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Related Manuals for sewerin AQUAPHON A 50
Summary of Contents for sewerin AQUAPHON A 50
- Page 1 AQUAPHON ® A 50 receiver Operating instructions...
- Page 2 A 50 receiver Display Arrow keys ● Up key Filter key ● Down key Menu key Activation key Enter key Belt clip Headphone socket Charging socket Microphone socket Connectors A 50 receiver viewed from various angles Fig. 1:...
- Page 3 A 50 receiver Battery symbol for receiver Current noise level (bar) Current minimum noise level (marker) Current minimum noise level Minimum noise level ● last ● last but one Filter level Battery symbol for wireless head- phones Hearing protection level Volume Fig.
- Page 4 Information about this document Warnings and notes in this document mean the following: WARNING! Risk of personal injury. Could result in serious injury or death. CAUTION! Risk of personal injury. Could result in injury or pose a risk to health. NOTICE! Risk of damage to property.
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Page 5: Table Of Contents
Introduction ................1 Warranty ..................1 Purpose ..................2 Intended use ................2 General safety information ............3 AQUAPHON system ..............4 General information regarding the system ........4 Hearing protection ..............4 System components ..............5 2.3.1 Overview ................5 2.3.2 A 50 receiver ................6 2.3.2.1 Setup ...................6 2.3.2.2 Carrying options ..............7 2.3.2.3 Activation key operating modes ..........8... - Page 6 Maintenance and error management ........27 Charging the batteries .............27 Care ..................28 Maintenance ................28 Solving problems ..............29 5.4.1 Error message ..............29 5.4.2 Handling defective lithium-ion batteries .......29 5.4.2.1 Identifying a defective battery ...........30 5.4.2.2 Removing the battery from the A 50 receiver ....30 Appendix ................32 Technical data .................32 6.1.1...
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Page 7: Introduction
● Changes or modifications to this product may only be carried out with the approval of Hermann Sewerin GmbH. ● Use only Hermann Sewerin GmbH accessories for the product. Hermann Sewerin GmbH shall not be liable for damages result- ing from the non-observance of this information. The warranty conditions of the General Terms and Conditions (AGB) of Her- mann Sewerin GmbH are not broadened by this information. -
Page 8: Purpose
Purpose The AQUAPHON system with A 50 receiver is intended for elec- tro-acoustic water leak detection. The system can be used both outdoors and inside buildings. The following uses are possible: ● Preliminary detection − at fittings (e.g. hydrants, slide gates) ● Pinpointing leaks − on paved surfaces (e.g. asphalt, concrete, paving) −... -
Page 9: General Safety Information
General safety information This product was manufactured in accordance with all binding legal and safety regulations. It corresponds to the state of the art and complies with conformity requirements. The product is safe to operate when used in accordance with the instructions provided. -
Page 10: Aquaphon System
AQUAPHON system General information regarding the system In order to use the system for leak detection, a microphone must be connected to the A 50 receiver. The microphone picks up noises. If you press the Activation key on the receiver, you can hear the noises through the headphones. -
Page 11: System Components
The system components can be carried and stored in a bag or rucksack if required. Additional accessories can be added to the system at any time. Note: Detailed information about the headphones can be found in the associated operating instructions. Sewerin Digital Radio 2 AQUAPHON system │ 5... -
Page 12: A 50 Receiver
2.3.2 A 50 receiver 2.3.2.1 Setup For overviews including all part names for the receiver, see the front cover flap (fig. 1). Keys The receiver has the following keys: ● Activation key For starting and ending a measurement (listening to noises). ● Arrow keys For adjusting the volume. -
Page 13: Carrying Options
Connections The receiver has the following connections: ● Charging socket For charging the rechargeable battery. The following can be connected: – M4 AC/DC adapter – M4 vehicle cable ● Microphone socket For connecting a microphone. The following can be connected: –... -
Page 14: Activation Key Operating Modes
2.3.2.3 Activation key operating modes There is a choice of two operating modes for the Activation key. ● Hold mode The Activation key is held down for the desired duration of the measurement. ● Toggle mode The Activation key is pressed briefly to start the measurement. The Activation key is pressed briefly again to end the meas- urement. The operating mode is selected in the settings. 2.3.2.4 Noise level display The following noise levels are shown simultaneously on the dis- play in the main view (fig. 3):... - Page 15 Fig. 3: Graphical and numerical noise level display Top: current noise level (bar) and current minimum noise level (marker in bar) Middle: current minimum noise level (here: 398) Right: [1] last minimum noise level (here: 277) and [2] last but one minimum noise level (here: 53) Current noise level The current noise level is always displayed as soon as the sys- tem is ready for use.
