Consultation with SebaKMT User Manual Correlator Correlux C-3 Mess- und Ortungstechnik Measuring and Locating Technologies Elektrizitätsnetze Power Networks Kommunikationsnetze Communication Networks Rohrleitungsnetze Water Networks Abwassernetze Sewer Systems Leitungsortung Line Locating Issue: Article number: 1 01 (06/2015) - EN 84416
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Consultation with SebaKMT Consultation with SebaKMT The present system manual has been designed as an operating guide and for reference. It is meant to answer your questions and solve your problems in as fast and easy a way as possible. Please start with referring to this manual should any trouble occur. In doing so, make use of the table of contents and read the relevant paragraph with great attention. Furthermore, check all terminals and connections of the instruments involved.
Terms of Warranty Terms of Warranty SebaKMT accept responsibility for a claim under warranty brought forward by a customer for a product sold by SebaKMT under the terms stated below. SebaKMT warrant that at the time of delivery SebaKMT products are free from manufacturing or material defects which might considerably reduce their value or usability. This warranty does not apply to faults in the software supplied.
Terms of Warranty Contents Consultation with SebaKMT ...........................................................................................3 Terms of Warranty ...........................................................................................................4 1 Safety Instructions ...........................................................................................7 1.1 General Safety Instructions and Warnings.........................................................7 1.
Terms of Warranty 4.6.1 4.6.2 4.6.3 Basic settings ...................................................................................................41 System info.......................................................................................................43 Store the settings .............................................................................................43 4.7 Hardware reset.................................................................................................43 4.
Safety Instructions 1 Safety Instructions 1.1 General Safety Instructions and Warnings x x x x x x 1.2 Do not drop the device / the system’s components or subject it / them to strong impacts or mechanical shocks. The limits described under Technical Data may not be exceeded. The device / system must be in a technically perfect condition for measurement. The indicated degree of protection can only be ensured if plugs or the provided protection caps are put in all sockets of the device.
Safety Instructions Use genuine accessories to ensure system safety and reliable operation. The use of other parts is not permitted and invalidates the warranty. Repair and Repair and maintenance work has to be carried out by SebaKMT or authorised service maintenance partners using original spare parts only. SebaKMT recommends having the system tested and maintained at a SebaKMT service centre once a year. SebaKMT also offers its customers on-site service. Please contact your service centre if needed.
Frequently used menus 2 Frequently used menus 2.1 Start menu The Start menu appears on the screen after the device has been switched on. In addition, the "ESC" pushbutton takes you back directly to the Start menu from every menu level. Element Description Measuring mode selection Arrow buttons … Run forward / backward through the available measuring methods. Big central button … Opens the relevant measuring mode menu or starts the correlation.
Frequently used menus Element Description Battery level of the received Power transmitters or Multi sensors. Multi sensors No.
Frequently used menus 2.2 Pipe data menu In the Pipe data menu the properties of the pipe can be specified. The menu can be opened by x x tapping the button in the main menu tapping the button between the two diagrams in the Correlation menu, representing the pipe (see next section: button ) Sensor ID at 1st measuring point Sensor ID at 2nd measuring point Visualization of the pipe line Drop-Down Lists: Input fields: Total length of the line between the meas.
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Frequently used menus 2.3 Correlation menu After starting a correlation the result is displayed in the following view: Correlation curve Coherence curve Element Description Correlation curve Result from comparing the recordings of the two sensors with regard to the delay time of the signals. Tap the diagram area to open the Correlation analysis menu which provides a number of analysis tools.
Frequently used menus Element Description negat. posit. … the leak is on the left from the center of the line … 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.
Frequently used menus 2.4 Correlation menu (Offline measurement) In Offline measurement mode with Multi sensors, the Correlation menu differs in the following aspects from the menu in Online measurement mode. Element Description Number of correlated audio blocks The displayed curve is the result of an averaging from up to 10 single correlations (due to 10 noise recordings during one measurement period). The index shows how many single correlations are included in the calculation.
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Frequently used menus 2.5 Correlation analysis menu Tapping the Correlation curve always opens the following menu which provides tools for analysing the correlation. Zoom … to magnify a section of the curve Tap the button, then mark the area to be magnified in the diagram, i.e. tap and draw out the required range. Zoom-Reset … to reset the curve to its initial state Magnification and suppression are abolished. The entire correlation curve is displayed. Zoom opt.
