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sewerin Aquaphon A 100 Operating Instructions Manual

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Summary of Contents for sewerin Aquaphon A 100

  • 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 performance, safety and efficiency. They correspond with the national and international guide-lines. Please read and understand the following operating instructions before using the equipment;...
  • Page 3 Illustration AQUAPHON A 100 Digital display Gaunlet key Analog isplay Speaker symbol Headphone socket Socket for probes Loudspeaker Battery symbol Comment line AQUAPHON® A 100 Mikrophone key Small digital display Charging status display / Volume display Cusor keys Magnifying-glass Hz key...
  • Page 4 Operating Instructions AQUAPHON® A 100 20.04.2016 a – V8.X – 104194 – en...
  • Page 5 Symbol explanation CAUTION! This symbol warns of dangers that may threaten the safety of the user or maty damage or destroy the product. Note: This symbol flags information and hints extending beyond the actual operation of the product .

  • Page 6: Table Of Contents

    Contents Page General ..................1 Warranty ..................1 Intended use ................2 General notes ................2 Function description ...............3 Water leak detection ..............3 Acoustic pipeline location ............3 Use ....................4 Switching on and off ..............4 3.1.1 Manual probe selection ............5 Adjusting the display contrast ...........5 Charging equipment ..............6 Charging ..................6 3.4.1...
  • Page 7 Contents Page 4.3.3 Carrying rod H-4 ..............16 4.3.4 Test rod T-4 ................17 Switching on and off ..............18 Sound-protection function ............19 Preliminary location ..............19 Pin pointing ................23 Individual settings ..............25 Factory settings (reset) ............27 Brief instruction ..............28 Brief instruction on water leak detection .........28 Malfunctions ................31 Specifications ................33 Accessories ................34...

  • Page 8: General

    The terms of warranty and liability of the conditions of sale and de- livery of Hermann Sewerin GmbH are not extended by the above. z This product may only be used after the operating instructions have been read and understood.

  • Page 9: Intended Use

    1 General Intended use The A 100 is a instrument for electro-acoustic water leak detec- tion and acoustic pipeline location Note: This operating instructions describes the functions of software version 8.X. Future changes are subject to modification! General notes z In order to ensure the correct functioning of the devices, the following requirements must be complied with: −...

  • Page 10: Function Description

    2 Function description Function description Water leak detection The A 100 is used in combination with various microphones (listed in the „Accessories“ section) for the electro-acoustic detection of water-leaks. When a pressurised pipeline develops a leak, water flows through it into the surrounding soil at high speed. Consequence: The pipeline material vibrates at the exit point.

  • Page 11: Use

    3 Use Switching on and off z Plug a probe into the appropri- ate input . Probe connection: input 1 z A brief signal tone sounds. z The software version appears in the display. z The charge status of the re- chargeable batteries appears in the display.

  • Page 12: Manual Probe Selection

    3 Use z The layout of the display de- pends on the used probe. The measurement process may be started. z To switch off, unplug the probe from the input. 3.1.1 Manual probe selection If the probe is not automatically identified (if it is an old model, for example), it can be selected manually: z Hold down the microphone key.

  • Page 13: Charging Equipment

    3 Use Charging equipment When fully charged the instru- ments have a maximum ope- rating time of approx. 12 hours. To charge an instrument you need the docking station HS 1,2 A (see fig.), which can be used either in the workshop or in the emergency vehicle .

  • Page 14: Self-Discharge

    3 Use z You can leave the instrument in the docking station until you need it again. If you have a case for your A 100, it can be charged inside. z Connect cable to the docking station inside the case. z Connect the plug-in AC/DC adapter M4 or vehicle cable M4 to socket 2.

  • Page 15: Connecting The Headphones

    3 Use Connecting the headphones A 100 are fitted with a speaker (1). Such produces the confirmation and alarm signals. There is, furthermore, a specific tone for pipeline location. During water leak detection no leak noise is emitted over the speaker: headphones must be used.

  • Page 16: Water Leak Detection

    4 Water leak detection Water leak detection Displays 4.1.1 Analog display The analog display indicates the current reading. 4.1.2 Digital display The digital display indicates the smallest value measured during a single measurement. In the „MAX“ mode, the digital display always shows the great- est measured value.