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Page 16: Power Supply
2.3.2.5 Power supply The A 50 receiver is powered by a special, permanently installed lithium-ion rechargeable battery. Only SEWERIN service personnel or other authorised specialists may replace the lithium-ion rechargeable battery. However, in the event of a fault the lithium-ion rechargeable bat- tery must be removed before shipping the device. - Page 17 UM 50 universal microphone Fig. 4: UM 50 universal microphone with microphone protector Suitable accessories: ● Probe tip, usually with extensions ● M 10 tripod ● M 10 contact adapter CAUTION! The contact adapter for the UM 50 universal microphone contains a strong magnet.
- Page 18 TS 50 test rod Fig. 5: TS 50 test rod Suitable accessories: ● Probe tip, optionally with extensions ● RP 10 resonance plate, optionally with M 10 tripod Safety information about handling the TS 50 ● Handle the test rod carefully and safely both during transport and when working.
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Page 19: Using The System
6.2 on page 36. ● Screw the appropriate accessory to the microphone. SEWERIN recommends protecting the UM 50 universal micro- phone from external damage. Before using the microphone for the first time, put on the protective cover supplied. -
Page 20: System With K3 Headphones
Fig. 6: System with F8 wireless headphones ready for use (battery sym- bol for wireless headphones visible) If the battery symbol for the wireless headphones does not appear ... ● Check that the wireless headphones are switched on. Is the green LED on? ●... -
Page 21: Switching Off The System
Fig. 7: System with K3 headphones ready for use Switching off the system The system is switched off as follows: ● Disconnect the microphone from the receiver by pulling the microphone jack out of the microphone socket on the receiver. The receiver switches off. Starting and ending a measurement (listening to noises) To listen to noises you must start a measurement. -
Page 22: Adjusting The Volume
Information about adjusting the volume can be found in sec- tion 3.5 on page 16. Detailed information about the hearing protection threshold can be found in section 4.6 on page 24. Fig. 8: Headphones symbol when the system is ready for use Left-hand figure: Symbol crossed out, i.e. no measurement in progress or hearing protection threshold ex - ceeded during a measurement... -
Page 23: Adjusting The Filters
The main view is open. ● Press the Down key to lower the volume. ● Press the Up key to increase the volume. Adjusting the filters Interference frequencies are filtered out by the filters. The following filters can be adjusted: ● Bandpass The bandpass filter limits can be set to filter out interference frequencies in the upper or lower frequency range. Any change to the filter limits can be heard immediately through the head- phones. - Page 24 The main view is open. 1. Press the Filter key. The Filter view appears. 2. Change the settings. a) Keep pressing the Enter key until the symbol in front of the filter you wish to change is inverted. b) For the filter limits: − Press the Up key to increase the value. −...
