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sewerin SeCorr 08 Operating Instructions Manual

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  • Page 1 Operating Instructions...
  • Page 2 Measurable success by Sewerin equipment Congratulations. You have chosen a quality instrument manufactured by Hermann Sewerin GmbH. Our equipment will provide you with the highest standards of perfor- mance, safety and efficiency. They correspond with the national and international guide-lines.
  • Page 3 Illustration SeCorr 08 Rotary regulator Central screen Menu key Arrow keys ON/OFF key Enter key Light key...
  • Page 4 Illustration RT 06 Filter key (4) LED (6), metal, LED (5), plastic, Wideband low pass Power supply (3) Microphone connection (2) RT 06 Status-LED (1)
  • Page 5 Operating Instructions SeCorr® 08 26.04.2010 – V 4.X – 103923 – en...
  • Page 6 Hermann Sewerin GmbH accepts no liability for any damages resulting from failure to observe these instructions. The warranty and liability provi- sions of the terms of sale and delivery of Hermann Sewerin GmbH are not affected by the information given below.

  • Page 7: Table Of Contents

    Contents Page Function description ...............1 Usage ..................1 Use ....................2 First use ..................2 Switching ON/OFF ..............2 Channel assignment ..............3 Radio transmitter RT 06 ............5 Operating elements ..............6 ON/OFF key ................6 Rotary regulator ................6 Enter key ...................7 Menu key ...................7 Left/right arrow keys ..............7 Up/down arrow keys ..............7 Light key ..................8 Adjusting the contrast ..............8...
  • Page 8 Contents Page Menu ..................20 Menu structure ................20 Listen ..................21 7.2.1 AQUAPHON .................21 7.2.1.1 Display ................22 7.2.1.2 Assignment of keys ............23 7.2.1.3 Sensitivity ................23 File ..................23 7.3.1 Store ..................23 7.3.2 Open ..................24 7.3.3 Delete ...................25 Filtering ...................25 7.4.1 Automatic filtering ..............25 7.4.2 Manual filtering ..............25 7.4.3...
  • Page 9 Contents Page Automatic filtering ..............37 Checking the microphone connections ........37 Using accessories ..............37 Changing the location .............37 Saving time ................37 Communication with PC ............38 Requirements ................38 Software installation ..............38 Technical data................40 Accessories ................41 Error messages ..............42 Annexe ...................44 13.1 EC Declarations of Conformity ..........44 13.2 Advice on disposal ..............44 13.3...

  • Page 10: Function Description

    1 Function description Function description Usage The correlator SeCorr 08 permits to detect leakage points an directly buried pressure line systems according to the correla- tion principle. Sensitive microphones are used to record leakage noise on accessible installations and fittings. These recordings are wireless transmitted to the correlator.

  • Page 11: Use

    2 Use First use CAUTION! Before placing SeCorr 08 and RT 06 for the first time into service, make sure that all used batteries are completely charged. If the batteries are only partially charged, the capacity of the batteries may be reduced thus leading to shorter operation.

  • Page 12: Channel Assignment

    Indication Left Right Type with one signal Director connection Radio transmitter 2 channel of microphone to (orange) SeCorr 08 Type with two sig- Radio transmitter Radio transmitter nal channels 1 (blue) 2 (orange) Only one radio transmitter is used (e. g. in case of a...
  • Page 13 Note: The SeCorr 08 version with two transmitters permits to connect a microphone directly two the SeCorr 08, e.g., if a radio transmitter is defective (see also sec- tion 7.8.3).

  • Page 14: Radio Transmitter Rt 06

    ZF01, if interfering noise is to filtered out or if only a specific acoustic frequency range is to be transmitted to the correlator SeCorr 08. CAUTION! Connect always first the sensor to the measurement location (by coupling the microphone to the slide valve, hydrant, etc.).

  • Page 15: Operating Elements

    ON/OFF key Press this key to switch the de- vice on or off. Hold it pressed un- til the SeCorr 08 is activated. If the key is pressed only shortly, the currently running function is stopped (e.g., a correlation in progress).

