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Nivus NivuFlow Mobile 600 Instruction Manual Download Page 113

Diagnostics

page 113

rev. 00 / 04.09.2017

38  Diagnostic Menu Signal Analysis

This menu is used to scan and to review the incoming signal from the sensor. Moreover the 

sensor function can be tested here.

Fig. 38-1 

Signal Analysis menu

Select from the options below:

•  >Inactive< 

No signal scan/evaluation

•  >Search Scan< 

(Coarse) signal scan based on customer settings and possibly extended ranges.
>Direction< (Fig. 38-2):

 

ƒ

Upstream (towards flow direction) 

 

ƒ

Downstream (in flow direction)

 

ƒ

Up-/Downstream

>Scaling< of chart:

 

ƒ

Time

 

ƒ

Distance

Summary of Contents for NivuFlow Mobile 600

Page 1: ...GmbH Im Taele 2 D 75031 Eppingen Internet www nivus com Phone 49 0 72629191 0 Fax 49 0 72629191 999 E Mail info nivus com Flow Measurement Transmitter NivuFlow Mobile 600 Instruction Manual Firmware...

Page 2: ...w nivus fr NIVUS Ltd United Kingdom Wedgewood Rugby Road Weston under Wetherley Royal Leamington Spa CV33 9BW Warwickshire Phone 44 0 8445 3328 83 nivusUK nivus co www nivus com NIVUS Middle East FZE...

Page 3: ...pean Economic Area EEA this instruction manual must be translated into the language of the country in which the device is to be used Should the translated text be unclear the original instruction manu...

Page 4: ...ents 12 2 1 Power Supply 12 2 1 1 Transmitter 12 2 1 2 Rechargeable Batteries 12 2 2 NivuFlow Operating Elements 13 2 3 Interfaces 13 SAFETY INSTRUCTIONS 14 3 In general Used symbols and signal words...

Page 5: ...ption inspection 21 11 4 Storage 22 11 5 Transport 22 11 6 Return 22 11 7 Installation of spare parts and parts subject to wear and tear 23 FUNCTIONAL DESCRIPTION 24 12 Operating Ranges 24 13 Function...

Page 6: ...Sensors 33 16 1 Sensor Installation Basics 33 16 2 Installation of Clamp On Sensors 33 16 3 Installation of wet Sensors 35 17 Sensor Connection 36 17 1 Cable for Sensor Connection 36 17 2 Sensor Conn...

Page 7: ...ER SETTING 61 25 General Programming 61 25 1 Save Parameters 61 25 2 Change WLAN Password 62 25 3 Change Instrument SSID 62 25 4 Lost Password 62 25 5 Automatic Data Transmission to USB Stick 63 26 Pa...

Page 8: ...9 Sludge Level 76 28 1 10 Low Flow Suppression 76 28 1 11 Damping 77 28 1 12 Stability 77 28 2 Menu v Paths 78 28 2 1 Sensor Types in Clamp On Transit Time Mode 78 28 2 2 Sensor Types in Wet Transit...

Page 9: ...0 4 Error Messages 98 30 5 Service 99 30 5 1 Service Level 99 30 5 2 Restart 99 30 5 3 Powerdown 99 30 5 4 Parameter Reset 100 30 5 5 System Reset 100 30 6 Storage Mode 101 31 Parameter Menu Communica...

Page 10: ...stic Inputs Outputs 110 37 1 Important Information on the Simulation 110 38 Diagnostic Menu Signal Analysis 113 39 Simulation 118 MAINTENANCE AND CLEANING 119 40 Maintenance 119 40 1 Maintenance Inter...

Page 11: ...port The manufacturer cannot be held responsible for damage to persons or material due to incorrectly understood information in this instruction In case of selling the instrument this instruction manu...

Page 12: ...smitter 5 USB A interface Fig 2 1 Power supply by battery packs top view 2 1 2 Rechargeable Batteries The rechargeable batteries can be charged either in installed condition or while removed by using...

Page 13: ...tebook and PC Use here the PC mouse or the touchscreen Also refer to the instruction manuals of your preferred smartphone tablet notebook or PC 2 3 Interfaces The transmitter is equipped with various...

Page 14: ...of risk Indicates a possible danger with medium risk which may result in a life threatening situation or severe bodily injury if it is not avoided CAUTION Warnings in low risk or property damages Ind...

