ATGC-1 Ground Coil Product Manual
Contents
1. Receiver E probe tip against the ground on the centerline D of the conductor F With the Receiver held in place have your partner incrementally adjust the position of the ground coil to the left or right of its original position to further increase the signal strength displayed on the Receiver Adjust the sensitivity down if the Receiver full scale deflects 10 Once the coil is positioned to induce the absolute maximum signal You may turn from the coil and begin tracing the conductor away from the calibration point by moving the receiver back and forth in a pendulum motion adjusting the sensitivity as necessary Mark the ground with paint or chalk where the maximum signal is received 6 Remember to keep the receiver tip straight down perpendicular to the ground with the front label and signal strength indictor facing the direction of the conductor run To trace pipes or conductors over long distances move the coil to the place where the signal dropped off and repeat the procedure TECHNICAL SPECIFICATIONS Coil Diameter 1m 3 28 ft Operating Frequency 32 758 kHz Field Radius air 7 62 9 14m 25 30 ft With B2024 Termination Shrouded Male Banana Plugs Integrated Operating Temperature 32 120 F 0 48 8 C Weight 0 68 kg 1 5 Ibs A ATGC 1 Ground Coil D B2024 Battery Pack B Conductor or Pipe E Transmitter C Receiver F Top Center of conductor or pipe Fig 2 Proper distance for initial setup A ATGC 1 G2. WA 98203 Mississauga ON L4Z 1X9 Tel 877 993 5853 Tel 905 890 7600 Fax 425 446 6390 Fax 905 890 6866 Non Warranty Repairs and Replacement Europe European non warranty units can be replaced by your Amprobe Test Tools distributor for a nominal charge Please check the Where to Buy section on www amprobe com for a list of distributors near you European Correspondence Address Amprobe Test Tools Europe Beha Amprobe GmbH In den Engematten 14 79286 Glottertal Germany Tel 49 0 7684 8009 0 Correspondence only no repair or replacement available from this address European customers please contact your distributor JA AMPROBE Ground Coil for use with Advanced Wire Tracers AT 2000 and AT 4000CON Series ATGC 1 Ground Coil CONTENTS Symbols 22 2ejs Renee 5 Unpacking and Inspection s ernenusseigeisensanenieuerunesehensniekinansn 5 Deseriptionau 2 2 32usen Rare ae Teen 5 Setup ahd Inductively Coupled Sionais merica 5 Tracing Underground Conductors Water Pipes and Gas Pipes uunssesessnennnennnennnnnnnnnnnnnnn 6 Setup Finding te COMAUCEON S lt cscscsicnsvsseosescsetescssicestescosesessveceudeceveseusettuscessseneaisnesstsesenststcesessesdedezezies 6 Positioning Coil for best signal WMAUCtION 1 0s ciiccsscescetscersccsscesctescsoseosenenecessocsdseasozonontescieges 6 Technical Specifications SYMBOLS Battery Refer to the manual Earth Ground
3. AN AMPROBE ATGC 1 Ground Coil AN AMPROBE ATGC 1 Ground Coil Users Manual ATGC1_Rev001 2008 Amprobe Test Tools All rights reserved Limited Warranty and Limitation of Liability Your Amprobe product will be free from defects in material and workmanship for 1 year from the date of purchase This warranty does not cover fuses disposable batteries or damage from accident neglect misuse alteration contamination or abnormal conditions of operation or handling Amprobe s warranty obligation is limited at Amprobe s option to refund of the purchase price free of charge repair or replacement of a defective product Resellers are not authorized to extend any other warranty on Amprobe s behalf To obtain service during the warranty period return the product with proof of purchase to an authorized Amprobe Test Tools Service Center or to an Amprobe dealer or distributor See Repair Section for details This warranty is your only remedy All other warranties whether express implied or statutory including implied warranties of fitness for a particular purpose or merchantability are hereby excluded Neither Amprobe nor its parent company or affiliates shall be liable for any special indirect incidental or consequential damages or losses arising from any cause or theory Since some states or countries do not allow the exclusion or limitation of an implied warranty or of incidental or consequential damages this
4. Audible tone Conforms to relevant Australian 5 R P P Karel nm Do not dispose of this product as 4 5 unsorted municipal waste Mus Underwriters Laboratories Application around and removal 4 from hazardous live conductors is permitted UNPACKING AND INSPECTION 1x ATGC 1 Ground Coil 1X User s Manual Direct Current Double insulated Dangerous Voltage Alternating Current om DESCRIPTION The ATGC 1 Ground Coil Fig 1 allows the signal from the Transmitter in the Advanced Tracer AT2000 and AT 4005CON series to be induced onto buried conductors water pipes and gas pipes up to 6 feet deep This allows tracing of conductors up to 300 feet in length SETUP AND INDUCTIVELY COUPLED SIGNALS The initial setup of the ATGC 1 to achieve maximum signal induction is accomplished easier if two people participate One person to hold the receiver and one person to adjust the coil position Since the ATGC 1 creates a large field it is possible that the field may be induced onto other known or unknown conductors in the area By rewinding or recoiling the ATGC 1 so the overall diameter of the coil is smaller the field will become smaller and may eliminate coupling to adjacent conductors in the area The conductor with the lowest resistance has the most current flowing through it or has the largest mass will carry the greatest signal Underground conductors must be grounded on both ends or have current flowing through them in order fo
