sewerin SeCorrPhon AC 06 Operating Instructions Manual
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sewerin SeCorrPhon AC 06 Operating Instructions Manual

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Summary of Contents for sewerin SeCorrPhon AC 06

  • 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 SeCorrPhon AC 06 Rotary regulator Central screen pipe data start continue Mikrophone key/ Menu key Arrow keys Magnifying- glass key/ Enter key ON/OFF key Light key...
  • Page 4 Illustration RT 06...
  • Page 5 Operating Instructions SeCorrPhon AC 06 01.06.2007 – V 1.X – 105723 – en-us...
  • Page 6 To ensure reliable operation and safety, it is required to pay attention to the following notes. Hermann Sewerin GmbH is not liable for damage caused by failure to comply with these notes. The guarantee and liability conditions of the sales and delivery conditions of Hermann Sewerin GmbH are not extended by the following notes.

  • Page 7: Table Of Contents

    Contents Page Functional description ............1 Use ....................1 How electroacoustic water leak detection works .......1 How acoustic pipeline detection works ........1 How correlation works ...............2 Starting up ................3 Starting up for the first time ............3 Switching on and off for electroacoustic water leak detection ..4 Switching on for correlation ............5 2.3.1 Channel allocation ..............6...
  • Page 8 Contents Page 4.3.3 Carrying rod H-4 ..............16 4.3.4 Test rod T-4 ................17 4.3.5 Piezo microphone EM 30 .............17 Preliminary detection ...............18 Locating leaks .................21 Performing a correlation measurement ......23 Entering pipe data ..............23 Starting a measurement ............24 Analyzing results ..............25 5.3.1 Filtering ................26 5.3.2...
  • Page 9 Contents Page Measuring method ..............41 Measuring parameters ............41 8.6.1 Noise suppression ..............41 8.6.2 Measuring time ..............43 8.6.3 Summation / Averaging ............43 8.6.4 Mode of curve ..............43 8.6.5 Type of correlation ..............44 8.6.6 Sampling frequency .............44 8.6.7 Table ..................45 8.6.8 Default values ..............46 Components ................46 Setup ..................47 8.8.1...
  • Page 10 Contents Page Hints on Disposal ..............58 Appendix ....................59 EC Declaration of Conformity ..............59 Index ......................60...

  • Page 11: Functional Description

    1 ����������� ����������� ����������� ����������� ����������� ����������� U�� The S�C���Ph�� AC 06 is used for electroacoustic water leak detection and acoustic pipeline location. It can also detect leaks in underground pressure line systems by correlation. CAUTION! To comply with FCC RF exposure compliance re- quirements, a separation distance of at least 20 cm must be maintained between the antenna of the transmitter RT 06 and all persons.

  • Page 12: How Correlation Works

    1 ����������� ����������� ����������� ����������� H�w �������� ��������� ��������� w��k� Plastic pipes cannot be located by conventional electromagnetic means because they are not electroconductive. The acoustic method of locating pipes applies a different principle: Pipes transmit mechanical vibrations better than the surrounding ground.

  • Page 13: Starting Up

    2 Starting up Starting up Starting up Starting up for the first time CAUTION! The batteries of the AC 06 and RT 06 must be fully charged once before starting up for the first time. If the batteries are only partially charged, their ca- pacity and consequently their operating time may be reduced.

  • Page 14: Switching On And Off For Electroacoustic Water Leak Detection

    2 Starting up Starting up Switching on and off for electroacoustic water leak detection Switching on and off for electroacoustic water leak detection If you switch the device on as follows, you will be in what is known as AQUAPHON mode. Certain functions are only possible in this mode.

  • Page 15: Switching On For Correlation

    2 Starting up Starting up Switching on for correlation If you switch the device on as follows, you will be in what is known as correlator mode. Certain functions are only possible in this mode, others are not available. Attach the two piezo micro- ...

  • Page 16: Channel Allocation

    2 Starting up Starting up 2.3.1 Channel allocation Channel 1 Channel 2 Denotes „Battery RT 06-1 RT 06-2 empty“ message Display Left Right Model with one Direct microphone Orange radio radio channel connection to the transmitter 2 2 AC 06 Model with two ra- Blue radio Orange radio...

