttons that symbolize the sensors at the measuring points e g and the Audio menu opens whic...

Page 97: ...S coordinates are kept and preserved for the next correlation If an Offline correlation is not saved the corresponding measurement data is lost as soon as a new Offline measurement is performed To store the displayed correlation proceed as follows Step Description 1 In the Correlation menu tap on the correlation curve displayed Result The Correlation Analysis menu opens 2 Tap the Store button 3 In...

Page 98: ... Correlator s memory RAM 5 In the main menu tap the button Result With the loaded measurement data a correlation is performed The Correlation menu opens and the correlation curve is displayed The known analytical tools are available Use the Back button or the ESC pushbutton to return to the Start menu Element Description The floppy disk icon indicates that the History mode is active This means tha...

Page 99: ...previous menu 3 Tap the OK button Result The screen returns to the Correlation management menu The new name for the correlation in question is accepted and displayed To create a comment or to change the comment text proceed as follows Step Description 1 Tap the Edit button Result A keyboard appears on the screen 2 Enter the desired text To confirm tap the OK button Result The screen returns to the...

Page 100: ...Storage Management of correlations History 100 ...

Page 101: ...e deleted The GPS menu will be cleared i e all GPS position data will be deleted The measurement values of the last correlation will be removed from the memory of the Correlator If the correlation has not been saved the measurement data will be lost All analysis tools in the Correlation Analysis menu e g zoom suppression will be reset to their initial state The frequency filters will be reset to t...

Page 102: ...Reset of correlation settings and data 102 ...

Page 103: ...surements are performed in sequence along the pipe at a number of measuring points The measured values are displayed live on the screen of the Correlator You can listen to the recorded sound live via headphones Up to 8 Multi sensors are placed at the desired measurement points on the ground Actually they are used as ground microphones A measurement is performed by the sensors The measured values a...

Page 104: ...he screen is between 1 2 and 2 3 of it s full scale This setting can be changed at any time 6 Adjust the frequency filter for pinpointing For this tap the frequency diagram on the screen A new menu opens Use the buttons displayed to specify the frequency range to be regarded The buttons are known from the Audio menu see page 23 Button on the left to select the lower frequency limit Bandpass button...

Page 105: ...sound is continuously reproduced as long as the measurement is going on To adjust the headphone volume use the slide control at the top of the screen 10 Wait until the Minimum value has come to rest at a stable level 11 Tap the Store button Result The last displayed minimum value is frozen and displayed permanently The headphones are muted The microphone icon on the screen moves to the next measur...

Page 106: ...he screen does only change very little from measurement to measurement you should increase the microphone gain moving slide control in the top left of the screen to the right If the height of the level bars does change much too much you should reduce the microphone gain moving slide control in the top left of the screen to the left Adjust the Frequency filter If the frequency values of the individ...

Page 107: ...e used must be registered in the Correlator s Multi sensor pool also called Offline pool see page 55 This applies to both Multi sensors and Power transmitters All measuring points must be within the Correlator s radio range Attach the supplied Trivet adaptors to the sensors in order to ensure safe standing and best possible contact to the ground Thanks to their magnetic foot the sensors simply hav...

Page 108: ...surement 5 Tap the Start pinpointing button Result A connection is established between the Correlator and the sensors On the screen the pinpointing view appears see below in the text The sensors start measuring The measured values are periodically retrieved from the individual sensors and displayed by the Correlator 6 Wait until the displayed values have come to rest at a stable level The drop sym...

Page 109: ... measured value of each sensor is retrieved by the Correlator and displayed In addition the lowest measured value Minimum value of the current measurement is displayed for each sensor The bar s height represents the noise level The bar s color illustrates the frequency of the noise blue yellow 0 Hz 3300 Hz The drop symbol identifies the sensor which has the highest minimum value This means that th...

Page 110: ...Pinpointing 110 ...

Page 111: ...mode e g COR MS 3 with microphone 2 In the main menu tap the button 3 In the displayed menu tap the Tools button 4 In the displayed menu tap the Read configuration button Result A new menu opens The up to 8 fields displayed represent the Power transmitters and Multi sensors registered in the Correlator s sensor pool 5 Tap on the field of the sensor which you want to read 6 In the displayed menu ta...

Page 112: ...ensor if it is actually programmed for an Offline measurement Measurement start Programmed start time of the Offline measurement Measurement end Programmed end time of the Offline measurement Audio blocks Number of the stored recordings audio blocks Meas interval Time interval between the stored recordings FW version Currently used firmware ...

Page 113: ... case of doubt it should be charged The firmware update has no impact on stored measuring data or personal settings The data will be retained To update the Correlator proceed as follows Step Description 1 Visit the web site www sebakmt com Access the Download area and look for the Correlator update files Download the files to your computer and unzip them 2 Correlator In the main menu tap the butto...

Page 114: ...utton Result The connection to the computer is disconnected The connection cable can be removed 9 Switch the Correlator off 10 Switch the Correlator on Result The firmware update is performed A bar on the screen shows the progress of the process NOTE The Correlator must not be operated while the update process is in progress i e as long as the bar is shown on the screen Doing so may cause irrepara...

