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Sonotec SONASCREEN 2 Operating Manual

Acoustic camera for preventive maintenance
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Operating Manual
SONASCREEN 2
Acoustic camera for preventive maintenance
Translation of the German Original
Revision: 1.0 | 2024-07-19

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  • Page 1 Operating Manual SONASCREEN 2 Acoustic camera for preventive maintenance Translation of the German Original Revision: 1.0 | 2024-07-19...

  • Page 2: Table Of Contents

    Operating Manual | SONASCREEN 2 Content Introduction ........................4 Notes on this documentation ................... 4 Representations in this documentation ................4 Identification of warning instructions ................5 Safety instructions ......................6 Introduction ........................6 Basic hazards ........................7 2.3 Personnel and qualifications .................... 8 2.4 Safety-conscious working practices ................
  • Page 3 Operating Manual | SONASCREEN 2 Concluding a work order ....................57 Opening saved measurements ..................57 Evaluating measurement results ..................58 Adding a marker in the spectrogram ................59 Customizing the display ....................61 Creating video or audio files ..................65 6.6 Preparing a measurement for export ................

  • Page 4: Introduction

    Operating Manual | SONASCREEN 2 1. Introduction This section is intended to explain function, structure and representations of this documentation to simplify handling of this documentation. Notes on this documentation Purpose This documentation constitutes an integral part of the product and contains important advice on safe operation as well as all information on intended and efficient use.

  • Page 5: Identification Of Warning Instructions

    Operating Manual | SONASCREEN 2 1.3 Identification of warning instructions Classes of danger, signal words and colors This documentation contains warnings regarding hazards of different classifications. These classes are characterized by signal words and colors. They include the following: DANGER Warns of immediate danger, which, if ignored, may lead to death or serious injury.

  • Page 6: Safety Instructions

    Operating Manual | SONASCREEN 2 2. Safety instructions This section contains safety information relating to the protection of persons as well as safe and fault-free operation. All user groups of the product must be aware of and follow these safety provisions.

  • Page 7: Basic Hazards

    Operating Manual | SONASCREEN 2 2.2 Basic hazards Definition Basic hazards are residual risks that remain even with safety-conscious intended use. State of the art The product meets the current state of the art and applicable safety rules. All components of the product are tested thoroughly before they leave the factory and are delivered in a condition for safe operation.

  • Page 8: Personnel And Qualifications

    Operating Manual | SONASCREEN 2 2.3 Personnel and qualifications Basic requirements The product must only be used by operators that have completely read and understood the safety instructions and all documents of the user documentation. Personnel undergoing training or instructions or persons taking part in general vocational training programs may only operate the device under the continuous supervision of operating or technical personnel.

  • Page 9: Safety-Conscious Working Practices

    Do not use the product and its accessories if they display functional errors and/or visible damage. • Only connect the product to approved equipment received from SONOTEC GmbH or its sales partners. • The product adheres to the protection class given in the technical specification and is protected against splash water.

  • Page 10: Modifications And Alterations

    Spare parts and accessories Spare parts and accessories must comply with the technical requirements specified by SONOTEC GmbH and its suppliers. Whenever original parts are used, compliance is given. No alterations to the software Do not alter the supplied software or commission software alterations to third parties.

  • Page 11: Description Of The Device

    3.2 Prohibited use Any use not approved by SONOTEC GmbH is prohibited and may lead to injury or damage to property. SONOTEC GmbH accepts no liability for damage caused by prohibited use of the product.

  • Page 12: Set

    700 01 0432 Components The delivered set contains the following components: Designation Article number SONASCREEN 2 acoustic camera (included in set 700 01 0432) 400 01 0273 Charger/power supply for SONASCREEN 2 acoustic camera 400 01 0274 USB-C cable 400 01 0275...

  • Page 13: Connections, Interfaces, Device Elements

    Operating Manual | SONASCREEN 2 3.4 Connections, interfaces, device elements Connection/interface/device element LEDs (torchlight functionality) Camera for detection of optical signals Infrared sensor Microphones for detection of acoustic signals Connection for tripod adapter plate Connection for charger/power supply Touch screen Earphone connection (jack socket 3.5 mm)

  • Page 14: Status Display And Device Buttons

    Operating Manual | SONASCREEN 2 3.5 Status display and device buttons Structure Component Description / Function Status-LEDs Charge Show the current charging status of the device. Level Status-LED Shows the actual device status: • Flashing: Device is starting • Green: device is switched on •...