  • Page 17: Radio Transmitter Rt 06

    2 Starting up Starting up 2.3.2 Radio transmitter RT 06 Radio transmitter RT 06 can be operated with various sen- sors, EM30 microphones and the HA hydrophone. It is rec- ommended to use active filter ZF01 if you want to filter out interference noise or if you only want to transmit a certain acoustic frequency range to...

  • Page 18: Controls

    3 Controls Controls ON / OFF key / Magnifying-glass key In correlator mode this key is the ON/OFF key. To switch on and off, hold  the key down until the AC 06 responds. Pressing the key briefly stops  the current function (e.g.

  • Page 19: Rotary Regulator

    3 Controls The scale for the analog display is also set. Change the basic amplification when the analog display is constantly in the bot- tom/top range. If the basic amplification is too high, the analog display scale will flash. Rotary regulator The rotary regulator serves the following functions in correlator mode:...

  • Page 20: Enter Key

    3 Controls Enter key Pressing the Enter key per-  forms the function that is cur- rently selected. Selecting the “cancel” function in the menu takes you back to the main screen. Microphone key / Menu key In correlator mode this key is the menu key.

  • Page 21: Up/Down Arrow Keys

    3 Controls Up / down arrow keys Pressing the arrow keys  takes you up and down within the menus. You can also make a selection in some menus. Light key Pressing the light key illumi-  nates the display. The light remains on for a short time before going off automatically.

  • Page 22: Electroacoustic Water Leak Detection

    4 Electroacoustic water leak detection Electroacoustic water leak detection Electroacoustic water leak detection Display The display contains the following display elements: 4.1.1 Analog display The analog display shows the current measurement value. (See also section 3.1). 4.1.2 Digital display The digital display (new) - depending on the firmware language - displays the smallest measured value during a single measure- ment.

  • Page 23: Menu

    4 Electroacoustic water leak detection Electroacoustic water leak detection Menu 4.2.1 Filter The frequency filter setting can be changed in the filter menu. The band pass of the filter can be adjusted from 1 Hz to 9950 Hz; it is at least 300 Hz wide. Leak noises have different ranges in which they can be heard particularly well.

  • Page 24: Hearing Protection

    Insensitive The hearing protection function activates at a high (loud) thresh- old. CAUTION! Only use SEWERIN headphones, as these are specially designed for the AC 06. Note: The hearing protection function should only be set to “sensitive” for quiet ambient sounds so that it activates with moderate noise.

  • Page 25: Max" Mode

    4 Electroacoustic water leak detection Electroacoustic water leak detection 4.2.3 “MAX” mode This mode helps detect pipelines by acoustic means. Instead of showing the minimum values, this mode always shows the maximum values. “MAX” appears in the display when this mode is activated. The mode is not saved.

  • Page 26: Probe Overview

    4 Electroacoustic water leak detection Electroacoustic water leak detection Probe overview 4.3.1 Ground microphone BO-4 Ground microphone BO-4 is used to locate leaks under fixed surfaces. 4.3.2 Ground microphone 3P-4 Ground microphone 3P-4 is used to locate leaks under non-fixed earth surfaces.

  • Page 27: Test Rod T-4

    4 Electroacoustic water leak detection Electroacoustic water leak detection 4.3.4 Test rod T-4 The test rod is used in the pre- liminary detection of leaks. The test rod is attached to fittings on the pipe that is under examina- tion. 4.3.5 Piezo microphone EM 30 The piezo microphone is used...

  • Page 28: Preliminary Detection

    4 Electroacoustic water leak detection Electroacoustic water leak detection Preliminary detection Metal pipe materials transmit structure-borne sound over a particularly wide area. The test rod can therefore be used very effectively for pre-detection. Connect the headphones to  the AC 06. Connect the test rod to the ...
  • Page 29 4 Electroacoustic water leak detection Electroacoustic water leak detection To deactivate the AC 06 re-  lease the rotary regulator or press the microphone key again. If the AC 06 does not go off when you release the rotary regulator, the function of the rotary regulator has been changed.
  • Page 30 4 Electroacoustic water leak detection Electroacoustic water leak detection The illustration above is an example of what might be displayed in the course of detecting a water leak. The sound is loudest close to the leak, the further away you get, the quieter it is.