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Page 25: Settings
Settings Overview The receiver operating mode, the type of hearing protection and the hearing protection threshold can be configured individually. The individual settings are saved until the next change. The fac- tory settings can be restored at any time. The settings are changed in the Settings view. Fig. -
Page 26: Backlight (Light)
Backlight (LIGHT) The receiver display features a backlight. Backlight activated Backlight deactivated Changing the LIGHT setting The system is ready for use. The display shows the main view. 1. Press the Menu key. The Settings view appears. 2. Keep pressing the Enter key until LIGHT is inverted. 3. -
Page 27: Operating Mode (Activation)
Operating mode (ACTIVATION) There is a choice of two operating modes for the Activation key. Hold mode Toggle mode Information about the operating modes can be found in sec- tion 2.3.2.3 on page 8. Changing the ACTIVATION setting The system is ready for use. The display shows the main view. 1. -
Page 28: Display Rotation (Display)
Display rotation (DISPLAY) If the receiver is rotated through 180° about its longitudinal axis, the display follows the movement. Display rotation activated Display rotation deactivated Changing the DISPLAY setting The system is ready for use. The display shows the main view. 1. -
Page 29: Hearing Protection (Mute)
Hearing protection (MUTE) The hearing protection function determines whether noises can be listened to through the headphones above the hearing pro- tection threshold. Listen to muted noise Do not listen to noise Changing the MUTE settings The system is ready for use. The display shows the main view. 1. -
Page 30: Hearing Protection Threshold (Protect)
Hearing protection threshold (PROTECT) The hearing protection threshold is the volume limit above which hearing protection is activated. Hearing protection threshold (here: level 4) The hearing protection threshold can be set to four levels. Level Display Hearing protection Protective ef- threshold fect very high... - Page 31 − Press the Down key to select a lower hearing protection threshold. − Press the Up key to select a higher hearing protection threshold. SEWERIN recommends pressing the Activation key to hear the effect of the change on the noise playback. 4. Press the Menu key to apply the settings. The receiver returns to the main view.
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Page 32: Factory Settings (Reset)
Factory settings (RESET) This function restores all individual settings to the factory set- tings. Factory settings are the settings with which the receiver was supplied to the customer. Restore settings to factory settings An overview of the factory settings can be found in section 6.3.2 on page 38. -
Page 33: Maintenance And Error Management
Maintenance and error management Charging the batteries The batteries of the following components must be recharged when there are no more segments visible in the corresponding battery symbols: ● A 50 receiver (lithium-ion rechargeable battery) ● F8 wireless headphones (NiMH rechargeable battery) They can also be charged sooner, however, i.e. -
Page 34: Care
(e.g. acidic or abrasive constituents) to clean the display sur- face. SEWERIN recommends removing significant contamination im- mediately. Maintenance SEWERIN recommends having the system serviced regularly by SEWERIN Service or an authorised professional. Only regular maintenance can ensure that the system is always ready for use. 28 │ 5 Maintenance and error management... -
Page 35: Solving Problems
5.4.1 Error message If a fault occurs on the receiver, an error message is displayed (fig. 12). The error can only be rectified by SEWERIN Service. ● Send the receiver to SEWERIN Service for repair. Fig. 12: Error message 5.4.2 Handling defective lithium-ion batteries Lithium-ion batteries are always classed as dangerous goods for transport purposes. -
Page 36: Identifying A Defective Battery
● The lithium-ion battery may only be removed if you have legit- imate grounds to suspect that the battery may be defective. ● Only SEWERIN Service personnel or other authorised special- ists may replace the rechargeable battery. 5.4.2.1 Identifying a defective battery... - Page 37 The top section and the bottom section of the housing are connected by means of the cable from the battery to the cir- cuit board. 3. Disconnect the defective battery from the power supply by unplugging the white connector on the circuit board. Do not under any circumstances rip out the cable.
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Page 38: Appendix
Dimensions (W × D × H) 115 × 65 × 114 mm Weight 0.4 kg Material Polycarbonate (housing) Product variants – with SDR (Sewerin Digital Radio) – without SDR Certificate Certificate with SDR: FCC, CE, IC, MIC without SDR: FCC, CE... - Page 39 Power supply Power supply lithium ion battery (rechargeable) [1357-0002], built-in Operating time, typical > 20 h Battery power 24 Wh Charging time < 6 h Charging temperature -0 °C – +40 °C Charging voltage 12 V Charging current 0.6 A Charger M4 AC/DC adapter Measurement...
