sewerin Stethophon 04 Operating Instructions Manual
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sewerin Stethophon 04 Operating Instructions Manual

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Summary of Contents for sewerin Stethophon 04

  • 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 perform- ance, safety and efficiency. They correspond with the national and in- ternational guide-lines.
  • Page 3 Stethophon 04 illustrated – Device structure Headphone socket Probe tip z for recording vibrations z removable Microphone socket z for connecting an external microphone Display Loudspeaker key z start/stop measurement z switch off noise Arrow-up key z increase volume, filter level, values in normal...
  • Page 4 Display illustration – Description of symbols and abbreviations Measured value (current minimum sound level) Volume, also: frequency range z missing segment indicates selected volume / visible segments indicate bandpass frequency range Status message, also: menu item /last measured value /filter level Filter symbol z filter level can be changed Loudspeaker symbol (crossed out)
  • Page 5 Operating Instructions Stethophon® 04 22.07.2013 – V3.XX – 104854 – en...
  • Page 6 Symbol explanation CAUTION! This symbol is used to indicate dangers which may either result in hazards for the operators or in severe damage – or even destruction – of the product. Note: This symbol is used to call attention to information and tips which may be helpful and which are exceed- ing the basic operating procedures.

  • Page 7: Table Of Contents

    Contents Page Introduction ................1 General ..................2 Warranty ..................2 Intended use ................3 Safety information ..............3 Useful information about the device ........4 Models ..................4 Structure ..................4 Modes of operation ..............5 Reset ..................5 Listening to noise ..............6 3.5.1 Adjusting the volume .............7 3.5.2 Automatic hearing protection ..........8 3.5.3 Switching off the noise ............9...
  • Page 8 Contents Page Appendix ................25 Technical data .................25 Accessories ................26 EC Declaration of Conformity ..........27 FCC Compliance Statements ..........28 Advice on disposal ..............29...

  • Page 9: Introduction

    1 Introduction Introduction The Stethophon 04 is an electroacoustic listening device used to detect leaks. The device's probe tip records the natural vibrations of the object of examination. The Stethophon 04 displays a relative measure- ment according to the internal amplification of the vibrations, and emits the corresponding noise through the headphones.

  • Page 10: General

    Hermann Sewerin GmbH accepts no liability for any damages resulting from non-compliance with these instructions. The war- ranty and liability provisions of the terms of sale and delivery of Hermann Sewerin GmbH are not affected by the information given below.

  • Page 11: Intended Use

    2 General information Intended use The Stethophon 04 is a sensitive measuring device. It may only be used for listening to sounds. The device is suitable for both indoor and outdoor use. There are special accessories available for both applications to optimise the measurement results and prevent operating errors.

  • Page 12: Useful Information About The Device

    3 Useful information about the device Useful information about the device Models The Stethophon 04 is available with and without a radio mod- ule. Stethophon 04 with radio module Devices featuring a radio module feature an SDR sticker (SDR = Sewerin Digital Radio).

  • Page 13: Modes Of Operation

    3 Useful information about the device Modes of operation The device features two modes of operation: z Measuring > see Section 4 z Normal settings > see Section 5 It is not possible to switch directly to the normal settings from measuring mode.

  • Page 14: Listening To Noise

    3 Useful information about the device Listening to noise The main purpose of the Stethophon 04 is for listening to noise. The device is therefore almost always used with headphones. The minimum sound level shown in the display should confirm the results heard.

  • Page 15: Adjusting The Volume

    3 Useful information about the device 3.5.1 Adjusting the volume The missing segment in the volume display indicates the selected volume. z loud z quiet Changing the volume Action What happens? Hold down Noise gets louder Hold down Noise gets quieter Release key Selected volume will be saved The volume can also be changed during a measurement.

  • Page 16: Automatic Hearing Protection

    Correct recognition of the limit for the automatic hearing protection function is only guaranteed if SEWERIN's F5, K3 or S4 headphones are used. The limit for activation of automatic hearing protection is set in the normal settings under PRO. The automatic hearing protection function can be disabled.

  • Page 17: Switching Off The Noise

    Automatic shut down The Stethophon 04 switches off automatically z if there is insufficient battery power. (BAT will appear briefly in the display.) In some cases this may also happen immediately after switch- ing the device on! Replace/recharge the batteries (see Sec- tion 6.3).

  • Page 18: Illumination Of Display

    3 Useful information about the device Illumination of display The device display automatically illuminates when any key is pressed (stays lit for 20 s). Note: The automatic display illumination function can be locked (see Section 5.2).

  • Page 19: Measuring

    4 Measuring Measuring How to switch the device on (measuring mode) Switching the device on (measuring mode) Action What happens? / Why? Information in display z The device switches on Press approx. 2 s 2. Wait z internal power supply veri- fication: disposable or re- chargeable battery z Battery symbol appears...
  • Page 20 4 Measuring Note: When using the wireless headphones please ensure that you do not move too far away from the device and that you stay within the radio range. Measuring Action What happens? / Why? Information in display z Device is preparing for measurement Press z Noise switched off...

