TX2003 Manual.cdr - BI Communications
Contents
1. TDR Cable Fault Locator Operating Instructions Communications Innovation through Technology 4403407 issue 1 Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 CONTENTS Receiving the TX2003 1 1 Safety NOUCES sescccennisnsavstestus eocezncsnesessenees ondwerss 3 1 2 AAS T E 4 Introducing the TX2003 2 1 TX2003 TEQUPES ccssescictncteneccemiignenttenienenet 5 2 2 DD SCINC AMONG cessor 6 23 PC CUI ACY EE E E T 7 First operations Sal Preparing the TX 2008 ics oicatciawsrnveccsivtivecesvennnes 7 32 Menu amp screen displays ccccccseeseeeeeeeeees 8 3 3 Set auto shutdown iisccsiccscrssvacseasiscetcnseaeeraaues 8 3 4 Set unit of measure eee cecccssssseeeeeseeneeeees 9 3 5 Set cable impedance ccccccccesseeeeeeeeeees 9 3 6 Set Velocity of propergation ccceee 9 3 7 Backighi sisipe a EEEE 10 3 8 How to determine unknown Vp Settings 10 Using the TX2003 4 1 Testing a cable icsicccocssssvscersavacsdsicamaatoctavaged 12 4 2 Selecting range SCAIeS ccccccseeeeeeeneees 12 4 3 Single shot and Continuous scan mode 12 4 4 Tone generalo cioar iris 13 4 5 Adjusting CONtrAST ccccceeeeeeceeeeeeeeeeeeees 14 4 6 Typical fault displays sscvicussicetrncsneverenrernriear vent 14 4 7 Typical Cable Vp amp Impedance values 14 Maintenance 5 1 Battery replacement cccccccsseecesssseeeees 15 5 2 Eea S E E T 15 5 3 OW2. AS A EEE E E 15 Warranty amp Repair 6 1 Contacting US ceticismo 16 Section 1 Receiving the TX2003 Upon delivery of the TX2003 ensure the contents are consistent with the packing list notify your supplier of any missing items If the equipment appears damaged notify your carrier and supplier immediately giving a detailed description of any damage save the damaged packaging to substantiate your claim The TX2003 includes a 0 5 mtr test lead soft case batteries and user manual AN Warning J This instrument meets the safety requirements of IEC61010 1 1995 TheTX2003 is designed for use on de energized circuits only Connection to line voltages will damage the instrument and could be hazardous to the operator This instrument is protected against connection to telecom network voltages according to EN61326 1 Safety is the responsibility of the operator International Electrical Symbols This symbol signifies that the instrument is protected by double or reinforced insulation Use only specified replacement parts when servicing the instrument This symbol on the instrument indicates a WARNING and that the J operator must refer to the user manual for instructions before operating the instrument In this manual the symbol preceding instructions indicates that if the instructions are not followed bodily injury installation sample and product damage may result Risk of electric shock The voltage of the parts marked
3. with this A N symbol may be dangerous 1 2 Standards The TX2003 has been manufactured in accordance with and meets the requirements of the following international standards SAFETY IEC 61010 1 EN 60950 EMC BS EN 61326 1 Water Dust Proof to IP54 Section 2 Introducing the TX2003 The TX2003 is a 6 000 meter 19 000ft range hand held time domain reflectometer weighing only 350 grams 12 ounces designed for identifying and locating faults on Metalic power Data and Communication cables with a 7 mtr first range scale and 0 5 mtr dead zone is ideal for locating near end faults The TX2003 injects a series of pulses into the cable under test the velocity at which the pulses travel is determined by the type of cable this is known as the velocity of propergation Vp of the cable The Vp value is expressed as a percentage of the speed of light i e 67 or ft mtrs micro second ms this value will vary according to the type of cable under test The TX2003 can accept user selectable values between 1 and 99 or the equivalent value in feet or meters per micro second Based on the selected Vp and the time taken for the pulses to travel through the cable a reflection profile of the cable under test is displayed identifying impedance anomalies along the cable By aligning the moveable cursor to the selected anomaly the distance to fault is displayed in feet or meters 2 1 1TX2003 Features 1