  • Page 16: Enter Key

    3 Operating elements Enter key Press this key to enable the cur- rently selected function.If you select „Cancel“ in the menu, the display returns to the central screen. Menu key Press this key to open the menu (see section 7). Left/right arrow keys Press these keys to move to the left or right within the selected...

  • Page 17: Light Key

    3 Operating elements Light key Use this key to switch the il- lumination on or off. The illu- mination automatically switch- es off after a pre-set period (see section 7.8.4). Adjusting the contrast The contrast of the display is au- tomatically controlled in relation to the temperature.

  • Page 18: Performing A Correlation Measurement

    4 Performing a correlation measurement Performing a correlation measurement Entering pipe data Before starting a measurement, it is required to enter the pipe data. Select option pipe data using the Arrow keys and confirm your selection with the Enter key.Then, enter the number of pipe sections.

  • Page 19: Starting A Measurement

    Note: Apart from the default application, „Cross cor- relation“, SeCorr 08 can also be used to perform automatic correlations („Auto correlation“); refer to chapter 7.6.5! Starting a measurement Select this function, if a measurement section is measured for...

  • Page 20: Evaluating The Result

    4 Performing a correlation measurement Press Cancel to return to the main menu. Depending on the selected settings (see section 7.6.2) either 16, 32, 64 or 128 aver- aging processes (i.e., meas- urements) are performed. The display shows the current- ly performed measurement.

  • Page 21: Filtering

    If a peak is displayed right in the centre of the screen, this may indicate that the RT 06 radio transmitter is placed too close to the SeCorr 08 (receiver). In this case, increase the distance (5 – 10 m).

  • Page 22: Zoom

    4 Performing a correlation measurement 4.3.3 Zoom Use the Zoom function to zoom in any area of the correlation function. Select zoom with the Arrow keys. cursor Zoom in the display by press- zoom zoom ing the right Arrow key. The menue position bar 1 below the corre- lation function indicates which...

  • Page 23: Continuing A Measurement

    4 Performing a correlation measurement Continuing a measurement This function starts the correlation measurement using the availa- ble pipe data. The results obtained remain stored (e.g., from a previously performed correlation). Pipe data changed after the last correlation is not used. It is recommended to continue the measurement, if the result of the first measurement (e.g., number of averaging processes: 32) is not completely reliable.

  • Page 24: Measuring The Sound Velocity

    5 Measuring the sound velocity Measuring the sound velocity General information It is required to measure the sound velocity since only correctly entered sound velocity values ensure precise measurements. The sound velocity values are taken from an internal table, see section 7.6.7.
  • Page 25 5 Measuring the sound velocity Create an artificial leak to generate a noise source (e.g., opened hydrant) or take a hammer and beat rapidly on the fitting. Select Start with the Arrow keys. The measurement procedure begins. After the measurement the correlation function is displayed on screen.

  • Page 26: Charging Equipment

    Built-in NiMH cells are used for supplying the SeCorr 08 and RT 06. The operation time of the SeCorr 08 is approx. 8 hours. If the display illumination is used or if the outside temperature is low (so that the display heater is switched on), the operation time can be significantly shorter.

  • Page 27: Battery State

    3 to the docking station HS 1,2 A. Battery state The battery state is indicated on the SeCorr 08 display by a bat- tery icon together with the following messages: RT 06-1 or RT 06-2 or SeCorr 08 Battery icon and message appear when the operation time of the corresponding component is less than 15 minutes.

  • Page 28: Charging Process/Battery Maintenance

    6 Charging equipment Charging process/battery maintenance During charging, the SeCorr 08 displays a number indicating the remaining charging time in hours. In this mode, you can select the function Battery maintenance using the menu key. With this function, the battery is first discharged and then recharged. This ensures that chemical deposits inside the battery are removed and that the memory capacity of the battery is improved.

  • Page 29: Menu

    7 Menu Menu Menu structure (*) Settings which remain stored Listen Channel 1 after switching off the device. Channel 2 Channel 1 and 2 All other settings are reset to AQUAPHON the respective standard val- File Open ues (see section 7.6.8). Low resolution High resolution (**) This menu and the corre-...