Page 15: ...eated for each description within the document WARNING Germ contamination Please note that due to the operation in the waste water field the measurement system and cables may be loaded with dangerous...

Page 16: ...he safety The manufacturer is not responsible for failures resulting from improper use 6 Use in accordance with the requirements Note The instrument is intended solely for the purpose described below...

Page 17: ...Connections Operators shall make sure prior to operating the instrument that during installation and initial start up the local regulations such as regulations for electrical connection are observed...

Page 18: ...h 5 Multifunction socket I O 6 Sensor socket v1 7 Fastening holes for rubber buffers or hoop guards 8 Handle 9 Left battery pack receptacle 10 Right battery pack receptacle position to charge the batt...

Page 19: ...structions contained within this manual are valid only for the type of device specified on the title page The name plate is fixed on the side of the enclosure and contains the following Name and addre...

Page 20: ...rmance synthetic resin Weight approx 2 2 kg without batteries and hoop guards Protection IP68 closed IP67 open Operating temperature 20 C 50 C Storage temperature 20 C 70 C Max humidity 90 non condens...

Page 21: ...reight to NIVUS e g for maintenance Instruction manual incl certificate s of conformity containing any relevant informa tion on how to operate the NivuFlow Check extra accessories depending on your or...

Page 22: ...es are essential since they provide the threads to fasten the hoop guards and additionally stabilise the guards on the NFM because the buffers are designed as impact protection for NFM connections and...

Page 23: ...VUS too Installation and or the use of such products hence may negatively influence predetermined constructional characteristics of the measurement system or even lead to instrument failures NIVUS can...

Page 24: ...An overview on connectable sensors can be found in chapter 9 2 Connectable Sensors Using multiple sensor pairs in a common measurement place will increase the accuracy of flow velocity detection Note...

Page 25: ...nsmitter and receiver are measured The upstream impulse requires a certain amount of time t1 The downstream impulse requires s shorter amount of time t2 Sound heading downstream will reach the receive...

Page 26: ...more paths are used to cover the wetted cross section the higher the accuracy of the flow measurement 1 Sensor 1 path 1 2 Sensor 2 path 1 3 Sensor 1 path 2 4 Sensor 2 path 2 D Pipe diameter at sensor...

Page 27: ...e A given average average flow velocity A cross sectional flow area It is required to involve a velocity coefficient k to compensate the difference between the measured velocity g and the average velo...

Page 28: ...be suspended into shafts or manholes only by using the carrying handle and appropriate belts ropes or similar It is not allowed to suspend the device by the sensor cable since this may lead to cable...

Page 29: ...a the multifunction socket disconnect from mains Working on the electric connections may induce the risk of electric shocks Observe electric specifications as specified on the nameplate Disregarding m...

Page 30: ...ocket screws Installation of spare parts parts subject to wear and tear The use of spare parts parts subject to wear and tear such as rechargeable batteries not approved by NIVUS will invalidate the g...

Page 31: ...ess Green Trickle charging LED not lit Reversed polarity short circuit or no mains power Charging the inserted battery pack F F See chapter 15 1 3 Operation Charging with direct connection to mains po...

Page 32: ...rve environmentally compatible disposal of rechargeable batteries Worn batteries can be either returned to the manufacturer or can be taken to respective collecting points 15 1 3 Operation Charging wi...

Page 33: ...th sensors have the same cable length Moreover the sensors within a path can be identified by the serial number 16 1 Sensor Installation Basics The sensor installation at the measurement place extreme...

Page 34: ...ting data can be viewed on the display and operation module smartphone tablet notebook etc Fig 16 1 Output of mounting data The path arrangements below are usual for clamp on flow metering Diametrical...

Page 35: ...meas urement paths are always directed through the pipe centre diametrical The sensors or the nozzles required to insert the sensors can be pre installed following the specifications To do so the num...

Page 36: ...pipe sensors are used the installation angle shall be 45 Fig 16 6 Sensor distance diameter principle 17 Sensor Connection 17 1 Cable for Sensor Connection The sensors are equipped with a permanently a...

Page 37: ...F F For article numbers see chapter 43 Accessories starting at page 121 F F For more than one external connection see chapter 19 Connecting the Connector Box for Inputs Outputs 19 Connecting the Conn...