  • Page 15: Device Labeling

    Operating Manual | SONASCREEN 2 3.6 Device labeling Identification plate Identification Manufacturer’s address CE marking Symbol protection class Device designation Serial number Power rating Disposal symbol Symbol Lithium-Ion battery Page 15 of 93 Revision: 1.0 | 2024-07-19...

  • Page 16: User Interface

    Operating Manual | SONASCREEN 2 4. User interface This section describes the software's screens. Depending on the use of the software (directly on the device or on a personal computer), individual functions may be activated or deactivated. Start Type Description/function Measurement Modes Opens the specific measurement mode.

  • Page 17: Settings

    Operating Manual | SONASCREEN 2 Settings Type Description / Function System Opens a menu for setting: Date & Time Password protection Opens a menu for creating or selecting user profiles that have already been created. The following parameters can be adjusted there: Users •...

  • Page 18: System

    (see "Resetting the device") or • unlocked by a master password. The master password may be requested from SONOTEC GmbH. For requesting a master password, some details are necessary for identity verification. They can be retrieved as follows: After switching on, tap on the "Info" icon in the setting menu.

  • Page 19: Users

    Operating Manual | SONASCREEN 2 4.2.2 Users The user profiles can be managed in the Users menu. This means that new user profiles can be created, deleted or existing ones can be adjusted. The selected profile is displayed on the home...
  • Page 20 Operating Manual | SONASCREEN 2 Page 20 of 93 Revision: 1.0 | 2024-07-19...
  • Page 21 Operating Manual | SONASCREEN 2 The following parameters can be set in the user profiles: Language The preferred language can be selected here. Color scheme Here you can choose between the light and dark color scheme. System of units Here you can choose between the metric and imperial system of units.

  • Page 22: Profiles

    Operating Manual | SONASCREEN 2 4.3.3 Profiles In the Profiles menu, the existing measurement profiles can be edited, new one can be defined, reset to the default settings or deleted: In den Messprofilen können die folgenden Parameter eingestellt werden: Page 22 of 93...
  • Page 23 Operating Manual | SONASCREEN 2 Icon Here you have the option of defining the start screen icon. Description A short description of the measurement profile can be stored under the “Description” menu. Automatic reset The “Automatic reset” function allows you to define whether and when the measurement profile should be automatically reset to the default settings.
  • Page 24 Operating Manual | SONASCREEN 2 Acoustic The acoustic image or the infrared image help to determine, analyze and evaluate sound signals or infrared signals. Scaling and dynamics are used to determine the representation of the sound signals or infrared signals.
  • Page 25 Operating Manual | SONASCREEN 2 Mode The mode refers to the available scaling modes. Scaling mode Description Auto In “Auto” scaling mode, the sound source that generates the strongest level in the set frequency band is displayed. Depending on the set dynamic range, the following colors are...
  • Page 26 Operating Manual | SONASCREEN 2 Dynamics The dynamics at the start of a measurement can be adjusted here. Crest The crest factor, which has a direct influence on the dynamics, can be set here. The crest factor provides support when the amplitude (volume) of the signal fluctuates.
  • Page 27 The recording time determines the recording period for a measurement. The longer the measurement duration, the more memory is required for a measurement. The measurement duration of the SONASCREEN 2 is limited to 240 seconds. Page 27 of 93 Revision: 1.0 | 2024-07-19...
  • Page 28 Operating Manual | SONASCREEN 2 Measuring mode The measurement modes Normal (up to 24 kHz), Ultra (up to 100 kHz) and Ultra with infrared (100 kHz with infrared measurement) are available. Infrared The unit, resolution and color palette can be set in the infrared settings menu.
  • Page 29 Operating Manual | SONASCREEN 2 Leakage detection The necessary parameters for evaluation can be changed in the Leakage detection menu. Page 29 of 93 Revision: 1.0 | 2024-07-19...
  • Page 30 Operating Manual | SONASCREEN 2 Trigger In the Trigger menu, the desired values can be entered in the Lead time, Lag time and Trigger level fields. In addition, the measurement data to be saved can be selected under “Data to be saved”.
  • Page 31 Operating Manual | SONASCREEN 2 Trigger method "Acoustic Picture" In the Acoustic Picture trigger method, the trigger is determined within the acoustic picture. The following parameters may be set: Parameter Description/function Pre-trigger time Duration in seconds before triggering a recording. This duration is part of the section of the current measurement that is to be saved.
  • Page 32 Operating Manual | SONASCREEN 2 Trigger method “Spectrum” The trigger settings will be used starting with the next measurement. A yellow indicator line ("trigger curve") is shown in the spectrum. This indicator line indicates the reference spectrum and that the "Spectrum" trigger method is activated Spectrum"...
  • Page 33 Operating Manual | SONASCREEN 2 Type Description/function Grid point • Defines frequency and level on a determined position within the spectrum. • May be moved to a different position by tapping and pulling or by entering different values for frequency and level.
  • Page 34 Operating Manual | SONASCREEN 2 Using long-term measurement In a long-term measurement, the following measurement data will be recorded and saved for a configurable time interval: • Averaged beam picture (averaged values of the individual beam pictures) • Acoustic peak hold image (maxima of the individual beam pictures) •...
  • Page 35 Operating Manual | SONASCREEN 2 Customizing function keys All eight function keys of the device offer functions preconfigured by the manufacturer. Each function key may be customized with predefined functions. Generally, the following functions are available: • Start/Stop Measurement •...
  • Page 36 Operating Manual | SONASCREEN 2 Camera resolution The options 320 x 240 (50 fps) and 640 x 480 (16 fps) are available here. Create user profile Tap the “New” button in the “Profiles” menu. The New profile dialog box opens.
  • Page 37 Operating Manual | SONASCREEN 2 Delete user profile CAUTION When a user profile is deleted, the saved configurations and measurement settings are also deleted along with the user profile. Before deleting a user profile, make sure that it can be deleted.