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Frequently used menus 2.6 Frequency analysis menu Tapping the Coherence curve always opens the following menu which provides tools for analysing the frequency range. Correlation curve Coherence curve Lower frequency limit Shows the lower limit of the adjusted frequency range. Tap the button to change the value. Bandpass … to isolate a frequency range Tap the button, then mark the required range in the frequency diagram. The correlation is updated.
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Frequently used menus 2.7 Audio menu Tapping the buttons A / B / Sensor number in the Correlation menu opens the Audio menu which allows listening to the leak noise using the delivered headphones. Headphone volume slide control Frequency curve Listen only to the left sensor Only the noise recorded by the sensor on the left is reproduced. Listen to both sensors The combined noise of both sensors is reproduced.
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Frequently used menus 2.8 Audio menu (in Pinpointing mode) In Pinpointing mode, the Audio menu differs in the following aspects from the standard Audio menu: Noise level / frequency report Microphone gain control On the left, the Instantaneous value and the Minimum value of the current measurement are displayed. Narrow bar: Instantaneous value x The bar's height represents the current noise level. x The bar's color illustrates the frequency of the current noise.
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Technical description 3 Technical description 3.1 Function The Correlux C-3 correlator locates leaks in drinking water pipes. Pressurized water at the leak location creates a noise which travels out in all directions of the pipe. This noise is recorded, amplified and sent wirelessly to the correlator by two sensors (piezo microphone, hydrophone) which are attached to the pipe (e.g. valve, hydrants).
Technical description 3.
Technical description 3.4 Power supply The Correlator, the Power transmitters and the Multi sensors come with internal rechargeable Li-Ion batteries. The storage places of the individual devices in the transport case function as charging stations. 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 mains or to a 12 Volt vehicle power supply.
Technical description 3.6 Technical data Correlux C-3 is specified by the following parameters: Correlator Parameter Value COR C-3 Display 5,7'' VGA color display 640 x 480 pixels Operation Touch display, Rotary encoder with ENTER function, On/Off pushbutton Power supply Internal rechargeable Li-Ion battery, 12 V DC charging pins Operating time min.
Technical description Sensor Parameter PAM CORR-2 Type Value Piezo sensor with magnetic adaptor (to be connected to Power transmitter or Correlator) Active amplification yes Dimensions Ø 38 x 78 mm Weight 0.4 kg Multi sensor Parameter COR MS-3 Sensor Value Integrated piezo sensor with active amplifier Adaptor Magnetic adaptor Indicators Status LED Operation On/Off magnetic switch Power supply Internal rechargeable Li-Ion battery, inductive charging Operating time min.
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The Correlator 4 The Correlator 4.
The Correlator The device has the following connection sockets: Element Description Antenna 1 (digital radio) data transfer in Offline measurement mode Antenna 2 (analogue radio) data transfer in Online measurement mode Microphone connection socket for ground microphone 12V DC connection socket for headphones USB / GPS combined connection socket for x USB cable x GPS receiver 32
The Correlator 4.2 Power supply The Correlator is fitted with an internal rechargeable Li-ion battery. This can power the device for approximately 16 hours. The battery’s present charge level is shown continuously by the battery symbol bottom right of the screen. When the battery is low, a warning tone is heard and a warning message appears on the screen. The device must then be recharged, otherwise, it switches itself off automatically.
The Correlator 4.3 Design of the user interface All the menu levels on the Correlator's user interface consist of a large display area, the main menu bar and an info bar. Display area Info bar Main menu helptext ++ helptext ++ helptext Main menu Using the buttons in the main menu bar you can access the individual functions of the device. Correlation Pipe data Measurement Quick start to begin a correlation Menu to specify the pipe parameters (length, material, diameter, etc.
The Correlator 4.4 Basics of operation 4.4.1 Input methods Entries can be made directly on the screen or via the rotary encoder. 2 ways of entering data Touch display Rotary encoder The correlator screen is touch-sensitive. All entries can be made directly on the screen. The correlator has a rotary encoder. All entries can be made using the rotary encoder. The buttons or fields displayed can be called or executed by tapping with your finger.
The Correlator For entering a device ID the following screen view, or a similar one, opens: DEL ENTER Accept Decline Finish … … … … … Deletes the last character Confirms and completes the input Accepts and enters the automatically detected ID Does not accept the automatically detected ID Completes the automatic detection Manual entry For the manual entry of IDs, the number pad displayed is used. Confirm your entry with the ENTER button. When inputting an ID, the preceding zero digits can be omitted.