  • Page 17: Speaker Symbol

    4 Water leak detection 4.1.4 Speaker symbol The speaker symbol indicates that the A 100 headphones are activated. 4.1.5 Volume display The volume display indicates the volume set. If the bar on the extreme left is shown in reverse video, the volume is low; if the bar on the extreme right is shown in reverse video, the volume is maximum.

  • Page 18: Comment Line

    4 Water leak detection 4.1.7 Comment line Various possible settings and parameters are displayed in the comment line. The filter setting is shown here, for example. 4.1.8 Basic amplification Basic amplification is useful for adapting to extreme situations. The higher the basic amplifica- tion, the louder the noise in the headphones.

  • Page 19: Gauntlet Key

    4 Water leak detection Modus „MAX“ If you hold down the micro key for 3 seconds, you can switch to „MAX“mode. This mode helps with acoustic line detection. In- stead of minimum values, only max values are shown in this mode (only with microphones with cable connection, not with radio microphones).
  • Page 20 4 Water leak detection Different leak noises can be heard best in different frequency ranges, and two people may hear the same noise differently. To optimise acoustic perception a bandpass can be set.In this case only a particular frequency range is fed to the headphones. The best setting can be found by experiment, or alternatively the A 100 can search for it au-...

  • Page 21: Cursor Keys

    4 Water leak detection Automatic search for the best frequency range The A 100 has a filter-optimisation function that automatically searches for the best frequency range. It should not be activated if there is any significant extraneous noise, and the leak noise - particularly ground-borne noise - should already be audible.

  • Page 22: Magnifying-Glass And On/Off Key

    4 Water leak detection 4.2.6 Magnifying-glass and on/off key The analog display indicates the relative noise level. The display can be adapted to pre- vailing conditions to make a change in the display from one measurement point to another easier to detect. This adapta- tion switches the analog display (instantaneous value) between scale values 10, 100 and 1000...

  • Page 23: Probe Overview

    4 Water leak detection Probe overview 4.3.1 Ground microphone BO-4 The ground microphone BO-4 is used to locate leaks beneath stabilised surfaces. 4.3.2 Ground microphone 3P-4 The ground microphone 3P-4 is used to locate leaks beneath unstabilised surfaces. An earth spike can be screwed onto it for use in soft ground.

  • Page 24: Test Rod T-4

    4 Water leak detection 4.3.4 Test rod T-4 The test rod is used for prelimi- nary leak location. The test rod is placed in contact with valves on the line under investigation.

  • Page 25: Switching On And Off

    4 Water leak detection Switching on and off z Put the microphone jack-plug into socket 1 on the A 100. z The A 100 switches on. z If the A 100 does not switch on, press the on/off key. z One of the following displays briefly appears in the display: for test rod or for ground microphone or...

  • Page 26: Sound-Protection Function

    Caution! Only Sewerin headphones should be used, as these are adjusted to the A 100. The threshold at which the sound-protection function is triggered can be adjusted: see section 4.8 „Individual adjustments“.
  • Page 27 4 Water leak detection z Activate the A 100 with the gauntlet key or the micro- phone key. A speaker symbol appears in the display during mea- surement. The analog display indicates the current measurement volume. The noise can be heard by the headphones.
  • Page 28 4 Water leak detection In water leak detection the display will be similar to that shown in the illustration above. The noise is loudest near the leak and quieter further away. On the left: the analog display indicates about 30%: this is the instantaneous noise value.
  • Page 29 4 Water leak detection Right: the current delayed-action value has fallen because the leak is further away. The last delayed-action value, “38”, provides us a further comparison. The following illustration shows how a leak noise overlaid by fluctuating extraneous noise is shown in the display.

  • Page 30: Pin Pointing

    4 Water leak detection Pin pointing Non-metallic pipe materials do not transmit structure-borne sound as well. Therefore checking at the valves is not enough. The sections between valves must also be checked with a ground microphone. Listening to the surface of the ground at short intervals enables the leak to be located without digging.
  • Page 31 4 Water leak detection The current noise can be heard through the headphones. The digital display indicates the smallest value measured. The small digital display in- dicates the previously-meas- ured value. For the first mea- surement this value is 0. The smallest measured value is shown in the analog display in reverse video.