  • Page 38: User Interface Measurement

    Operating Manual | SONASCREEN 2 4.3 User Interface Measurement Screen Pro Mode Type Description / Function Left Menu/Slider Includes tools for controlling and managing measurements. Different functions are available depending on the selected measurement mode. Upper Menu/Slider Shows information on the device generation used and set parameters.
  • Page 39 Operating Manual | SONASCREEN 2 Functions in the four menus/sliders A variety of functions are available in the four menus/sliders, which are explained in this section. Type Description / Function Available • Professional Starts or stops the recording of a Start •...
  • Page 40 Operating Manual | SONASCREEN 2 analyzed. • Pro/Standard/Leak/PD Next Image By tapping the “Last Image” and “Next Image” icons, each individual image of a measurement video can be analyzed. • Pro/Standard/Leak/PD Replay Starts or stops the playback of a recorded or opened Measurement measurement.

  • Page 41: Computer Software

    Operating Manual | SONASCREEN 2 Computer software For the device, two software applications are available that may be installed on Windows computers. This section describes the two software applications. 4.4.1 SONASCREEN software Description The software used on the device is also available as software for Microsoft Windows computers.

  • Page 42: Leakreport Software

    Operating Manual | SONASCREEN 2 4.4.2 LeakReport software Function The “LeakReport” computer software is used to generate reports in XSLX (Microsoft Excel) and PDF formats from the measurement data of leakage measurements. Structure Description Type Description/function Menu Contains entries with the following options: •...
  • Page 43 Operating Manual | SONASCREEN 2 Start report Opens a dialog window for: Setting a report name and comment Creating the report The name will be displayed in the header of each report page. The comment will be displayed on the report's title page.

  • Page 44: Pd Report

    Operating Manual | SONASCREEN 2 4.4.3 PD Report Function The PC software “PDReport” can be used to create reports from partial discharge measurement data in Excel and PDF file formats. Structure Type Description / Function Menu Contains entries with the following functions: •...
  • Page 45 Operating Manual | SONASCREEN 2 Start Analysis Starts the analysis of the measurements contained in the selected directory. Start Report Opens a dialog box to: • Specify a name and comment for the report • Create the report List of...

  • Page 46: Performing Measurements

    Operating Manual | SONASCREEN 2 5. Performing measurements The device may be used to record measurement data with two differing methods. Apart from measurements suited for differing applications, the devices offer the possibility to specifically record measurement data for leakage measurements.

  • Page 47: Starting A Leakage Measurement

    Operating Manual | SONASCREEN 2 5.2 Starting a leakage measurement Description Measurements that are started with the “Leakage measurement” recording method are used for detection and documentation of compressed air leakage. Due to the measurement data that are required for this kind of detection, different controls and measurement settings have to be predefined by the manufacturer and cannot be customized.