Page 38: ...channels Fig 19 1 pos 4 are already required for the next step 2 Fasten the hoop guards Fig 19 1 pos 2 on the NivuFlow Mobile by using the accompanying screws 3 Fasten the Connector Box Fig 19 1 pos 6...

Page 39: ...2 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 1 8 7 V DC 2 GND 3 RxTx 4 RxTx 5 Shield 6 AE1 7 AE1 8 AE2 9 AE2 10 AE3 11 AA 12 GND AE3 AA 13 DE 3 3 V 14 GND 15 12 14 V 16 Root contact COM 17 Normally...

Page 40: ...checked Follow the hints in the instruction manual to eliminate the risk of faulty or incorrect parameter settings Get familiar with the transmitter operation before you begin to set the parameters A...

Page 41: ...s the battery pack is inserted now or when voltage is fed and the connection is set up within the follow ing five minutes 2 Waking up NivuFlow Mobile hold the accompanying magnet solenoid Fig 21 1 pos...

Page 42: ...om the list of available WLANs select the NFM Fig 21 4 pos 1 with the accord ing SSID default state serial no Fig 21 4 WLAN List 5 Enter the password for server access default state PUK Fig 21 5 pos 1...

Page 43: ...w Mobile display Fig 21 6 is indicated as soon as the connection has been established success fully Fig 21 6 NFM display in browser 8 To set a link on your Home screen for direct access use the Tabs a...

Page 44: ...s This link can be used for each further NivuFlow Mobile transmitter after it has been selected from the WLAN list Fig 21 9 Link in the start screen example After five minutes of inactivity on the dis...

Page 45: ...following step Wake Up can be skipped as soon as the battery pack is inserted now or when voltage is fed and the connection is set up within the follow ing five minutes 2 Waking up NivuFlow Mobile hol...

Page 46: ...bol 3 Select WLAN Fig 21 13 pos 1 Fig 21 13 WLAN symbol 4 From the list of available WLANs select the NFM Fig 21 14 pos 1 with the according SSID default state serial no Fig 21 14 WLAN list 5 Enter th...

Page 47: ...o the IP address field and open The NivuFlow Mobile display Fig 21 16 is indicated as soon as the connection has been established success fully Fig 21 16 NFM display in browser 8 Use the symbol Provid...

Page 48: ...with Return Fig 21 19 pos 1 Fig 21 19 Confirm adding The link Fig 21 20 pos 1 is indicated on the tart screen and can be used for instant access without the need to specify the IP address This link ca...

Page 49: ...er five minutes of inactivity on the display and operation module the message Session Timeout Fig 21 21 is shown Access can be restored instantly by selecting the symbol within one minute Longer perio...

Page 50: ...battery pack is inserted now or when voltage is fed and the connection is set up within the follow ing five minutes 2 Waking up NivuFlow Mobile hold the accompanying magnet solenoid Fig 21 22 pos 2 t...

Page 51: ...example here fd671a105c5d Fig 21 24 pos 1 and connect Fig 21 24 Enter security key and connect example 5 Start the Internet browser Fig 21 25 Address field example 6 Type 192 168 1 1 into the IP addr...

Page 52: ...s example The bookmark is shown in the bookmarks list Fig 21 28 pos 1 and can be used for instant access without the need to specify the IP address This link can be used for each further NivuFlow Mobi...

Page 53: ...overview on where you currently are within the menu structure and which entries you are about to modify 1 Menu Back depending on display view 2 Display area 1 output field 1 3 Display area 2 output f...

Page 54: ...rs and scrolling back in the menu pages the paths must be rearranged and the modified parameters must be saved for the modifications to take effect Once saved the status message Successful Fig 22 2 is...

Page 55: ...and average flow velocity Indication of 24 hour day totals as tables Saving of data Saving and loading of parameters System Basic information serial no version article no etc on the trans mitter requ...

Page 56: ...lamp on sensors After the measurement place parameters have been set the sensor position data can be directly viewed on the display of the operation module Observe the instructions on how to prepare t...

Page 57: ...r menu opens up which can be used to specify e g the speed of sound within the medium Tipp Various speeds of sound can be found in the Internet or contact the manufacturer 7 Use the selection menu to...

Page 58: ...arameters 10 Select the wall material from the menu stainless steel More specifications are not required the following parameters lining sludge level remain to default state Once a relevant parameter...