The Correlator 4.4.4 Sorting devices in lists and tables In various menus, device IDs or other information are listed in a kind of table. For example, the following picture shows a list of all Multi sensors registered to a Correlator (the so called 'sensor pool'). If a black triangle can be seen in the header of a column, you have the chance to change the sort order (ascending / descending) according to the parameter shown in the header. Just tap the respective header.
The Correlator 4.5 Commissioning 4.5.1 Switch the correlator ON/OFF Switching ON The correlator is switched on with the I/O pushbutton . The boot process takes a few seconds, then the Start menu appears on the screen. The device is now ready. Switching OFF To switch the correlator off, press the I/O pushbutton until the screen turns off (approx. 2 seconds). Auto-OFF The Commander automatically switches off if no input is made within a specified time period.
The Correlator Devices of your set Specify in the next menu, which devices are part of your Correlux C-3 set. Activate the relevant checkbox/es. The statements made here determine which measuring methods will be offered in the Correlators 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 in the Start screen. Confirm with OK. The settings are accepted. The menu is closed and the Start menu appears.
The Correlator 4.5.4 Enable/Disable the touch screen (touch sensitivity) The touch function of the screen can be disabled/enabled. As long as the function is switched off the correlator can only be operated using the rotary encoder. Proceed as follows: Step Description 1 2 In the main menu, tap the button . In the displayed menu, tap the System settings button. Result: The system settings menu is opened. Use the buttons Next and Previous to browse through the available settlings. 3 4.5.
The Correlator 4.6 Systeme settings By means of the System settings various device settings can be customized to the needs of the user. Furthermore, the menu provides useful information on the status of the device and the firmware used. To access the System settings menu, proceed as follows: Step Description 1 2 In the main menu, tap the button . In the displayed menu, tap the System settings button. Result: The system settings menu is opened.
The Correlator Key tone Keybeep Language Language Time and date Timezone Activate/deactivate the key tone that sounds when a button is tapped or the rotary encoder is pressed. Select your language. Select the time zone for where you are. Daylight saving Select whether it is currently winter or summer time. time Date format Select the date format to be used by the correlator.
The Correlator Frequency scale Frequency linear / logarithmic scale Select if the X-axis of the coherence diagram in the Correlation menu shall ascend in a linear or logarithmic way. Explanation: The frequency range of the Correlux C-3 system is from 0 to 3.300 Hz. The logarithmic view results in a wider display area for lower frequencies. logarithmic: linear: 4.6.2 System info The System settings menu has the following information on the device and the firmware currently in use: 4.6.
The Correlator 4.8 Communication 4.8.1 Connection between the correlator and the sensors Short range radio is used for communication between the correlator and the sensors (Power transmitters and Multi sensors) Digital radio is used for Online measurements. Analogue radio is used for Offline measurements. Therefore, the correlator is equipped with two radio antennas. Antenna 1 Antenna 2 4.8.
The Power transmitters 5 The Power transmitters 5.1 Design Each Power transmitter has an active amplifier for the microphone signal, a data memory, a rechargeable Li-Ion battery, a digital radio module and an analog radio module with antenna inside.
The Power transmitters Indicator light The Power transmitters have the following lights (LEDs): Element Description Row of LEDs lit green lit red … represents the current battery level … represents the noise level Radio LED lit green flashing not lit … the device is switched on … the device is charging … the device is switched off I/O LED lit red not lit 5.
The Power transmitters 5.3 Power supply The Power transmitters are fitted with internal rechargeable Li-Ion batteries which can power the devices for at least 12 hours. Battery level On the device, the current battery status is indicated by the row of LEDs when it is green. (Red light represents the recorded noise.) If only one of five LEDs is lit, the device should be charged. Otherwise, it switches itself off automatically.
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The Multi sensors 6 The Multi sensors 6.1 Design Each Multi sensor has a highly sensitive piezo microphone with active amplifier, a data memory, a rechargeable Li-Ion battery and a radio module with antenna inside.
The Multi sensors 6.3 Power supply Battery level The Multi sensors are fitted with internal rechargeable Li-Ion batteries which can power the devices for at least 16 hours. In the Start menu of the correlator up to eight battery icons can be seen. They indicate the current battery status of the registered Multi sensors in reach. To know the exact battery state of a Multi sensor, read the unit's configuration and see the Battery level line in the respective menu.
