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Gas Tracker 2
User Guide
M A D E
S.A. au capital de 270 130 €
167, Impasse de la garrigue
F 83210 LA FARLEDE
Tél. : +33 (0) 494 083 198 - Fax : +33 (0) 494 082 879
E-mail :
contact@made-sa.com
- Web :
www.made-sa.com
FQ_47_V_1.00 du 22.12.2015

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  • Page 1 Gas Tracker 2 User Guide M A D E S.A. au capital de 270 130 € 167, Impasse de la garrigue F 83210 LA FARLEDE Tél. : +33 (0) 494 083 198 - Fax : +33 (0) 494 082 879 E-mail : contact@made-sa.com...
  • Page 2 R É P E R T O I R E D E S M O D I F I C A T I O N S Rév. Objet des modifications Date et Auteur 1.00 CRÉATION 2011 Ph. Coste 1.10 Corrections mineures 2015 Ph.
  • Page 3: Table Of Contents

    S O M M A I R E 1. PRESENTATION 2. SAFETY INFORMATION 2.1. Safety instructions 2.2. Use od safety instructions 2.3. Warning labels 3. GENERAL PRESENTATION 3.1. Gas Tracker set 3.1.1. Composition of the transmitter case 3.1.2. Composition of the receiver case 4.
  • Page 4 7.3. Locating 8. TECHNICAL CHARACTERISTICS 9. MAINTENANCE RECYCLING GARANTEE 11.1. Limitations 11.2. Claims limitations COPYRIGHT ANNEX 13.1. CE conformity declaration gu_gas_tracker2_v_2_15_en 4 / 35...
  • Page 5: Presentation

    PRESENTATION This document constitutes the user guide for the product Gas Tracker 2. It describes the commissioning of the device and its various modes of operation SAFETY INFORMATION 2.1. Safety instructions Please read this manual carefully before unpacking, configuring or using this equipment. Pay attention to all statements of danger and warnings.
  • Page 6: General Presentation

    GENERAL PRESENTATION GAS TRACKER 2 is an equipment used for tracing, above ground, buried polyethylene gas pipes. The GAS TRACKER operates on gas pipes operating at low pressure (21 mbar) or medium pressure (4 bars). Use with "air" pipe is possible.
  • Page 7: Composition Of The Transmitter Case

    3.1.1. Composition of the transmitter case  Carrying case with integrated transmitter.  Retaining strap  Connecting cable to transmitter (3m).  Flexible connection pipe (according to country option)  Purge tube  Supporting leg.  Cigarette lighter adapter  External power cable.
  • Page 8: Gas Tracker Transmitter

    GAS TRACKER TRANSMITTER The GAS TRACKER transmitter injects the acoustic signal into the gas network. 4.1. Description of the front panel of the transmitter Mains plug for internal batteries 110-240V 50/60Hz Battery charge Mains power switch indicator Transmitting indicator Plug for connecting the resonator tank Default indicator...
  • Page 9: Operation Of The Gas Tracker Transmitter

    4.2. Operation of the Gas Tracker transmitter 4.2.1. Power supply The GAS TRACKER Transmitter can be operated on batteries or mains. The mains connection recharges the internal batteries. A plug for connecting to a vehicle battery (alligator clips) or a cigarette lighter socket is provided. If this supply is used, the internal battery pack is deactivated.
  • Page 10: Procedure For Putting The Transmitter Into Service

    The resonator tank leans on the customer meter box. A supporting leg is integrated into the handle of the tank. The leg is adjustable by a knob to accommodate the height of the box. A retaining strap is provided for high installation. 4.2.3.
  • Page 11: Procedure For Removing The Transmitter

    Connect to the mains using the cord provided to the transmitter (the transmitter will be recharged during use). 4.2.4. Procedure for removing the transmitter : 1. Close the inlet valve 2. Switch off the transmitter and disconnect the electrical cable from the tank 3.
  • Page 12: Gas Tracker Receiver

    GAS TRACKER RECEIVER The transport case includes the GAS TRACKER receiver assembly. The Gas Tracker receiver consists of 2 main components :  The Ground acquisition sensor  The PDA for displaying results PDA or tablet Ground sensor gu_gas_tracker2_v_2_15_en 12 / 35...
  • Page 13 • The PDA has its own batteries, rechargeable with a charger supplied by the manufacturer and delivered with the GAS TRACKER 2. • An inverter / DC / AC converter allows the vehicle's cigarette lighter socket to be used to charge the BASE and / or PDA.
  • Page 14: Using The Receiver

    5.1. Using the receiver Tablet Ground sensor gu_gas_tracker2_v_2_15_en 14 / 35...
  • Page 15: Ground Sensor

    5.1.1. Ground sensor Move the sensor using the removable stick. You can adjust the length of the stick if needed. 5.1.2. Running the GT2 application on the PDA : Operate as follows:  The transmitter must be connected to the gas network according to the instructions for use (see §...
  • Page 16: Pairing The Pda With The Sensor Via Bluetooth

    5.1.3. Pairing the PDA with the sensor via bluetooth When starting the application, if the default base is on (red LED flashing slowly) the connection is automatic. If for some reason this is not the case:  Switch on the base (press the button and wait for the red LED to flash slowly) On the PDA: ...
  • Page 17: Initial Settings