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Page 40: Ts 50 Test Rod
6.1.2 TS 50 test rod Device data Dimensions (H × Ø) 690 × 32 mm Weight 1.1 kg Material Stainless steel, aluminium, plastic Device elements Interface Phone jack 6.3 mm, straight Operating conditions Operating temperature -20 °C – +70 °C Storage temperature -20 °C –... -
Page 41: Um 50 Universal Microphone
6.1.3 UM 50 universal microphone Device data Dimensions (H × Ø) 90 × 29 mm (excluding cable) Weight 330 g Material Stainless steel Device elements Interface Phone jack 6.3 mm, straight Operating conditions Operating temperature -20 °C – +70 °C Storage temperature -20 °C –... -
Page 42: Microphone Configuration Options
Microphone configuration options Contact point Configuration Preliminary Fitting detection UM 50 Probe tip optional: extensions TS 50 Probe tip optional: extensions Magnetic UM 50 M 10 contact adapter Pinpointing Paved leaks TS 50 RP 10 Paved Unpaved UM 50 M 10 tripod TS 50 RP 10 M 10 tripod... -
Page 43: A 50 Receiver
A 50 receiver 6.3.1 Adjustable filters 6.3.1.1 Bandpass The bandpass filter limits can be set as follows: lower filter limit upper filter limit 0 Hz 500 Hz 30 Hz 850 Hz 60 Hz 2000 Hz 120 Hz 3000 Hz 250 Hz 4000 Hz 500 Hz 5000 Hz 8000 Hz If 500 Hz is selected for the upper filter limit, the lower filter limit cannot be set greater than 120 Hz. -
Page 44: Factory Settings
6.3.2 Factory settings The receiver is delivered with the following default settings: Backlight activated Hold mode Display rotation activated Do not listen to noise Hearing protection threshold: Level 4 Bandpass lower filter limit upper filter limit 0 Hz 4000 Hz Notch filter Symbol Notch filter... -
Page 45: Accessories
LD10-10001 Vehicle cable M4, 12 V= portable ZL07-10100 Vehicle cable M4, 12 V= installed ZL07-10000 EA bag ZD56-10000 EA rucksack ZD56-20000 Other accessories are available for the system. Please contact our SEWERIN sales department for further information. 6 Appendix │ 39... -
Page 46: Declarations Of Conformity
Declarations of conformity Hermann Sewerin GmbH hereby declares that the A 50 receiver, variant without SDR radio module, fulfils the requirements of the following Directive: ● 2014/30/EU Hermann Sewerin GmbH hereby declares that the A 50 receiv- er, variant with SDR radio module, fulfils the requirements of the following Directive: ● 2014/53/EU The complete declarations of conformity can be found online. -
Page 47: Index
Index A 50 receiver 6 LIGHT 20 carrying options 7 Listening to noises 15 charging the batteries 27 Lithium-ion rechargeable battery connections 7 identifying a defect 30 connectors 7 removal 30 keys 6 transport regulations 29 power supply 10 switching on 13 ACTIVATION 21 Maintenance 28 Activation key 6... - Page 48 Setting backlight 20 display rotation 22 factory settings 26 hearing protection 23 hearing protection threshold 24 operating mode 21 System components (overview) 5 preparing 13 switching off 15 switching on 13 with F8 wireless headphones 13 with K3 headphones 14 Toggle mode 8 TS 50 test rod 12 UM 50 universal microphone 11 UM 50 wind shield 11...
- Page 49 Hermann Sewerin GmbH Robert-Bosch-Straße 3 33334 Gütersloh, Germany Tel.: +49 5241 934-0 Fax: +49 5241 934-444 www.sewerin.com info@sewerin.com SEWERIN SARL Sewerin Ltd 17, rue Ampère – BP 211 Hertfordshire 67727 Hoerdt Cedex, France Tél. : +33 3 88 68 15 15...
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