The Multi sensors 6.5 Installation The Multi sensors should be installed directly on the pipe but, however, you can also attach them to valve rods or hydrants, for example, or any other position along the pipeline that is easily accessible. Due to their powerful magnet, the sensors can also be attached horizontally to ferromagnetic surfaces. There must be the best possible contact between the sensor foot or the mounted adapter (see below) and the pipe.
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Online measurement – Realtime correlation with 2 sensors 7 Checklist prior to measurement Online measurement – Realtime correlation with 2 sensors x x x x Are the batteries of the Power transmitters and the Correlator charged? Are the antennas properly connected to the Power transmitters and the Correlator? Are the microphones/hydrophones properly connected to the Power transmitters? Has the radio of each Power transmitter been tested? (For this, take the transmitter’s microphone from the storage place
Online measurement – Realtime correlation with 2 sensors Rate the correlation Use the following questions to assess the quality of the displayed correlation. Question 1: Is the radio signal of both transmitters strong enough? The radio symbol strong signal shows: The radio symbol weak signal How to proceed: Continue the measurement and start a detailed analysis.
Online measurement – Realtime correlation with 2 sensors x Conduct an Offline measurement (at night) instead of the Online measurement. Listen to leak noise You have the chance to listen to the sound in the pipe “live”, in order to judge whether a leak noise or a background noise can be heard. Use the 12 V DC socket to connect the delivered headphones to the Correlator. In the Correlation menu, tap the button Use the Back button or to open the Audio menu. to return to the Correlation menu.
Online measurement – Realtime correlation with 2 sensors Rate the leak position Assess whether the leak position seems plausible or not. Question 1: Is one of the values zero or close to zero? No Yes Meaning: The values seem plausible. How to proceed: Continue the measurement and start a detailed analysis. Question 2: Does each value Meaning: The leak is located precisely at the measuring point or outside the correlated pipe section. How to proceed: Cancel the measurement.
Offline measurement - Multipoint correlation with preprogrammed sensors 8 Offline measurement - Multipoint correlation with preprogrammed sensors A group of 2 to 8 sensors is programmed for measurement and then deployed at the measuring points. Multi sensors and/or Power transmitters can be used. The measurement is carried out by all sensors simultaneously. During the measurement, there is no contact between the sensors or between the sensors and the Correlator.
Offline measurement - Multipoint correlation with preprogrammed sensors Programming and Configure the sensors for the measurement: deploying sensors Step Description 7 All sensors must be turned on. 8 In the Start menu, select the required Offline measuring mode. 9 In the displayed menu, tap the Program button. Result: In the displayed menu, the up to 8 fields represent the sensors of the Correlator's sensor pool. 10 Select the sensors that shall be programmed.
Offline measurement - Multipoint correlation with preprogrammed sensors Step Description 12 In the menu displayed, decide whether the measurement shall be carried out immediately or at a later time.
Offline measurement - Multipoint correlation with preprogrammed sensors Reading out data To read the measuring data from the sensors, proceed as follows: Step Description 1 In the Start menu, select the required Offline measuring mode. 2 In the displayed menu, tap the Read button. Result: The Correlator successively contacts all sensors. Thereby, the devices are synchronized again. Then, the following menu appears: 3 If you want to read the audio files of all sensors, tap the Read all button.
Offline measurement - Multipoint correlation with preprogrammed sensors Correlation Step Description 1 In the Start menu, select the required Offline measuring mode. 2 In the displayed menu, tap the Correlation button. Result: A "Multi correlation" is carried out, which means that the values of all sensors are correlated with each other. The process can take some seconds. Subsequently, the correlation results for all sensor pairs are shown in thumbnails.
Offline measurement - Multipoint correlation with preprogrammed sensors Rate correlations The Multi correlation gives you an overview of the noise situation along the measured pipeline. In the ideal case, the pipe sections where leaks are most likely can be identified at a glance. Rate the displayed correlations.
"Map" function 9 "Map" function The Map function is a very clear and comfortable way to work with Offline Measurement data. In the Map menu, the existing pipe network can be reproduced on the screen. The sensors used are shown as icons. Pipelines can be drawn between these icons and the pipe parameters can be specified. As soon as the network is drawn, the correlation of every possible sensor pair can be started and displayed.
"Map" function Draw pipelines To draw, change or delete pipelines in the map, proceed as follows: Step Desccription 1 Tap the sensor icon which represents the start point of the line. 2 Tap the sensor icon which represents the end point of the line. 3 Tap the Pipe button. Result: If there is no line between the two sensors in question so far, first the following screen appears. There, tap the Add button. Result: The Pipe data menu is opened.