Page 115: ... 18 2 1 Work step 1 Download and store the update file Proceed as follows Step Description 1 Visit the web site www sebakmt com Access the Download area and look for the relevant update file Download the file to your computer and unzip it 2 Correlator In the main menu tap the button 3 Connect the Correlator to the computer Use the supplied connection cable Connect the round plug of the cable to th...

Page 116: ...ns In the display area the update file is shown which is temporarily stored in the Correlator root directory If more than one file is listed select the required one If no file is displayed there is no firmware update file in the root directory Perform again Work step 1 see page 115 in order to download the relevant file 4 2 options Updating one individual Power transmitter or one Multi sensor Upda...

Page 117: ...gress of the data transfer Version of the new firmware Number and ID of the selected sensor Sensor type Proceed as follows Step Description 5 Switch on the device which is to be updated 6 Tap the Update button NOTE As long as the update process is in progress no inputs or actions must be made on the devices involved and the devices must not be switched off Doing so may cause irreparable damages co...

Page 118: ...ator screen 9 Tap the OKbutton to conclude the firmware update Use the Back button or the ESC pushbutton to return to the Start menu To check if a device really is operated with the new firmware read the configuration of the device in question using the Correlator see page 111 In the displayed menu check the FW version line If you tapped on Select device proceed as follows Step Description 5 Switc...

Page 119: ... new firmware is installed and initialized Subsequently the device switches itself off and on again A bar on the Correlator screen shows the progress of the process Finally the message Firmware successfully updated appears 8 Tap the OK button to conclude the firmware update Use the Back button or the ESCpushbutton to return to the Start menu To check if a device really is operated with the new fir...

Page 120: ...Firmware update 120 ...

Page 121: ...priately into different segments The CorreluxView symbol at the top left of the menu bar allows you to access system settings for the application The directory structure the so called directory tree of the application s internal database is displayed to the left of the screen Users are free to create edit and delete directories and subdirectories in any way they wish Menu bar Directory tree Exampl...

Page 122: ...sensor Button for deleting this sensor from the list Button for listening to the quietest recording made by this sensor Minimum value of this sensor ESA value level in dB frequency in Hz The color of the field reflects the ESA value blue yellow 0 Hz 3300 Hz Display area Measurement information name of correlation time of measurement measurement comments Map at the very top function keys for map ma...

Page 123: ...he CorreluxView application by the Correlator are saved under this location You can use the Open button to open the directory You can use the Browse button to specify a new storage location The application will display a window allowing you to navigate to the new target directory for the application database When you are finished click OK to confirm your change 19 2 2 GPS receiver port The Correlu...

Page 124: ...enaming and deleting directories To create a new directory in the directory tree proceed as follows Step Description 1 In the directory tree select the directory under which your new directory is to be added as a subdirectory 2 Click on New in the Folder segment Result A new window opens 3 Enter the name of your new directory then click OK to confirm your input Result The new directory has now bee...

Page 125: ...easurement is to be added If necessary first create a new directory 3 Click on Import in the menu bar Result A new window opens 4 Navigate to the Correlator s root directory CORRELUX This directory will list a set of subdirectories that contain all measurement data sets saved 5 Select the measurement data set you want then click on OK Result The data import begins The process may take a few second...

Page 126: ... and click on it Result A line will now connect the two sensor icons on the screen A window opens allowing you to enter parameters for the new pipeline 4 You can use the Add and Delete buttons to divide the displayed pipeline into individual sections if the line between the sensors is not consistently of the same material or does not have a consistent diameter 5 Enter pipe data material diameter l...

Page 127: ...eady be familiar with these correlation diagrams from your work with the Correlator The frequency diagram at the very top of the screen allows you to set a frequency filter and to repeat the correlation First go to the graphic and click on your desired lower frequency limit keeping your mouse key held down Then move your mouse cursor to the right and let the key go when you ve reached your desired...

Page 128: ...sing the 10 checkboxes on the right you have the chance to exclude from the overall correlation those individual audio block correlations which are unusable To do this just deactivate the checkbox next to the audio block in question The thumbnail of the sensor pair s overall correlation highlighted by a red rectangular frame will be updated immediately The disabled audio block will be excluded fro...

Page 129: ...rrelation The buttons for analyzing correlation curve and coherence will probably also be familiar to you from your work with the Correlator Zoom To magnify a section of the correlation curve Click on the button then select the area in the diagram on which you want to zoom Zoom opt Click on the button to toggle between the following two displays Display of the entire correlation range Display of o...

Page 130: ... open the printer dialog window Using the radio buttons in the Show segment bottom right you can select whether the two sensors left and right of the correlation curve are described by their Sensor number Identification number or commentary 19 6 4 Select a correlation method Offline measurements only In the case of Offline measurements one of the following two correlation methods for the multi cor...

Page 131: ...ponthoz Questo simbolo indica che il prodotto non deve essere smaltito come un normale rifiuto domestico In quanto prodotto B2B può anche non essere smaltito in centri di smaltimento cittadino Se si desidera smaltire il prodotto consegnarlo a un organismo specializzato in smaltimento di apparecchiature elettriche vecchie ŠƯ zƯme norƗda ka iztrƗdƗjumu uz kura tƗ atrodas nedrƯkst izmest kopƗ ar para...