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TX8000
Operating Instructions
Z = 50Ω
VoP= 67
%Vc
RANGE = 120m
TH
CONT
11.75m
CUR
C1
2
GAIN
X1
?
ALKA
20.65m
C1 2: 8.90m
Version 1.1

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Summary of Contents for BI COMMUNICATIONS TX8000

  • Page 1 TX8000 Operating Instructions Z = 50Ω VoP= 67 RANGE = 120m CONT 11.75m GAIN ALKA 20.65m C1 2: 8.90m Version 1.1...
  • Page 2: Table Of Contents

    Contents Section 1 Notices Receiving the TX8000 ............3 Safety notices ..............3 Standards ................4 Section 2 Introducing the TX8000 TX8000 features ..............5 Specifications ..............6 Accuracy ................7 Section 3 Initial preparation of TX8000 Fitting / replacing batteries ..........8 Key pad functions .............
  • Page 3: Receiving The Tx8000

    The TX8000 Includes, 0.5 mtr test lead, shoulder/neck strap, screw driver, 4 x AA batteries, protective case and Quick start instruction manual. Safety Notices WARNING •...
  • Page 4: Standards

    Water/ Dustproof to IP67 Section 2- Introducing the TX8000 The TX8000 is a 6 Km range Time Domain Reflectometer housed in a rugged over moulded case being water proof to IP67 and drop resistant, designed for outdoor use, but sufficiently small and light weight for general use and may be operated using one hand.
  • Page 5: Tx8000 Features

    2.1 TX8000 features Drop proof, Water/ Output via 2 x 4mm dustproof to IP67 Safety Sockets Z= 75 . VoP+ 76 RANGE= CONT Dual cursors 14.23m 3.5” Colour QVGA Display GAIN Shorted Conductor Fault ALKA 20.65m Distance between indication C1 2: 8.90m...
  • Page 6: Specifications

    BS/EN 61326-1 Protection Class IP67 * Measurement accuracy of +/-1% assumes the instrument setting for VoP of the cable under test to be accurately set, homogeneity of the VoP along the cable length, and accurate cursor positioning. TX8000 Operating Instructions...
  • Page 7: Accuracy

    2.3 Accuracy The TX8000 is able to measure distances to faults on cable lengths to an accuracy of +/- 1%, this accuracy is based upon the correct value VoP being selected and homogeneity of the VoP along the cable length. If the VoP varies additional errors will be incurred which may affect the measurement accuracy.
  • Page 8: Initial Preparation Of Tx8000

    Section 3 Initial preparation of TX8000 3.1 Fitting batteries The TX8000 is supplied with 4 X AA 1.5-volt batteries. These will need to be installed, please refer to section 6.1 for installation procedure. The TX8000 is designed to accept AA size Alkaline cells or rechargeable NMH cells. Because...
  • Page 9: On/Off Functions

    To turn off press and hold Key (5) until the display closes. 3.4 Key Pad Backlite Upon switching on the TX8000 the key pad backlite will be turned on for 20 seconds, by pressing any key this will restart the illumination for 20 seconds.
  • Page 10: Preparing The Tx8000 For Use

    Section 4 preparing the TX8000 for use 4.1 Screen displays and menus START-UP DISPLAY TX 8000 BATTERY SELECTION Please Select Battery Type 1. ALKALINE 2. NIMH Please Use UP/DOWN Arrow Keys To Select Battery Type MAIN MENU Press ENTER to complete Selections...
  • Page 11: Set Velocity Of Propagation Unit

    To preserve battery life the TX8000 is fitted with an auto shutdown feature, shutdown time may be selected for 1,3,5,10 and 15 minutes or disabled. When the TX8000 is set in tone mode (see section 5.4) the unit will default to disabled to allow time for cable tracing.
  • Page 12: Using The Tx8000

    Section 5 Using the TX8000 Upon completion of the set-up procedures in section 4 press key (2) to return to main menu and press (8) to select measurements the following display will be shown 5.1 Measurement display Z = 50Ω...
  • Page 13: Setting Cable Parameters

    VoP may be established from a sample length of the cable to be tested (see section 5.8) Section 5.3 Range selection The TX8000 has 11 range scales between 7 meters and 6 kilometres or the equivalent values in Feet. The range selected is shown on the display (4) Section 5.4 Scan modes, Compare and Tone generator The TX8000 has three scanning modes, single and continuous scan.
  • Page 14: Connecting To A Cable To Be Tested

    Section 5.6 Gain The TX8000 has a pre-set gain for each of its 11 range scales, there is in addition 8 user selectable values to assist in the identification of small impedance miss matches. The gain value selected is shown on the display (7) 5.7 connecting the TX8000 to a cable to be tested...
  • Page 15: Typical Fault Displays

    Coax Foam PE 50/75 T/Pair Paper 72nF Coax Air 50/75 T/Pair PTFE Coax Solid PE 50/75 T/Pair Paper 83nF Coax Air Space 50/75 T/Pair PVC Coax Foam PE 50/75 T/Pair Paper 72nF Coax Solid PE 50/75 T/Pair Paper 83nF TX8000 Operating Instructions...
  • Page 16: Fitting And Changing Batteries

    Section 6 Maintenance 6.1 Fitting and changing batteries. Disconnect the TX8000 from any cable or network link Turn the TX8000 off • Loosen the 4 black screws and remove the battery compartment cover. • Replace the batteries with 4 x 1.5 Alkaline or NMH AA size batteries observing the polarities •...
  • Page 17: Storage

    36 months after the purchase date by the user. NOTE: Any unauthorized prior repair or adjustment to the instrument will automatically invalidate the warranty. The quality management system of BI Communications fulfils the stringent requirements of the international quality system ISO 9001-2015. 7.1 Contacting Us...

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4407400

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