  • Page 48: Customizing Measurement Settings

    Operating Manual | SONASCREEN 2 5.3 Customizing measurement settings Depending on the work order, differing measurement settings in the “Measurement” screen may be required or useful for optimized analysis and evaluation of measurement data. 5.3.1 Setting the distance from the sound source...
  • Page 49 Operating Manual | SONASCREEN 2 Scaling mode Description Auto In “Auto” scaling mode, the sound source that generates the strongest level in the set frequency band is displayed. Depending on the set dynamic range, the following colors are assigned to the image areas:...

  • Page 50: Setting The Recording Time

    Operating Manual | SONASCREEN 2 5.3.3 Setting the recording time Description The recording time sets the recording duration for a measurement. The longer the recording time, the more storage space is needed per measurement. The device's internal storage offers 32 GB. This memory size is sufficient for approximately 400 measurements with a duration of 10 seconds or 80 measurements of 60 seconds.

  • Page 51: Adjusting The Audio Output

    Operating Manual | SONASCREEN 2 5.3.4 Adjusting the audio output Description The detected sound signals are visualized in the beam picture and may additionally be output as sound via the device's headphone socket. Playback allows for distinction of the sound sources and detection of a particular sound source.

  • Page 52: Create Screenshot

    Operating Manual | SONASCREEN 2 5.3.5 Create Screenshot Description During recording or analyzing measurements, screenshots may be taken. These screenshots may be used for documentation of measurements and/or procedures. A screenshot saves the display view with its current layout. Screenshots are saved in PNG format within the working directory and may be transferred from the device to a personal computer by using a USB storage medium.

  • Page 53: Ending A Measurement

    Operating Manual | SONASCREEN 2 5.3.6 Ending a measurement Description During recording a measurement, all measurement data will be cached in the device for the duration of the set recording time. The cached time period is displayed in the spectrogram.

  • Page 54: Saving A Measurement

    Operating Manual | SONASCREEN 2 5.3.7 Saving a measurement Description All measurement data cached after ending a measurement may be saved in a measurement data file in the device. Each saved measurement data file may be opened again at any point in time.

  • Page 55: Restoring Defaults

    Operating Manual | SONASCREEN 2 5.3.9 Restoring defaults When restoring defaults, all currently loaded configurations and measurement settings will be deleted from the device's internal storage. All created user profiles remain saved and may be loaded again. After restoring defaults, the...
  • Page 56 Operating Manual | SONASCREEN 2 Procedure ATTENTION Direct reset to factory settings The device will be reset to factory settings without confirmation prompt. In the "Choose profile" screen, tap the Restore Defaults button. The device is reset to factory settings.

  • Page 57: Concluding A Work Order

    Operating Manual | SONASCREEN 2 Concluding a work order After performing and saving all measurements, these may subsequently be analyzed on the device or edited for further applications (e.g. videos, reports or editing on the personal computer). 6.1 Opening saved measurements...

  • Page 58: Evaluating Measurement Results

    Operating Manual | SONASCREEN 2 6.2 Evaluating measurement results Measurements can be played back in a range of speeds or in single image steps. This may be helpful for: a preliminary evaluation directly after ending a measurement or • subsequent analysis and evaluation after opening a saved measurement.

  • Page 59: Adding A Marker In The Spectrogram

    Operating Manual | SONASCREEN 2 6.3 Adding a marker in the spectrogram Description Markers may be used to indicate acoustic events within a measurement. Markers may be added in the spectrogram: during recording of a measurement or • subsequently in completed or saved measurements.
  • Page 60 Operating Manual | SONASCREEN 2 Navigating between markers If measurements contain markers, it is possible to navigate between markers. It is also possible to delete existing markers. Tap the "Marker" icon. Use the "Previous" or "Next" icons to navigate between markers.