"Map" function Show Leak Once the pipe net in the map is created, the correlation calculations for all sensor pairs are automatically updated in the background. You can display Proceed as follows: the calculated leak between two sensors in the map. Step Description 1 Tap the first sensor. 2 Tap the second sensor. Result: The leak position is marked on the map with a drop icon, provided the correlation between the two sensors in question found a leak noise.
"Map" function The correlation of the line from sensor 3 to 4 shows the drop icon right at sensor 2. This indicates either that the leak is right at sensor 2 or that the leak is near sensor 2 but outside the correlated pipeline section. Start correlation To start the correlation between two sensors, proceed as follows: Step Description 1 Tap the first sensor (start point of the pipeline section to be correlated). 2 Tap the second sensor (end point of the pipeline section to be correlated).
Sound velocity measurement 10 Sound velocity measurement The Correlux C-3 system can be used to perform a sound velocity measurement in order to determine the actual speed of sound in a pipe section. This function is useful when no reliable information on the pipe material is available for a pipe section or the entire measurement area. The calculated sound speed is then accepted by the Correlator and used for the correlation.
Sound velocity measurement x If the source of noise is outside the measuring section, the measuring points and sound source must be arranged as shown on the following picture. distance Measuring point 1 Measuring point 2 Source of noice Procedure Proceed as follows: Step Description 1 Position the Power transmitters at the measuring points, attach the sensors (microphones/hydrophones) and switch the devices on. There must be radio contact between the Power transmitters and the Correlator.
Sound velocity measurement Step Description 10 Tap the OK button. Result: The correlation starts. The sound velocity in the pipe is calculated and displayed below the correlation curve. The result is considered reliable if the following criteria are met: x The radio signal from both transmitters is good or excellent. x The lag value (top left of the diagram) is green and seems plausible.
Sound velocity measurement 10.2 Velocity measurement in Offline measurement mode 10.2.1 Introduction The Velocity measurement function compares the measuring values of three sensors which have recorded a shared noise. As a result, the following applications are possible: Application options Determining the sound velocity in the pipe (for an unknown pipe material) The actual sound velocity in the pipe is calculated. This value can then be adopted for the pipe section being analysed as a pipe parameter.
Sound velocity measurement 10.2.2 Determining the sound speed To calculate the sound velocity in the pipe, proceed as follows: Step Description 1 2 In the Start menu of the Correlator, use the two arrow buttons to go to the required Offline measuring mode (“COR MS-3”). In the main menu, tap the button . 3 In the displayed menu, tap the Tools button. 4 In the displayed menu, tap the Velocity measurement button. Result: The following menu opens.
Sound velocity measurement Example 1: 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). Example 2: The source of noise is located between the sensors 2 and 3. Possible entry on the Correlator: first, sensor 2, then sensors 3 and 4. Possible entry on the Correlator: first, sensor 3, then sensors 2 and 1.
GPS position data 11 GPS position data 11.1 Introduction You can use the Correlator to determine and store the GPS coordinates of the individual measuring points. GPS data facilitate the management and analysis of the measured data in the Offline measurement. For some analysis capabilities GPS data are even a prerequisite. Requirements The GPS receiver LOG GPS-3 has to be connected to the Correlator. The GPS module is connected using the USB/GPS socket . Observe the markings on the plug and socket.
GPS position data Step Description 3 Tap the field of the sensor whose position is to be determined. Result: The GPS menu is opened. The GPS receiver is searching for available satellites. After a while, the current GPS time is displayed. As soon as the position of the Correlator can be calculated, the current latitude and longitude are specified. You can change the format for displaying the GPS position.
GPS position data 11.3 Distance measurement and navigation via GPS You can use the GPS function of the Correlator to determine the distance between two points. You can also use the function as a guide to find a stored measuring point. Access the menu To open the GPS menu, proceed as follows: Step Description 1 In the main menu, tap the button . 2 In the displayed menu, tap the Tools button. 3 In the displayed menu, tap the Distance measurement / Navigation button.
GPS position data Distance You can calculate the distance from your current position to a stored measuring point. from here to a measuring point In the drop-down list , select the sensor which is installed at the relevant measuring point. The GPS coordinates of the measuring point are adopted and displayed as the new Target position. The distance information is updated and displays the distance between the Correlator and the measuring point.
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