  • Page 31: Locating Leaks

    4 Electroacoustic water leak detection Electroacoustic water leak detection Locating leaks Non-metallic pipe materials transmit the structure-borne sound less effectively. It is therefore not enough to examine the fittings. A ground microphone is used to perform an additional check on the length of piping between the fittings.
  • Page 32 4 Electroacoustic water leak detection Electroacoustic water leak detection The current noise can be heard on the headphones. The digital display shows the smallest value measured. The small digital display shows the value measured previous- ly. This value is 0 for the first measurement.

  • Page 33: Performing A Correlation Measurement

    5 Performing a correlation measurement Performing a correlation measurement Performing a correlation measurement Entering pipe data The pipe data must be entered in preparation for each measure- ment. Using the arrow keys select  “Pipe data” from the menu and confirm by pressing the Enter key.

  • Page 34: Starting A Measurement

    5 Performing a correlation measurement Performing a correlation measurement Note: As well as the standard “cross correlation”, the AC 06 can also perform “auto correlation”, see sec- tion 8.6.5. Starting a measurement This function must be selected to measure a section for the first time, or after the first measurement if errors have occurred (trans- mitter not switched on, badly connected microphone etc.).

  • Page 35: Analyzing Results

    5 Performing a correlation measurement Performing a correlation measurement Depending on the setting  (see section 8.6.2) 16, 32, 64 or 128 averaging procedures (measuring processes) will be performed. The display will show which averaging procedure is cur- rently being performed. The correlation function is updated continually during the measurement.

  • Page 36: Filtering

    5 Performing a correlation measurement Performing a correlation measurement CAUTION! If you see a peak right in the middle of the screen, this may indicate that radio transmitter RT 06 is too close to the AC 06 (receiver). Increase the distance between the two appliances to several (5 –...

  • Page 37: Zoom

    5 Performing a correlation measurement Performing a correlation measurement 5.3.3 Zoom The “zoom” function allows you to enlarge areas of the correla- tion function. Select “zoom” with the arrow  keys. The “right” arrow key en-  larges the mode of curve. Position bar 1 below the cor- relation function shows which part of the entire pipe length is...

  • Page 38: Continuing A Measurement

    5 Performing a correlation measurement Performing a correlation measurement Continuing a measurement This function starts the correlation measurement with the old pipe data. All the previous results from any prior correlation will be retained. Any pipe data which has changed since the last correlation will not be taken into account.

  • Page 39: Measuring The Sound Velocity

    6 Measuring the sound velocity Measuring the sound velocity General Sound velocity measurements are necessary because it is impor- tant to enter the correct sound velocity for an exact measurement. The sound velocity values are contained in an internal table (see section 8.6.7).
  • Page 40 6 Measuring the sound velocity Measuring the sound velocity To create a source of noise, either generate a man-made leak  (e.g. open hydrant) or bang on the fitting in quick succession using a hammer. Select „start“ using the arrow keys. ...

  • Page 41: Charging Equipment

    7 Charging equipment Charging equipment Charging equipment Power is supplied to the AC 06 and the RT 06 by the integrated NiMH batteries. The AC 06 can be operated for approx. 10 hours. The operating time may be reduced consider- ably when using the display light or in low outside temperatures (display heating).

  • Page 42: Battery Condition

    7 Charging equipment Charging equipment The AC 06 and RT 06 transmit- ters can also be charged directly in the case. To do this, connect vehicle cable L or AC/DC adapter L to socket 1 in the case. Cables 2 and 4 must be con- nected to each of the RT 06 transmitters and cable 3 must be connected to docking station...

  • Page 43: Charging / Battery Maintenance

    7 Charging equipment Charging equipment Charging / battery maintenance While charging, the AC 06 displays the remaining charging time in hours. When in this mode the “battery maintenance” function can be selected using the menu key. This discharges the battery and recharges it again, thereby eliminating chemical deposits in the battery and improving its storage capacity.

  • Page 44: Menu (In Correlator Mode)

    8 Menu Menu (in correlator mode) Menu structure Settings which remain in effect even Listen Channel 1 after the device has been switched Channel 2 off. All others are reset to the default Channel 1 and 2 File values. (See section 8.6.8) Open Low resolution High resolution...