  • Page 61: Customizing The Display

    Operating Manual | SONASCREEN 2 6.4 Customizing the display Description The display view and its individual areas may be customized to: enhance evaluations during measurement recording and/or • provide more accurate analyses of completed or saved measurements. • Changing the display view layout Acoustic image, spectrogram and spectrum may either be displayed as full screen or in a combined view.
  • Page 62 Operating Manual | SONASCREEN 2 Order View Image Beam picture as full screen Spectrogram and spectrum as full screen Combined view with zoomed-out beam picture Page 62 of 93 Revision: 1.0 | 2024-07-19...
  • Page 63 Operating Manual | SONASCREEN 2 Customizing beam picture representation In the "Measurement" screen, tap the beam picture and keep pressing for about 2 seconds. A context menu with the following display options will open: Option Description/function Opens a slider to set video camera brightness.
  • Page 64 Operating Manual | SONASCREEN 2 Customizing spectrum representation Tap the spectrum and keep pressing for about 2 seconds. A context menu with the following display options will open: Anzeigeoption Beschreibung/Funktion Hiding or unhiding the global spectrum (orange curve) Hiding or unhiding the local spectrum (red curve)

  • Page 65: Creating Video Or Audio Files

    Operating Manual | SONASCREEN 2 6.5 Creating video or audio files Description A complete measurement or a selectable measurement section may be exported as video or audio file. Completed or saved measurements may be exported as video file in WebM file format with or without audio content.

  • Page 66: Preparing A Measurement For Export

    Operating Manual | SONASCREEN 2 6.6 Preparing a measurement for export In the tab “Memory”, tap the "Videoexport" icon. Optional: In the spectrogram, tap the requested beginning of the export file. Optional: Tap the "Set start" icon. Optional: In the spectrogram, tap the required end of the export file.
  • Page 67 Operating Manual | SONASCREEN 2 Exporting a measurement Tap the "Export" icon. The selected area is used for export. If no beginning and end are set, the whole measurement will be used for export. A screen for setting the export options opens.

  • Page 68: Managing Measurements

    Operating Manual | SONASCREEN 2 6.7 Managing measurements Description Using the integrated data management functions, the measurements and/or directories saved on the device may be: • copied to a USB storage medium for further evaluation or • deleted from the device.
  • Page 69 Operating Manual | SONASCREEN 2 Transferring measurements to a USB storage medium For further evaluation and/or processing, the measurements and/or directories saved on the device may be transferred to a personal computer via a USB storage medium. Connect a USB storage medium to the device.
  • Page 70 Operating Manual | SONASCREEN 2 Tap on the “Paste” icon The measurement has now been transferred to the USB storage medium. Page 70 of 93 Revision: 1.0 | 2024-07-19...
  • Page 71 Operating Manual | SONASCREEN 2 Deleting measurements All measurements and devices saved in the device's internal storage or on a connected USB storage medium may be deleted via Data management. Select the particular measurements and/or directories. Tap the "delete" icon.

  • Page 72: Using Computer Software

    Operating Manual | SONASCREEN 2 6.8 Using computer software Description Optionally available computer software for "Microsoft Windows" computers allows to: • control the device via a personal computer, • save device measurements on the personal computer and • create leakage measurement reports.
  • Page 73 Operating Manual | SONASCREEN 2 Using LeakReport software For leakage reports, only measurements may be used that were recorded using the “Leakage measurement” recording method. Installing Download the software as ZIP file to the computer. The download link for the software is available in the mysonaphone.com...
  • Page 74 Operating Manual | SONASCREEN 2 Setting units and currencies Units and currencies will be used for the representation of measured and calculated values on the user interface and in reports. In the menu, click the Units and Currencies item. A dialog window opens for setting the unit and currency used in the report.
  • Page 75 Operating Manual | SONASCREEN 2 Creating a Report Select the directory with the particular measurements (1). Start the analysis (2). Check the measurement data of the individual measurements and if necessary, adjust them (3). View and evaluate the analysis result (4).
  • Page 76 To the best of its knowledge, SONOTEC has developed a procedure for classifying and estimating the total leakage loss based on methods of flow acoustics. SONOTEC is in no way liable for the results obtained or for decisions made on the basis of the results obtained. Any action derived by the end user from the results is the sole responsibility and liability of the end user.
  • Page 77 Operating Manual | SONASCREEN 2 Tabular overview Content Overview of all measurements contained in the report with: • Name of the measurement data file • Leakage rate in l/min • Loss in €/year (calculated from the loss calculation settings) •...

  • Page 78: Turning Off The Device

    Operating Manual | SONASCREEN 2 Turning off the device Description The device may be shut down and turned off either by the software or the on/off button. Automatic turn off If the turned-on device has not been in use for approximately 5 minutes, it will automatically turn off.