  • Page 21: What You Need To Know About The Noise Picked Up

    4 Measuring Please note the following when measuring: z Ensure that there is firm contact between the device and the object of examination. However, do not exert any pressure on the probe tip. z Always measure until you have a clear impression of the meas- urement location.

  • Page 22: How To Influence The Quality Of The Measurement Result

    4 Measuring How to influence the quality of the measurement result Various factors can affect the quality of a measurement. z If possible only measure when the amount and intensity of in- terference noise (e. g. open water pipes, vibrating machines, talking) is minimal.
  • Page 23 4 Measuring Each filter level accentuates certain specific noise elements. Suitability of filter levels Filter Frequen- Noise Select for level muffled z Large pipe diameters z Plastic piping z Floors z Small pipe diameters high clear z Metal pipes The filter levels also allow frequency ranges of different widths to pass.
  • Page 24 4 Measuring Changing the filter level Action What happens? / Why? Information in display z Filter symbol appears z Current filter level flashes Press z Instead of the volume the frequency range is dis- played z Filter level increases Press z Filter level decreases Press z New filter level is applied...

  • Page 25: Using An External Microphone

    4 Measuring 4.3.2 Using an external microphone The Stethophon 04 can record the structure-borne noise of the object of examination either using the device's internal or an ex- ternal microphone. Using an external microphone is preferable if it makes examina- tion of the object easier (e.

  • Page 26: Extending The Probe Tip

    4 Measuring 4.3.3 Extending the probe tip The probe tip of the Stethophon 04 can be extended if the object of examination is too far away or awkward to reach. One or more probe tip extensions can be screwed between the device and the probe tip.

  • Page 27: Normal Settings

    5 Normal Settings Normal settings How to use the normal settings Opening the normal settings Action What happens? Information in display 1. Condition: Device must be switched off z The device switches Hold down whilst pressing z Software version is displayed briefly 3.
  • Page 28 5 Normal Settings Exiting normal settings Action What happens? Information in display Exit 1. Select END from the menu 2. Set value to 1 z Changed settings will be saved Leave value at 0 z Changed settings will not be saved z Device switches to measuring mode Press...

  • Page 29: What Values Can Be Adjusted

    5 Normal Settings What values can be adjusted? Menu Adjusted Significance/function item setting Listening 0 Listening functions according to the power switch principle: Press > Listening switched on, loudspeaker symbol hidden Press again > Listening switched off, loudspeaker symbol visible 1 Listening functions according to the principle of the button: –...
  • Page 30 5 Normal Settings Menu Adjusted Significance/function item setting Display 0 Display illumination switched off illumination (energy saving mode) 1 Display always lights up when a key is pressed Reset 0 Menu items are not reset when you exit normal settings 1 All menu items are reset when you exit normal settings 0 Set values are not applied...

  • Page 31: Maintenance And Servicing

    6 Maintenance and servicing Maintenance and servicing Overview Maintenance and servicing of the Stethophon 04 comprises the following points: Maintenance and servicing What? How? By whom? How often? Simple User If suspected that the function test Section 6.2 device is not function-...

  • Page 32: Replacing Disposable/Rechargeable Batteries

    6 Maintenance and servicing Replacing disposable/rechargeable batteries The battery compartment is locked with a quick-release fastener (1/4 turn). It can be opened using a tool (e. g. coin, screwdriver). CAUTION! The polarity of the two disposable/rechargeable batteries in the battery compartment points in the same direction.

  • Page 33: Appendix

    7 Appendix Appendix Technical data Protection rating IP54 Power supply 2 AA-size alkaline batteries 2 NiMh rechargeable batteries (each min. 2000 mAh) Operating time: min. 8 h Weight: approx. 290 g (0.64 lbs.) Dimensions: 50 × 228 × 30 mm (W × H × D) (1.96 ×...

  • Page 34: Accessories

    7 Appendix Accessories Piezo microphone EM 35 Art. no.: EM35-10100 z particularly for use indoors z Flexible cable 1.3 m z Phone jack 3.5 mm z M6 external thread for attach- ing adapters Piezo microphone EM 30 Art. no.: EM30-10400 z particularly for use outdoors z Tension resistant cable 1.3 m z Phone jack 6.3 mm...

  • Page 35: Ec Declaration Of Conformity

    7 Appendix EC Declaration of Conformity Hermann Sewerin GmbH hereby declares that the Stethophon ® fulfils the requirements of the following guideline: z 2004/108/EC The complete declaration of conformity can be found online.

  • Page 36: Fcc Compliance Statements

    7 Appendix FCC Compliance Statements The device has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the device is operated in a commercial environment.

  • Page 37: Advice On Disposal

    Device 16 02 13 Disposable battery, 16 06 05 rechargeable battery End-of-life equipment Used equipment can be returned to Hermann Sewerin GmbH. We will arrange for the equipment to be disposed of appropriately by certified specialist contractors free of charge.
  • Page 38 Leakage Consultants 695 Nashville Pike, No. 310 Gallatin, TN 37066 Ph: (615) 989-1576 Fax: (615) 451-5044 LocateUnderground.com 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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