  • Page 45: Listening

    8 Menu Listening The “listen” function allows you to adjust the volume of the two channels. Using the arrow keys select the channel to be adjusted.  You can adjust the volume of the selected channel using the  arrow keys or the rotary regulator. If “channel 1”...

  • Page 46: Opening

    8 Menu measurement (after a measurement has been stopped), are also possible here. Exception: it is not possible to “continue” the measurement. There are up to 25 memory slots available, they are used together with the memory slots for “noises”. If you select “noises”...

  • Page 47: Deleting

    8 Menu 8.3.3 Deleting Using the arrow keys select what you want to delete: “low  resolution”, “high resolution” or “noises”. Confirm your selection by pressing the Enter key. A list containing the files stored in the AC 06 memory will appear. Using the arrow keys select the file you want to delete and ...
  • Page 48 8 Menu Pressing the Enter key takes  you into processing mode. Using the arrow keys select  which filter limit is to be ad- justed: - Filter left - Filter right - Hide left - Hide right Use the arrow keys to move ...
  • Page 49 8 Menu zoom filter left filter right cut off left left right filtering limit filtering limit left right cut off limit cut off limit Using the arrow keys select  “OK”. The set filters will be applied and the frequency response with the result will be up- dated.

  • Page 50: Setup

    8 Menu 8.4.3 Setup Settings are saved in the setup so that you do not have to call up the required individual functions again and again. Place the cursor on the desired option and then press the Enter key. 8.4.3.1 Frequency analysis The frequency analysis optimizes the coherence function filters using statistical methods to achieve an optimal correlation re- sult.

  • Page 51: Filter Basis

    8 Menu 8.4.3.3 Filter basis Here you can change the mode of curve of the frequency curve for the filter settings. Coherence  The similarity of the frequencies is displayed. Cross spectrum  The cross spectrum from the two channels is displayed. Spectrum, Ka 1 ...
  • Page 52 8 Menu When the signal is relatively high, the additional noises must stem from a source of interference which has a negative effect on the measuring result. Noise suppression ensures that correlation (averaging) only takes place when the signals are in a certain level range (volume). If the signals are outside of the level range, the measurement will be discontinued.

  • Page 53: Measuring Time

    8 Menu 8.6.2 Measuring time The “measuring time” function allows you to specify how many single measurements are to be performed before measurement stops. 8.6.3 Summation / Averaging The “summation” function uses all the individual results for the mode of curve of the CCF and analyzes them equally. The “averaging”...

  • Page 54: Type Of Correlation

    8 Menu 8.6.5 Type of correlation The cross correlation uses channel 1 and channel 2 to measure; the source of noise to be located must be within the measuring section. Auto correlation uses either channel 1 or channel 2. The sec- ond signal required for correlation is produced by reflecting the noise to be located at a reflection point.
  • Page 55 8 Menu 8.6.7 Table This menu offers a choice of 3 tables for the sound velocity mea- surement. You can choose between two set and one individually editable table. Table 1: Particularly good experience in France Table 2: Internationally applicable Table 3: Individually editable Selecting a table...

  • Page 56: Default Values

    8 Menu 8.6.8 Default values All parameters in the measuring parameters menu of the AC 06 are reset to the default values. This also includes those that are preserved after the device is switched off. The language setting and the individual sound velocity table will remain unchanged. Components The screen shows an overview of the main information about the 3 (maximum) main system components (2 x RT 06, 1 x AC 06...

  • Page 57: Setup

    8 Menu Explanation of symbols Accu empty Accu full Low volume High volume Poor radio reception Good radio reception Setup 8.8.1 Date, time This menu item allows you to set the current date and time. You can also select the date format. 8.8.2 Language This menu item allows you to change the language.

  • Page 58: Radio / Cable

    The time when the light goes out automatically.  The time when the device switches off automatically.  8.8.5 Name This menu item allows you to enter the name, company and the address. 8.8.6 Service This menu item is reserved for the Sewerin Service team.

  • Page 59: Options For Optimizing Measurement Results

    9 Options for Options for optimising measurement results Options for optimizing measurement results The ability to detect a leak depends on the correct calculation of the time difference. In cases where the leak noises are strong enough and there are no external sources of noise, the time dif- ference displayed after just a few averaging procedures (4 to 16) should suffice.