     All detected databases appear in the list, they are identified by their hardware address in the following format XX: XX: XX: XX: XX: XX).  Then press SET AS DEFAULT button if you wait to set the selected base as default. ...
  • Page 18 On the PDA: Areas of the measurement window, from top to bottom:  At the top of the status bar, left to right: Mode selection (ambiant noise) Battery level of the PDA Battery level of the ground sensor Status of bluetooth connection ...
  • Page 19: Bargraph

    The placement of information is somewhat different than on the PDA but the functionalities are the same. An additional function is available on the tablet: the sound activation is used to play pulse sound signal with a repetition period proportional to the intensity of the ground signal. 5.1.6.
  • Page 20: Icons

    Means a measure of insufficient quality (low signal-to-noise ratio), the height is only an approximation of the signal level. Means that the measurement has been made with a gain too high and that the sensor saturates: the height is not really representative of the level of the signal being searched.
  • Page 21: Location

    5.1.9. Location For tablet only : If the location service is available on the Android device, its activation is proposed to the user at the application start-up. The activation of this service allow to associate each measure to GPS coordinates (latitude and longitude) expressed by using the DD (Decimal Degrees) format. If the location service is not enabled, the coordinates of each measure will be replaced by the mention N/A (Not Available).
  • Page 22: Location Files (Android Tablet Only)

    the histogram, an empty line will be written as a separator so you can see the different sets of measures. When you are on the acquisition screen, you can change the name of the current log file by pressing the button on the top menu 5.1.12.
  • Page 23: Tips For Good Use

    5.1.13. Tips for good use  Do not make any measurements too close to the transmitter (less than 10 meters).  When possible, try to use the bargraph; it indeed makes it possible to immediately visualize whether the signal being searched is present (Check for the red line which represents the average level of the desired signal, the remainder being noise, often with large variations).
  • Page 24: Limits And Conditions Of Use

    LIMITS AND CONDITIONS OF USE The principle used in GAS TRACKER is the transmission of an acoustic signal, carried by the gas contained in the pipeline. This signal results in a vibratory phenomenon in contact with the PE and propagates to the surface.
  • Page 25: Practising On The Field

    PRACTISING ON THE FIELD 7.1. Using the acquisition sensor on different types of soil The measurement quality of the Gas Tracker is directly linked to the acoustic coupling quality of the acquisition sensor on the ground. There are two main types of situation: ...
  • Page 26: Pre-Locating

    7.2. Pre-locating Before proceeding with any precise locating, it is necessary to pre-locate a search area. To do this, the bar graph is used which makes it possible to visualize the acoustic measurement continuously. Signal level Weak signal or zero signal. Increase the gain if needed.
  • Page 27: Locating

    7.3. Locating To precisely locate a pipe, measurements are made along an axis perpendicular to the supposed direction of the pipe, by spacing each measurement of the width of the ground sensor. Ambiant noise Perform a reset of the histogram if selection necessary.
  • Page 28  Usual case: homogeneous soil Ex : Concrete, grassy ground, pavement, well compacted trench. Pavement Measurement axis Pipe  Particular case: Soil with localized elements of lower density Ex : Buried cavity, localized soft part, etc. Less dense area Measurement axis Pavement Pipe ...
  • Page 29  Particular case: soil with plugged trench badly compacted Trench plugged and badly compacted Measurement axis Pavement Pipe The difference in compaction of the trench causes a damping of the measured signal. A local secondary extremum is found above the pipe. Note : The presentation of these particular cases aims to help the operator do a very precise locating of the desired pipe (+/- 15 cm in XY).
  • Page 30  Examples from the field  Usual case Classical bell curve, the pipe is located under point n°3.  Case of a badly compacted trench, with differences in propagation between the trench and the rest of the roadway. The signal decreases sharply when passing through the trench, due to a different compaction.
  • Page 31: Technical Characteristics

    TECHNICAL CHARACTERISTICS  Transmitter : o Acoustic technology using a horn driver under pressure in a resonator tank:  400 Hz < Injection frequency < 500 Hz  Sound pressure level : 110 dB O AC power supply 100-240V 50/60Hz, integrated battery, external batteries using the connectors provided (vehicle cigar lighter adapter or battery 12V/3A) O Integrated Lead batteries 7,6AH 12V (autonomy : 4H) O Temperature : -20 to +60 °C, 90% relative humidity...
  • Page 32 O Receiver : 15,2 kg  Resonator tank : 5,1kg  Ground sensor : 1,3kg  Dimensions : Transmitter case : 472 x 347 x 194 mm Receiver case : 560 x 347 x 239 mm Terms of use : Fluctuation of the supply voltage up to +/- 10% of nominal voltage, transient overvoltage up to overvoltage category II, pollution degree 2.
  • Page 33: Maintenance

    If a defect is discovered during the period of the guarantee, MADE agrees, at its choice, to either repair or replace the deficient part, excluding the expenses of handling and of initial delivery.
  • Page 34: Claims Limitations

    Claims having for object repair or replacement are the only allowable claims in case of the breaking of this guarantee. The MADE Company cannot be held responsible, whether on the basis of strict responsibility or any other legal basis, of any incidental or consecutive damage resulting from a violation of the guarantee or from carelessness.
  • Page 35: Annex

    Tél:+ 33 (0) 494 083 198 –FAX : + 33 (0) 494 082 879 E-mail: contact@made-sa.com - Web : www.made-sa.com Declares by this document that the product described in this manual, that is: Gas Tracker 2 Conforms to the following , including all applicable amendments: Référence Titre 73/23/CEE...

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