4. TX2003 2 amp Co amp amp BI Communications Inn i Technology ovation through Te BNC Input connector LCD Start up screen Cursor left button increase range Cursor right button decrease range Menu and range select button Test start button Power on off button Back light on off button SNS eS 2 2 Specifications Ranges Meters Feet Range Selection Accuracy Resolution Sensitivity Velocity Factor Output Pulse Output Impedance Output Pulse Width Scan Rate Tone Generator Battery Life Power Supply Power Down Back Lit Display Voltage Protection Operating Temp Storage Temp Dimensions Weight Safety EMC Water Dust Proof 7 15 30 60 120 250 500 1km 2km 3km 6km 23 49 98 197 394 820 1640 3280 6560 9850 19000 Manual range control 1 of selected range Approx 1 of range Min 3 pixel return at4km on 0 6mm PE TP Adjustable from 1 to 99 5 volts peak to peak Into open circuit Selectable 25 50 75 amp 100 ohms 3ns to 3 ms Automatic with range 2 scans second or scan held 810 1100Hz 60 hours continuous scanning 6 volts 4 x 1 5AAAlkaline cells Selectable 1 2 3 5 minutes or disabled 128 x 64 pixel 250 volts AC 10 50 C 20 70 C 165 x 90 x 37 6 5 x 3 5 x 1 5 ins 350 gms 1202 IEC 61010 1 EN 60950 BS EN 61326 1 IP54 Measurement accuracy of lt 1 assumes the instrument setting for
5. ews 5 2 Cleaning Disconnect the instrument from any source of electricity e Turn the instrument off e Use a soft cloth lightly dampened with soapy water wipe over the instrument rinse the cloth in clean water squeezing out any excess water wipe over the instrument removing any soap residue dry instrument with a dry cloth e Do not splash water directly on the instrument e Donotuse alcohol solvents or hydrocarbons 5 3 Storage If the instrument is not to be used for a period of more than 60 days it is recommended that the batteries are removed and stored separately see 5 1 15 Section 6 Repair and Warranty The instrument contains static sensitive devices and is not user serviceable If an instrument fails or its protection has been impaired it should not be used but sent back for repair by suitably trained and qualified personnel New instruments are guaranteed against breakdown due to manufacturing or component defects for 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 standard BS EN ISO 9001 TheAssociation for the Certificate of Quality Systems has awarded us the Quality System Certificate No 12500 6 1 Contacting Us BI Communications Ltd Unit 7 Buckwins Square Burnt Mills Ind Esta
6. has been selected connect test lead to cable pair to be traced and using tone probe which will emit a tone the volume will increase the nearer the probe is to the cable being traced Note The auto off function is disabled in tone generator mode so that the tone can be injected into a cable for extended periods while tracing takes place 13 4 5 Set Contrast level 2 TDR Press W to move to contrast Press bse te lt q to decrease contrast press gt to Coax 750 increase contrast Metres Press TDR button to exit Contrast i Shutdown 2minutes 4 6 Typical Fault Displays The following diagrams show typical fault traces to assist you in the identification of faults using the TX2003 OPEN CONDUCTOR SHORTED CONDUCTOR _ aa SPLIT RESPLIT 4 7 Typical Cable V P and Impedance Values WET SPLICE WATER i FRAYED CABLE WATER INGRESS Hl SPLITTER Type Type Cat5 STP T Pair Jelly PE Cat5 UTP T Pair PE Coax Air T Pair PTFE Coax Air Space T Pair PVC Coax Foam PE T Pair Paper 72nF Coax Solid PE T Pair Paper 83nF 14 Section 5 Maintenance 5 1 Battery Replacement Disconnect the instrument from any cable or network link e Turn the instrument off e Loosen the two black screws and remove the battery compartment cover e Replace the batteries with 4 x 1 5 volt Alkaline batteries observing the polarities e Refit the battery compartment cover and refit the two scr
7. he overall length of the cable being 180 meters 4 2 Selecting Range Scales The TX2003 has 11 range scales covering the range of 0 5 to 6 000 meters To select a range scale or scan the cable run press and hold down the TDR button and press lt to decrease range press gt to increase range 4 3 Single shot and Continuous Scanning Modes When the TX2003 is first switched on it is set to Single Shot mode In this mode the TX2003 only fires a pulse into the cable under test when either the lt q and gt buttons or W button is pressed 12 Single Shot Mode Saves on battery life and also enables the TX2003 to be disconnected from the cable while still leaving the fault display on the screen To enter Continuous Scanning mode press down and hold the W button The icon will appear at the bottom right of the display when continuous scanning mode is activated Continuous Scanning Mode fires pulses into the cable under test In this mode the TX2003 is able to more easily identify intermittent cable faults 4 4 Tone Generator The TX2003 may also be used as a tone generator to trace and identify cables and wires The user will need a conventional inductive tone probe within the range 810 Hz to 1110Hz To select tone generator Level 2 Oe e Press to move to TDR press lt ai to scroll between TDR and warble Meiras Press TDR button to exit Contrast E Shutdown 2minutes When tone