  • Page 60: Automatic Filtering

    Using accessories Use Sewerin accessories and tools. Use a hydrophone for plastic piping. The active filter creates new possibilities. The “teach-your- self tape” allows you to check the system and with a minimum of effort you can practice and keep yourself “in training”.

  • Page 61: Communication With The Pc

    PC in the form of an animation for each measurement. The SeCorr 08 target directory is created under the working directory from which the SeCorr 05 program was started, e.g. C:\Programs\ SEWERIN\SeCorr 05.
  • Page 62 10 Communication with the PC Communication with the PC The file names are allocated automatically from the measurement date and the exact (to-the-minute) measuring time in the AC 06. They take the following form: HA_DD-MM-YYYY_HH-MM.COR The abbreviations stand for the following: DD-MM-YYYY = Date (day, month, year) HH-MM...

  • Page 63: Technical Information

    1.3 kg Type of protection: IP54 Dimensions (W × H × D): 125 × 180 × 65 mm SeCorrPhon AC 06 correlator in AQUAPHON mode Transmission bandwidth 1 – 9950 Hz Adjustable filter 50, 500 and 1000 Hz increments Filter, minimum bandwidth...

  • Page 64: Accessories

    12 Accessories Accessories Case with foam insert, for two hydro- phones and two airborne noise microphones Hydrophone type HA e.g. for connecting to PE house service connections following removal of water meter. Hydrophone adapter UFH between underground hydrant DN 80 on 1“ female threads and hydrophone type HA Main pipe adapter M10 to permanently connect a micro-...

  • Page 65: Accessories For Electroacoustic Water Leak Detection

    12 Accessories 12.1 Accessories for electroacoustic water leak detection Test rod T-4 with screw-on tip. Cable with angle plug Ground microphone BO-4 with soundproofing against ex- terior noise, especially suitable for fixed surfaces Carrying rod H-4 for ground microphone BO4 and ground microphone 3P-4 Ground microphone 3P-4 with 3 feet for fixed and non-...

  • Page 66: Error Messages

    13 Error messages Error messages Error messages Error code Description Radio! RT 06-1 This message may appear when a corre- lation measurement is to be started. It is a warning. However, a correlation measure- ment may be possible nevertheless, but the quality of the radio connection is poor.
  • Page 67 F200 Communication error Error F200 can be ignored if it occurs oc- casionally. If it occurs regularly contact SEWERIN Service for help. F201 Communication error Error F201 can be ignored if it occurs oc- casionally. If it occurs regularly contact SEWERIN Service for help.

  • Page 68: Hints On Disposal

    European Waste Catalogue (EWC). Type of Waste Corresponding EWC Code Instrument 16 02 13 Battery, accu 16 06 05 Old Instruments Old instruments can be returned to Hermann Sewerin GmbH. We will arrange the qualified disposal free of charge through certified specialists.

  • Page 69: Appendix

    Appendix EC Declaration of Conformity Product: SeCorrPhon AC 06 Intended use: Water leak detector Manufacturer: Hermann Sewerin GmbH Address: Robert-Bosch-Str.3 33334 Gütersloh - Germany The product complies with the following directives: 89/336/EEC EC Directive: Electromagnetic compatibility 92/31/EEC Amendment to above...

  • Page 70: Index

    Appendix Index Enter key 9, 10, 23, 24, 28, 36, 38, 39, 40, 48 Accessories 1, 50, 51, 54 File 35, 36, 52 Active filter 50, 54 Filter 37, 39, 40, 41, 49, 50 Amplifier modulation 2 fixed surfaces 16 Analog display 12 Frequency analysis 40, 50 AQUAPHON mode 4, 8, 9, 10...
  • Page 71 Appendix Name 48 Table 29, 45 Noise suppression 41, 42 Teach-yourself tape 50, 54 non-fixed earth surfaces 16 Test rod T-4 17 Time 47, 52 Type of correlation 44 ON key 5, 8, 25 Optimization 49, 50 Units 47 Peaks 25 Piezo microphone EM 30 17 Water leak detection 1, 2 Pipe data 23, 24, 27, 28, 29, 30...
  • Page 72 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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