Page 59: ...set to default Once entered all required measurement place Parameters need to be saved 1 Use Back to exit the menus until Save Parameters is shown on the display 2 Confirm YES The message Successful...

Page 60: ...and confirm the path modification arrangement with Yes 6 Menu v Paths choose sensor and specify the mounting angle Here you can read the Distance along and the Path Length values required to install t...

Page 61: ...by simply reloading the required data from the stick to the transmitter For more details see chapter 29 3 Data Memory starting at page 91 25 1 Save Parameters Once all necessary measurement place par...

Page 62: ...need to note down the password always keep it in a safe place 25 3 Change Instrument SSID The SSID is set to the serial number of the instrument per default The serial number can be found on the namep...

Page 63: ...efit the battery compartment cover using the hexagon socket screws and close the cover 25 5 Automatic Data Transmission to USB Stick In standard situations data stored in the NivuFlow Mobile are trans...

Page 64: ...27 2 1 Menu Appli cation and 25 General Programming Procedure 1 Open main menu 2 Select Quick Start menu The query Create new Measurement Place appears Fig 26 1 Quick Start with query 3 Choosing No o...

Page 65: ...required units and the storage mode operating mode and storage cycle Fig 26 3 Country Settings menu 5 Use the arrow keys to go to the next page Measure Place 6 Set the measurement place parameters spe...

Page 66: ...Path 1 No will not save anything and takes you to the next page v Path 1 Choosing Abort remains the current page Measure Place open enabling to continue the setting of parameters here Page v Path 1 in...

Page 67: ...en icons containing the functions described in the following chapters Fig 27 1 Overview Main Menu 27 2 Functions of the first Menu Level 27 2 1 Menu Application Fig 27 2 Menu Application This is one o...

Page 68: ...nstant fixed sludge levels Low flow suppression Damping and signal evaluation and signal output Stability of signal evaluation and signal output 27 2 2 Menu Data Fig 27 3 Menu Data The data menu conta...

Page 69: ...ransmitter Firmware version Article number Serial number Information on battery voltage and credits licenses The following settings can be adjusted additionally Language Units Date and time correction...

Page 70: ...00 04 09 2017 27 2 4 Menu Communication Fig 27 5 Menu Communication This menu includes settings required for communication with other systems WLAN 27 2 5 Menu Display Fig 27 6 Menu Display This menu...

Page 71: ...nu works reliably only as long as completely charged batteries are used and the type and number of the batteries used are specified here 27 2 7 Menu Quick Start Fig 27 8 Menu Quick Start 1 3 4 This me...

Page 72: ...sure Place and v Paths vary depending on the transit time mode Due to this both submenus will be described separately 28 1 Menu Measure Place The Measure Place submenu is one of the most relevant basi...

Page 73: ...d from the outside Wet installed sensors with direct medium contact The appearance of the following menus will vary depending on your choice In such a case both versions are described in the according...

Page 74: ...um properties such as speed of sound start particle entrainment damping and density when setting parameters Fig 28 3 Selecting the measurement medium Selecting the measurement medium Choose User defin...

Page 75: ...e units Entering the channel dimensions For pipes it is sufficient to enter two values to specify the pipe dimensions Pipe circumference or inside outside diameter Wall thickness Entering inside diame...

Page 76: ...within the lining material 28 1 9 Sludge Level Depending on measurement medium and flow velocity horizontal pipelines may tend to sedi mentation on the pipe bottom The Sludge Level parameter permits...

Page 77: ...dividual values and to damp single values in different ways Taking the specified period all readings are saved and a floating average is created for each individual average value This average is used...

Page 78: ...indicated sensors and values however may vary depending on the application 28 2 1 Sensor Types in Clamp On Transit Time Mode The same selection of sensors Fig 28 5 is available for both v paths Select...

Page 79: ...the Mounting Angle In horizontal pipelines do not use pipe bottom or pipe crown as mounting places risk of soiling air bubbles NIVUS recommends a mounting angle of 45 Set the angle in which the senso...

Page 80: ...ace e g to calibrate a measurement place Upon request NIVUS provides technical support 3 Repeat the previous steps for path 2 in line with path 1 28 2 4 v Minimum and v Maximum The v Minimum and v Max...