5. Ground Coil A and B2024 Battery Pack D into the Transmitter E 4 Set the Transmitter to the HIGH MODE and turn the unit ON 5 At a distance of 25 30 ft from the coil point the Receiver C perpendicular to the ground with the front label and Signal Strength Indicator facing the coil If you do not get far enough away from the coil the receiver will only pick up the signal radiating through the air off the coil itself 6 Set the Receiver to the SHORT MODE and set the Range selector switch to X100 AT 2000 series only 7 Turn the Receiver on by rotating the thumbwheel and set it to 5 AT 2000 series only Finding the Conductor s 8 While maintaining a 25 30 ft radius from the coil trace the area in a circular pattern remembering to keep the Receiver perpendicular to the ground with the front label and Signal Strength Indicator facing the coils as you are circling the coil Fig 3 Individual short ghost signals may be received while moving in this circular direction This is normal and due to stray signal current If you stop moving you will realize that there is no real signal present The real signal radiating off the conductor will continually pulse Multiple signals may indicate multiple conductors Locate the area in which the maximum signal strength is displayed on the conductor you wish to trace Positioning Coil for best signal Induction 9 When the area of the maximum signal is located place the
6. limitation of liability may not apply to you Repair All test tools returned for warranty or non warranty repair or for calibration should be accompanied by the following your name company s name address telephone number and proof of purchase Additionally please include a brief description of the problem or the service requested and include the test leads with the meter Non warranty repair or replacement charges should be remitted in the form of a check a money order credit card with expiration date ora purchase order made payable to Amprobe Test Tools In Warranty Repairs and Replacement All Countries Please read the warranty statement and check your battery before requesting repair During the warranty period any defective test tool can be returned to your Amprobe Test Tools distributor for an exchange for the same or like product Please check the Where to Buy section on www amprobe com for a list of distributors near you Additionally in the United States and Canada In Warranty repair and replacement units can also be sent to a Amprobe Test Tools Service Center see below for address Non Warranty Repairs and Replacement US and Canada Non warranty repairs in the United States and Canada should be sent to a Amprobe Test Tools Service Center Call Amprobe Test Tools or inquire at your point of purchase for current repair and replacement rates In USA In Canada Amprobe Test Tools Amprobe Test Tools Everett
7. r a signal current to flow The Receiver must be set to the Short mode in order to sense this signal The Receiver should only be set to the OPEN MODE if the conductor is not grounded on both ends and no earth shield is present between the conductor and receiver A WARNING If the Receiver does not pick up a signal it does not necessarily mean that the area is safe for excavating It is possible that live conductors that do not have current flowing through them or are not grounded at both ends do not effectively couple the signal Extra measures should be taken to insure that a safety hazard does not exist before any excavating begins It is advisable to use the Rechargeable Battery Pack Model B2024 when using the Ground Coil as it allows a deeper and three times more signal to be induced for longer tracing distances Placing the coil directly over the conductor is not recommended as minimal signal induction will occur TRACING UNDERGROUND CONDUCTORS WATER PIPES AND GAS PIPES Setup 1 Look around and observe your surroundings Setup the coil in the area that the conductor most likely would be buried approximately 30 away from where you want to start identifying the location of the conductor 2 Arrange the ATGC 1 Ground Coil in a circle on the ground approximately 3 from the top center of the conductor or pipe Fig 2 Note Placing the coil directly over the conductor will not induce any signal 3 Plug the ATGC 1
8. round Coil C Maximum Signal Strength B Conductor or Pipe D Little or no signal strength Fig 3 Locating the area of maximum signal strength A Maximum induction D Conductor Centerline B Less induction E Face Receiver towards coil C Calibration Point F Conductor Fig 4 Conductor centerline and Coil position adjustment Visit www Amprobe com for e Catalog e Application notes e Product specifications e User manuals
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