  • Page 79: Maintaining The System

    Operating Manual | SONASCREEN 2 7. Maintaining the system This section contains instructions for maintenance and servicing of the device and the device software. Updating the device software Description Updates of the device software may be downloaded from the mysonaphone.com web portal.
  • Page 80 Operating Manual | SONASCREEN 2 Tap on the update data and then tap on “copy”. Navigate to the device memory. Page 80 of 93 Revision: 1.0 | 2024-07-19...
  • Page 81 Operating Manual | SONASCREEN 2 Paste the update data. Installing the update on the device Connect the device to the power supply with the power supply unit. Connect the device with the charger! To install the update file, the device must be connected to the power supply.
  • Page 82 Operating Manual | SONASCREEN 2 Tap the "Update" icon. In the "File selection" window, navigate to the update file. Mark the update file. Tap the "Confirm" ( ) icon. The update process is started. After successful completion of the update process, a notification window opens.

  • Page 83: Resetting The Device

    Operating Manual | SONASCREEN 2 Resetting the device Description If the device software cannot be executed, you need to reset the device to factory settings or the password has been forgotten, the device software may be reset with an integrated recovery program.

  • Page 84: Cleaning And Maintenance

    ATTENTION Check the compatibility of used cleaning agents! The compatibility of all cleaning agents with used materials and colors must be confirmed and approved by SONOTEC GmbH or the respective supplier. Unsuitable cleaning agents Do not clean the product with: •...

  • Page 85: Storage

    The device's battery may only be replaced by the manufacturer. Rectifying deep discharge If the battery is deeply discharged, please contact SONOTEC GmbH or its distribution partners to initiate appropriate repair. Please note that the repair of deeply discharged batteries is not covered under our warranty.

  • Page 86: Troubleshooting

    Operating Manual | SONASCREEN 2 9. Troubleshooting Potential error Possible cause Troubleshooting Contact the manufacturer or your sales Battery is deeply Device does not start partner. discharged Perform partial or full reset. Firmware faulty Device does not start Page 86 of 93...

  • Page 87: Technical Data

    Operating Manual | SONASCREEN 2 10. Technical data General data Article number SONASCREEN 2: 400 01 0273 Dimensions (L × W × H) 12.2 × 6.3 × 2.2 inch | 31 × 16 × 5,5 cm Weight 3.3 lb | 1.5 kg...
  • Page 88 Operating Manual | SONASCREEN 2 Sensor system (optical) Camera: digital Resolution: 320 × 240 pixels (at 50 fps) or 640 × 480 pixels (at 16 fps) Aperture angle: 70 ° Infrared sensor Spectral range Longwave infrared, 8 … 14 µm Resolution 160 ×...

  • Page 89: Disposal

    Operating Manual | SONASCREEN 2 11 Disposal Recycling and taking back of used equipment Electrical and electronic devices may pose a risk to health and the environment if disposed of incorrectly. They cannot therefore be disposed of as domestic waste according to WEEE Directive 2012/19/EU (Waste Electrical and Electronic Equipment Directive).
  • Page 90 Operating Manual | SONASCREEN 2 Removing the battery According to legal requirements, batteries must be disposed of separated from their electrical devices. For self-dependent disposal at designated collection points, the batteries must be removed from the device. CAUTION Device damage and warranty voidance by opening the device! Opening the device will damage it and render it unusable.
  • Page 91 Operating Manual | SONASCREEN 2 Remove the four screws of the microphone array. Remove four screws of the battery holder and remove the the battery. Screwdriver Torx TX6 Dispose of the battery and device separately according to legal requirements. Page 91 of 93...

  • Page 92: Warranty

    Warranty During the warranty period, SONOTEC GmbH will eliminate all deficiencies caused by material or manufacturing faults free of charge. SONOTEC GmbH will at its own discretion offer warranty by reparation or replacement of faulty products. Exceptions Internal accumulators as well as damage caused by unintended use, by wear or by manipulation of the product are exempt from warranty.

  • Page 93: Manufacturer Information

    © SONOTEC GmbH All rights reserved. All contents of this document are property of SONOTEC GmbH and are protected by copyright. Duplication, modification and/or distribution in any form, particularly for reprint, for photographic, mechanical or electronic reproduction or in the form of saving in data processing systems or data networks is forbidden without written approval by SONOTEC GmbH.

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