  • Page 32: Individual Settings

    4 Water leak detection Individual settings On the A 100 various settings can be freely selected and perma- nently saved. The set-up table on the next page highlights the various possibilities. This is a list of settings that you can alter and save. First of all please switch-on the instrument.
  • Page 33 4 Water leak detection ELW - setup table Menu Description Condition Condition Condition num- The gauntlet key (item 1) is a key which does or without* with does not stay down when pressed Quit tone on pressing button sound-protection middle high function oper- threshold...

  • Page 34: Factory Settings (Reset)

    4 Water leak detection Factory settings (reset) The factory settings (e.g. filter settings) can be restored as follows. z Plug in a microphone jack- plug while holding down the light key. z „Reset“ appears in the bottom text line for about 2 seconds.

  • Page 35: Brief Instruction

    5 Brief instruction Brief instruction Brief instruction on water leak detection Preliminary location z Connect the headphones to the A 100. z Connect the test rod to the A 100. z Place test rod on the first measurement point. z Activate the A 100 with the gauntlet key or the microphone key. A speaker symbol appears in the display during measurement.
  • Page 36 5 Brief instruction z Place the test rod on the next measurement point and proceed exactly as described above. The previously measured value now appears in the small digital display for the purposes of comparison.
  • Page 37 5 Brief instruction Pin pointing z Instead of a test rod connect a ground microphone to the A 100. z Place the microphone on the ground. z Activate the A 100 with the gauntlet key or the microphone key. A speaker symbol appears in the display during measurement. The analog display indicates the current measurement volume.

  • Page 38: Malfunctions

    An F and an error code will be displayed. Error Description Error be- Remedy code haviou A 100 not recognised self-lock- Switch de- vice back on, SEWERIN service Temperature at battery to self-lock- Improve high for charging (> 45°C) device sur- roundings, SEWERIN service Temperature at battery to...
  • Page 39 Description Error be- Remedy code haviou Communication error Self-re- Switch de- with CODEC setting vice back on, SEWERIN service DSP error in boot pro- self-lock- Switch de- gram vice back on, SEWERIN service DSP error when loading self-lock- Switch de-...

  • Page 40: Specifications

    7 Specifications Specifications Fab-no. A 100 037 11 Transmission band- width (A 100): 1 – 10000 Hz Filter, adjustable: steps of 50, 500 and 1000 Hz Filter, minimum band- width: 300 Hz Power supply: built-in rechargeable accumu- lator (NiMH) integral automatic charging/buffer system Displayed battery status Operating time approx.

  • Page 41: Accessories

    8 Accessories Accessories Accessories for water leak detection Piezo-Test rod T-4, with screwed on tip. Ground microphone BO-4 With sound-proofed against extraneous noise, especially suitable for stabilised surfaces. Carrying rod H-4 For ground microphones BO-4 and 3P-4 Ground microphone 3P-4 with tripod, for both stabilised and unstabilised surfaces, with screw-on 20-cm measuring spike.

  • Page 42: Annexe

    H e r m a n n S e w e r i n G m b H h e r e b y d e c l a r e s t h a t t h e AQUAPHON A 100 fulfils the requirements of the following gu-...

  • Page 43: 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 44: Record Of Changes

    9 Annexe Record of changes Version 4.2 z Display: set to sensitivity ranges 1 – 10, 1 – 100, 1 – 1000, switch via magnifying-glass key z Factory settings: sound protection functions only active at mid- dle threshold. This threshold is active after renewed power-up. z Band filter acc. to micro type (manually adjustable to 9,950 Hz): BO-4:...

  • Page 45: Index

    10 Index Index Key functions 11 Accessories 1, 3, 34 Light key 5, 14 Analog display 9 Magnifying-glass key 11, 15, 26, 37 Basic amplification 11, 15, 26 Manual probe selection 5 Battery symbol 10 MAX 9, 12 Brief instruction 28 Microphone key 5, 11 Carrying rod H-4 16 On/off key 15, 18, 25...
  • Page 46 10 Index Volume 14, 20 Volume display 10 Water-leak detection 2, 3, 8, 9...
  • Page 47 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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