  • Page 30: Listen

    Use the “Aquaphon” function to enable the integrated feature for searching leaks. This feature can be compared to that of the Sewerin AQUAPHON A 100 / AF 100 device. These devices, how- ever, are provided with a considerably wider range of functions.

  • Page 31: 7.2.1.1 Display

    7 Menu Note: You can access the Aquaphon mode directly by connecting a suitable microphone to the disabled device (power OFF). CAUTION! Do not use the headphones with high volume. Au- diologists warn that the exposure to persistent or sustained noise may result in hearing defects. Set the volume to an appropriate level.

  • Page 32: 7.2.1.2 Assignment Of Keys

    In this menu, you can open, save and delete individual measure- ments. The professional version also permits to open, save and delete sound samples. The data is filed in the internal storage of the SeCorr 08 and can be called up even after switching off the device. 7.3.1...

  • Page 33: Open

    Use the arrow keys to select the item which you want to open: Low resolution, High resolution or Noise. Please note that it takes approx. 25 seconds to load a sound. Confirm your selection with the Enter key. A list is displayed including all files of the SeCorr 08 memory.

  • Page 34: Delete

    You can select between manual or automatic filtering. 7.4.1 Automatic filtering After a measurement, SeCorr 08 performs an automatic filter run (post-processing). During this procedure the filters are automati- cally optimised. 7.4.2 Manual filtering An image is generated in which you can see a frequency trend (filter base at the bottom of the image, see chapter 7.4.3.3), as...
  • Page 35 7 Menu Press the Enter key to change to the editing mode. Use the Arrow keys to select the filtering limit which you want to change: - Filter left - Filter right - Cut off left - Cut off right Use the arrow keys to shift the corresponding limit.
  • Page 36 7 Menu zoom filter left filter right cut off left left right filtering limit filtering limit left right cut off limit cut off limit Select “OK” with the Arrow keys. The set filters are applied and the indicated frequency trend is updated together with the result.

  • Page 37: Setup

    7 Menu 7.4.3 Setup Customized settings are saved in the setup, sparing users the task of calling up the desired functions every time they are required. Place the cursor on the desired item and press the Enter key. 7.4.3.1 Filter limits Use this setting to define the filter settings to be used for manual filtering (see chapter 7.4.3.1).

  • Page 38: 7.4.3.3 Filtering Method

    7 Menu 7.4.3.3 Filtering method If rectangle is selected, signal filtering is performed precisely at the marked point. With Hanning, the range of the marked point is faded in with soft transitions. Measurement method You can use the measurement method function to change be- tween standard measurement (= correlation measurement) and sound velocity measurement (see section 5).
  • Page 39 7 Menu a) Automatic mode (Default setting) This setting is recommended for standard situations and ensures reliable results. After a defined interval, the level range is automatically and slowly increased, if the current level values lie permanently above the level range. In the same way the level range is reduced, if the current level values lie permanently below the level range.

  • Page 40: Measuring Time

    7 Menu 7.6.2 Measuring time You can use the Measuring time function to define how many indi- vidual measurements are to be performed until the measurement sequence is stopped. 7.6.3 Summation/average With the „Summation“ function all individual results are used for representing the CCF.

  • Page 41: Sampling Frequency

    Sound velocity 3: This function is not available 7.6.8 Standard values All parameters in the Parameter menu of the SeCorr 08 are re- set to the respective standard values. This also includes those parameters which remain stored after switching off the device.

  • Page 42: Components

    7 Menu Components The screen shows an overview of the most important information on the max. 3 main components of the system (2 RT 06 devices, 1 SeCorr 08 correlator). Symbol explanation Battery fully Battery empty charged Low volume High volume...

  • Page 43: Setup

    Use the Arrow keys to select the channel which you want to change. Confirm your selection with the Enter key. Use the Arrow keys to toggle between RT 06-X and SeCorr 08, with RT 06 standing for radio transmission and SeCorr 08 for cable operation.

  • Page 44: Name

    7 Menu 7.8.5 Name This option is used for entering name, company and address. 7.8.6 Service This menu option is reserved for the Sewerin service.

