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ANDIG 5379 User Handbook Manual

Electronic cable fault locator

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USER HAND BOOK
FOR
ELECTRONIC CABLE FAULT LOCATOR
MODEL NO - 5379
Prepared & Published by
_______________________
M/S ANDIG SYSTEMS
34/2, 3
rd
floor, 10
th
cross, RajajiNagar
st
1
N Block, Bangalore 560010
1
HTTPS://WWW.ANDIGYSTEMS.CO.IN

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Summary of Contents for ANDIG 5379

  • Page 1 USER HAND BOOK ELECTRONIC CABLE FAULT LOCATOR MODEL NO - 5379 Prepared & Published by _______________________ M/S ANDIG SYSTEMS 34/2, 3 floor, 10 cross, RajajiNagar N Block, Bangalore 560010 HTTPS://WWW.ANDIGYSTEMS.CO.IN...
  • Page 2 WARNINGS & CAUTIONS CAUTION! To avoid serious malfunction of equipment, never open the front panel directly with bare hands so that ESD is ruled out. Refer to our company’s safety procedures when working with electronic equipment & systems. WARNING! Use only the specified AC adapter. Use of another type of AC adapter can damage the instrument and create the danger of fire and electrical shock.
  • Page 3 LIST OF CONTENTS Para No. Description Page No CHAPTER 1 LEADING PARTICULARS & GENERAL DATA Introduction Technical Specification CHAPTER 2 BRIEF TECHNICAL DESCRIPTION PRINCIPLE OF OPERATION FRONT PANEL DESCRIPTION MENU FLOW DIAGRAM CHAPTER 3 UNPACKING AND REMOVAL OF PRESERVATIVES Housing description Unpacking Procedure Preservatives CHAPTER 4...
  • Page 4 Nominal V/2 values for different types of Cables S.No Cable Type Nominal V/2 Variation in V/2 Jelly 88 to 95 Paper 102 to 110 Co-axial 122 to 130 70 to 74 Note: 1) Nominal value of V/2 for same type of cable varies depending on the gauge of the conductor and the insulation material.
  • Page 5 Block diagram shows signal flow path & processing sequence Output Cable Port under test Pulse Sampling Genera Circuit Receive Signal Display input via Analysis on LCD menu Waveform Power Storage Supply Leading Particulars & General Data: ELECTRONIC Cable Fault Locator is basically a High Resistance Fault Locator to mainly locate Low Insulation &...
  • Page 6 Introduction: Electronic Cable Fault Locator Model 5379 works on a proven pulse reflection technique in combination with a Bridge network to detect most common faults quickly. It transmits a pulse of controlled width and amplitude along the cable. The velocity of propagation will majorly depend upon the dielectric surrounding the conductor.
  • Page 7 Dimensions 270mm x 250mm x 120mm Enclosure Waterproof ABS plastic Operating -15⁰ C to 60⁰C / 95% RH Conditions As per QM 333 , Category D Test Report : REL/16/K/011 dtd 19 Dec 2016 conducted at M/s ITI, Bangalore Accessories Battery, Adapter, Connector cables &...
  • Page 8 Operating Time 8 Hours continuous without Back light Environment Operating Temperature: 0 to 50 Degree C Display 5 inch ,monochromatic , 240 *128 Graphic Display with backlight Maximum Range For Open/Short Faults : 15 Kms For Low Insulation Faults : 15 Kms Testable Low Insulation : 2 ME (Max)
  • Page 9 FRONT PANEL DRAWING & DESCRIPTION:  POWER ON : The instrument performs self check & on completion will display.  SELECT : When Pressed selects high lighted menu  MENU : When Pressed Main Menu is displayed  : Moves Up & Down the high lighted Menu ...
  • Page 10  RANGE & GAIN : A combination of Range & Gain is used to increase the pulse width so that the signal can propagate over a longer distance. (Select range using arrow keys.)  ZOOM : It displays current zoom status from zoom1-zoom 7, At zoom 7, displays maximum expanded waveform.