Page 81: ...s digital inputs and outputs Other parameters such as measurement and output spans offsets limit values error reactions etc can be set here as well Open the Inputs Outputs Menu from Main Menu Applicat...

Page 82: ...the transmitter can be used as an extra data logger for measurement values from external systems or for supply of analog sensors This however does not influence the instrument s capabilities as flow...

Page 83: ...nual input Value at 10 V manual input Value at error 0 V or Hold value or 10 V Flow Velocity The calculated average flow velocity calculated even from two or three sensors used to compute the current...

Page 84: ...ity sensor and to output the according measurement value Selection Input Options v Path Path 1 or Path 2 depending on the number of connected paths Output range 0 5 V or 0 10 V Value at 0 V manual inp...

Page 85: ...following different functions can be assigned to the digital output Fig 28 11 Digital output activation Sum Impulses Output of flow proportional sum impulses Selection Input Options Logic Normally op...

Page 86: ...input Value at error Off or On or Hold Value Limit Contact External Reading Exceeding the Threshold on value will output a digital signal falling below Thresh old off will reset the digital signal hy...

Page 87: ...recorder function Choosing the trend graph provides access to current and previously saved historic measurement data 1 Date Time selection 2 Indication period 3 Automatic scaling max range 4 Display...

Page 88: ...cular point in time select the desired period from the Date time selection screen Fig 29 2 pos 1 Here the selection mask below opens up Fig 29 3 The readings are indicated depending on the period set...

Page 89: ...the NivuFlow Mobile is shut down between two totalising events 24 hours the transmitter creates a total using measured values Such totals are not equal to the actual day total but reflect the total me...

Page 90: ...0 00 o clock and 24 00 o clock This means that day totals are always created between 00 00 o clock and 24 00 o clock The default totalising time is at 00 00 o clock The totalising time can be modified...

Page 91: ...r either portions of your data or all saved readings to an USB stick USB Stick Requirements Supports USB 2 0 FAT 32 or FAT 12 or FAT 16 formatted Max permissible capacity 32 GB Fig 29 8 Specify Start...

Page 92: ...ues of enabled analog and digital inputs Average flow velocities of v Paths 1 and 2 if used Expert This option should be used only by trained service personnel or the manufactur er s developers Such d...

Page 93: ...ted and saved XXXX_DOC_AABBCCDDEE pdf This file is for documentation purposes and contains basic settings as well as parameter changes XXXX_PAR_AABBCCDDEE xml This file contains the entire transmitter...

Page 94: ...rticle No MAC address Firmware version of the transmitter Data on boot loader and WLAN version Date of the latest software update firmware and the last storage of the parameter sets Current battery ch...

Page 95: ...Operation Language All listed languages Fig 30 2 either contain wordings in the according language or alterna tively in English 30 2 2 Date Format The date formats below can be set DD MM YYYY Day Mont...

Page 96: ...c Units for Display Representation Flow Flow Velocity Level Total 30 2 4 Units Memory The Units Memory settings are in line with the Units settings In Units Memory the measurement values are converted...

Page 97: ...he transmitter system time unchanged and to define your time zone as well as summer and winter times by using the Time Zone UTC function Modifications in the Time Date menu may be necessary to switch...

Page 98: ...ncrease by 1 hour each 30 4 Error Messages Use this menu to recall the currently active queued error messages and to erase the error message memory The content of the error memory will be instantly er...

Page 99: ...settings as well as the information available here require comprehensive expert knowledge and are not needed for standard applications This is why the service level is reserved for NIVUS service pers...

Page 100: ...exit the service menu back to main menu and confirm the storage process At this point you can still abort the reset Fig 30 7 Resetting parameters to factory default settings 30 5 5 System Reset A syst...

Page 101: ...itter goes back to sleep mode until the next measurement Event Mode On one hand the transmitter behaves like being in cyclic operation however it is pos sible to additionally set an event interval The...

Page 102: ...31 Parameter Menu Communication This menu is used to set up communication with the display and operation module smart phone tablet notebook etc or other devices The transmitter communicates via WLAN F...

Page 103: ...Note The ASSIGNMENT of values and fields CANNOT be changed Example the Flow field will ALWAYS indicate output values even if the name should be changed to Temperature Procedure to change the name 1 Dr...