  • Page 45: Methods Of Optimising Measuring Results

    8 Methods of optimising measuring results Methods of optimising measuring results The location is based on the correct determination of the time- delay difference. If the leakage noise is sufficiently loud and if there are no background noise sources, the time-delay differ- ence is adequately well-displayed after only a few averaging processes (4 to 16).

  • Page 46: Automatic Filtering

    8 Methods of optimising measuring results 8.3 Automatic filtering The SeCorr 08 can perform an automatic filter run (post-process- ing) after a measurement (see chapter 7.4.1). This procedure is used to optimise the filters of the coherence function with the help of statistical methods. This permits to obtain optimum cor- relation results.

  • Page 47: Communication With Pc

    COM 4. SeCorr 08 into the HSM docking station which is sup- – Put the plied with 12 V=. It plays no role whether the SeCorr 08 is switched on or off. SeCorr 08: –...
  • Page 48 9 Communication with PC The file names are automatically generated using the measuring date and the measurement time in SeCorr 08 (which is precise to the minute). They have the following format: HA_DD-MM-YYYY_HH-MM.COR with: DD-MM-YYYY = Date (day, month, year)

  • Page 49: Technical Data

    10 Technical data Technical data Correlator SeCorr 08 Operation time: approx. 8 hours Operating temperature: -10 °C – +40 °C Storage temperature: -20 °C – +60 °C Charging time: 4 hours Weight: 1.3 kg Protection class: IP65 Dimensions 125 × 180 × 65 mm (W ×...

  • Page 50: Accessories

    11 Accessories Accessories Communication cable between PC (COM interface) and SeCorr 08 correlator. Carrying case with foam inset for the correct arrangement of correlator, radio transmitter, microphones and head phones. Hydrophone type HA e.g., for connection to inhouse PE pipes after dismounting the water meter.

  • Page 51: Error Messages

    However, the quality of the radio transmis- sion may be worse. This error message appears when: radio transmitter is not operated, the transmission is impaired by buildings, etc. between SeCorr 08 and RT 06, the distance between SeCorr 08 and RT 06 is too large. Remedy: Check the corresponding radio transmit- ters.
  • Page 52 Cause F200 Communication error Error F200 can be ignored if they appear only occasionally. If they appear frequently, contact the SEWERIN service.. F201 Communication error Error F201 can be ignored if they appear only occasionally. If they appear frequently, contact the SEWERIN service..

  • Page 53: Annexe

    13 Annexe Annexe 13.1 EC Declarations of Conformity Hermann Sewerin GmbH hereby declares that the SeCorr 08 fulfils the requirements of the following guidelines: 2004/108/EC The transmitter RT 06 fulfils the requirements of the following guidelines: 1999/5/EC The complete declarations of conformity can be found online (www.sewerin.com >...

  • Page 54: History Of Changes

    13 Annexe 13.3 History of changes Version Description Date Additional function available in central March screen: filtering. It performs a faster and 2006 simplified access to manual filtering Extended functionality of RT 06 (ad- December ditional filters). Improvement of radio 2004 transmission characteristics.

  • Page 55: Index

    14 Index Index Accessories 37, 38, 41 Individual results 31 Active filter 37, 41 Interfering noise 5, 22, 30 AQUAPHON 21 Aquaphon mode 22, 23, 45 Arrow key 7, 8, 13 Language 32, 34 Auto correlation 10, 31 Leakage point 13 Average 11, 31, 32 Light key 8 Listen 21, 45...
  • Page 56 14 Index Reflection 31 Reflection point 31 Result 11, 14, 25, 30, 36, 37 Rotary regulator 6, 12, 16, 21, 23 RT 06 1, 2, 5, 12, 17, 18, 34, 42, 45 Sampling frequency 32 Sampling theorem 32 Sensor 5 Service 35, 43 Setup 11, 28 Signal reception 33...
  • Page 57 Hermann Sewerin GmbH Robert-Bosch-Straße 3 · 33334 Gütersloh · Germany Telefon +49 5241 934-0 · Telefax +49 5241 934-444 www.sewerin.com · info@sewerin.com...

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