  • Page 11 Fig. 1-A Indicates 2 pairs of isolated cable of length 'D'. The fault F ‘F' of resistance ‘R’ Ohms lies at a distance LP from end P & LQ from Q such that LP + LQ = D. Fig 2A Black 5379 Black HTTPS://WWW.ANDIGYSTEMS.CO.IN...
  • Page 12 Fig 2-A shows schematically the test procedure adopted. At the remote end Q the terminals Good Pair i.e A and B are looped and extended that loop to point D of faulty pair by means of a short jumper. At testing point at P-END Low Insulation Fault Locator is connected.
  • Page 13 MENU FLOW : Normal Scan Scan L2- L20 Scan L1 & L2-L20 Pulse Differential Normal Scan Jelly Echo / TDR Scan Paper Settings Co-Axial Others Setting Cable Type 0.4 mm 0.5 mm 0.63 mm Gauge 0.9 mm 1.5 mm 27 C Temperature Settings ( default...
  • Page 14 5379 ELECTRONIC Cable Fault Locator. DESCRIPTION: “ANDIG” Model 5379 is a “Low Insulation Fault Locator” that digitally displays distance to fault of all types. It is designed for use on UG Telephone Cable for Installation, Maintenance & Cable Repair by Technicians. Its simple operation helps even inexperienced field technician to successfully locate Low Insulation Faults (Ground Fault &...
  • Page 15 Insulation Faults select Low Insulation fault mode etc. 4. PURPOSE: Check faulty pair for type of fault. 1. Connect faulty pair (Limb A & B) under test to Line 1. 2. Using  arrow keys select Low Insulation Resistance. 3. Press Select for Normal Scan. (Display <5000Kohms indicates Low Resistance Fault, Display >5000Kohms indicates Break Fault or good pair.
  • Page 16 For Open Fault Incident Pulse Reflected Pulse Cursor 1 Cursor 2 For Short Fault Incident Pulse Reflected Pulse Cursor 1 Cursor 2 Note: Press Cursor key CUR 1 or CUR 2 appears in the multifunction box. Use arrow keys  to move & align cursor 1 to starting point of incident pulse. Press Cursor key again so that Cursor 2 appears in the multifunction box.
  • Page 17 If reflected pulse is not displayed clearly in zoom 5, zoom 4, zoom 3 then 5.2 Press Range & Gain : Using Keys Select range depending on the distance to fault. Range & Gain Table ( indicative table ) Sl.No Range Gain Distance covered ( in mtrs for 0.9 sq mm wire )
  • Page 18 a) Good (Reference) pair preferably in the same cable in which faulty pair is to be tested. b) Looping of both limbs of good pair to the faulty limb at the far end of the cable under test (Refer Fig - 1). Faulty pair should have less than 2Mohms Insulation Resistance.
  • Page 19 SET UP CABLE NETWORK. Case I: Limb To Limb Fault Line 2 Good Pair Black 5379 Line 1Faulty Pair Black 1. Please check the resistance between limb to limb of good pair using multi meter to ensure it is properly looped at the far end (say it reads 500 Ohms).
  • Page 20 Distance to fault 0 mts Purpose: To locate Low Insulation faults using only one good Limb single limb is available , connect as shown Black 5379 Faulty pair Black Procedure: (Refer Fig above) Verify good Limb for more than 5M ohms insulation resistance.
  • Page 21 10.1 Observe for charging enabled on the screen after few seconds. 10.2 Please do not charge the instrument more then 14 hours. CALIBRATION: Andig Model 5379 is pre calibrated for various types of cables. No need to calibrate in the field. However for unknown type of cable option to calibrate is in menu driver.
  • Page 22 TROUBLE SHOOTING S.No Nature of Probable Reason Action Fault No Display Faulty in DC-DC converters check Replace output voltages +5, -5, +12V: Fuse/Switches If output not present check Fuse & ON / OFF Switch If out put is still not ok, disconnect output supplyConnector &...
  • Page 23 Warranty ANDIG SYSTEMS warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies to sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period.