Page 104: ...tteries Correct Indication of Battery Capacity The capacity indication in the System Information menu is reliable only as long as fully charged batteries are used and the battery type used as well as...

Page 105: ...ath 1 and v Path 2 are read only pages and provide information on the sensor instal lation positions and the signal strength F F The parameter setting procedure is described in chapter 26 Parameter Se...

Page 106: ...nt Place Use the Measure Place menu to adjust the parameters below Name of Measurement Place Transit Time Mode Arrangement and Number of Paths Medium and Medium Temperature Channel Profile and Dimensi...

Page 107: ...1 Under v Path 1 and v Path 2 the parameters below are indicated Distance along Path Length Signal Strength The values shown in Distance along and Path Length can be used for sensor installation The S...

Page 108: ...enu can be found in the Application menu and is split into four sub menus This menu and all its submenus are read only and simulation menus This section permits to view or to simulate settings on the...

Page 109: ...ransit t Mean signal runtime between sensor 1 and sensor 2 of the according path in micro seconds Transmission Power Angle Alignment Selecting this option indicates a graph Fig 36 1 showing the sensor...

Page 110: ...imulation shall be executed by trained electricians only who shall have sound knowledge on the entire control procedures of the according facility Prepare the simulation process carefully Switch the f...

Page 111: ...og inputs Fig 37 2 Analog Outputs Analog Outputs Indicates the available voltage values and the detected medium temperature By checking the Simulation box it is possible to simulate a voltage Fig 37 2...

Page 112: ...tate of the real relay cannot be indicated but only the signal transmitted to the relay This menu cannot be used to obtain information on external faulty wiring Fig 37 3 Digital Output A Simulation of...

Page 113: ...reover the sensor function can be tested here Fig 38 1 Signal Analysis menu Select from the options below Inactive No signal scan evaluation Search Scan Coarse signal scan based on customer settings a...

Page 114: ...Signal Scan More accurate signal indication Direction Upstream towards flow direction Downstream in flow direction Up Downstream Scaling of chart Fig 38 3 Time Distance The Scaling is not available on...

Page 115: ...nvelope Detection of the real start of the incoming signal due to double reflection of the signal Direction Fig 38 4 Upstream towards flow direction Downstream in flow direction Up Downstream Scaling...

Page 116: ...8 5 Correlation Tx Transmitter Signal Visual representation signal shape Fig 38 6 Transmitter signal Noise Indication of unwanted background noise with signal evaluation Direction Fig 38 7 Upstream to...

Page 117: ...ise Sensor Test Functional test of the connected sensor detects obstacles such as air or sedimenta tion Direction Upstream towards flow direction Downstream in flow direction Up Downstream Scaling of...

Page 118: ...alues These values do not really exist Use either the or fields to enter smaller steps or specify absolute values higher steps directly in the Velocity field each step decreases the velocity by 1 100...

Page 119: ...recommend to have the entire measurement system inspected by the NIVUS customer service once per year Depending on the area of use the maintenance intervals may vary Extent and intervals of maintenan...

Page 120: ...found in the according technical description or instruction manual Technical description or instruction manual are part of the sensor delivery 42 Dismantling Disposal Improper Disposal may be harmful...

Page 121: ...side with plug for multifunction socket other side with open cable ends cable length 10 m NFM0 ZVER DA Connection cable NFM relay output one side with plug for multifunction socket other side with op...

Page 122: ...stomer Service 119 Cycle Operation 101 D Damping 77 Data Transmission automatic 63 Date 95 Delete Storage 92 Delta t 109 Diagnostics 108 Diagnostics v Paths 109 Diametrical 73 Digital Inputs 84 Digita...

Page 123: ...arameters 93 Search Scan 113 Sediments 72 Sensor Test 117 Serial No 94 Service Level 99 Signal Analysis 113 Signal Scan 114 Signal Scan Envelope 115 Signal Strength 107 Signal words 14 Simulation 108...

Page 124: ...ponsabilit la date de la pr sente signature la conformit du produit pour le march de l Union aux directives d harmonisation de la l gislation au sein de l Union 2014 53 EU 2011 65 EU Bei der Bewertung...

Page 125: ...arons sous notre seule responsabilit la date de la pr sente signature la conformit du produit pour le march de l Union aux directives d harmonisation de la l gislation au sein de l Union 2011 65 EU Be...

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