8. ress down TDR button and hold press w release both buttons To exit press TDR button 100m us T P 1009 l Level 2 Menu 3 3 Set Auto Shutdown TDR V 2 m us 100m us T P 1002 Metres Contrast E Shutdown 2minutes TX2003 vid TDR V 2 m us 100m us T P 1002 Metres Contrast E Shutdown Disabled To preserve battery life the TX2003 is fitted with an auto shutdown feature Shutdown time is selectable between disabled 1 minute 2 minutes and 3 minutes To change settings press V to move to shutdown use or to select setting 3 4 Set Unit of Measure Level 2 TDR Press W to move m to unit of V 2 mlus measure feet or meters ab Press lt or P gt to scroll between feet Metres and meters Press TDR button to ponies ee exit selected value will be Shutdown 2minutes automatically stored Note When unit of measure has been selected this will automatically change the V 2 figure which will also be displayed in the selected unit of measure 3 5 Set cable Impedance Z TDR Press W to move cursor to Z to V 2 mlus scroll between values press or gt To Pe exit press TDR selected values will Metres be automatically stored Contrast iy Shutdown 2minutes 3 6 Set Velocity of Propergation Vp Level 2 Velocity of propergation Vp may be set as or speed in micro seconds ms The unit of measure the speed is displayed in fee
9. t or meters will be determined by the setting selected in section 3 4 ae Press W to move to displayed unit idomius press 4 to scroll between v 2 M Ms or Coax 759 Vp UC Metres Contrast Shutdown 2minutes Press W to move to displayed unit press lt orp to increase or decrease displayed value press TDR to return to screen Selected values will be automatically stored 3 7 Backlight The LCD display is fitted with an electro luminescent backlight to enable easy viewing under a variety of different lighting conditions The backlight is switched on and off with the key 3 8 How to determine Vp settings If the TDR TX2003 is to be used with a cable type for which the Vp is unknown this mustfirst be determined 1 Take asample ofthe cable atleast 100m or 300ft long 2 Measure the actual length of cable using a rule or tape measure or some other reliable method 3 Connect the TDR TX2003 and adjust the Vp setting such that the tester gives a correct reading of the sample length Section 4 Using the TX2003 Upon completion of the set up procedures in section 3 press button W and the following test screen will be displayed Vp Setting Impedance setting Z Range scale 7 mirs Battery condition indicator Distance of cursor Cursor Output pulse Scan mode icon indicating scan mode selected Oe a to 10 Attach the test lead set to the TX2003 via the BNC connector located a
10. t the top of the unit 1 Ensure that no power supply or equipment is attached to the cable to be tested 2 Ensure that the far end of the cable under test is open or shorted not fitted with a resistive termination 3 Attach the TX2003 to one end of the cable to be tested Coaxial Cable Shielded Cable a Twisted Pair Multi conductor Cable Coaxial Cable Connect the red clip to the centre wire and the black clip to the shield screen Shielded Cable Connect the red clip to a wire adjacent to the shield and the black clip to the shield Twisted Pair Separate out one pair and connect the red and black clips to the two wires of the pair Multicore Cable Connect the clips to any two wires 11 4 1 Testing a cable Having followed the set up procedures in the preceding sections a typical display showing impedance anomalies is shown below Further examples are shown in section 4 6 Vp 72 Z 1000 129m 180m The vertical cursor line is moved left or right along the line of the trace by pressing lt and buttons to determine the distance to the event Position the cursor at the beginning of the event and read off the distance at the bottom left corner On the fault display shown above a low impedance fault occurs at 64 meters shown by a negative spike and a high impedance at 129 meters The open end of the cable is shown as a large positive spike this is used to determine the end of the cable run and t
11. te Basildon Essex SS13 1BJ UK Tel 44 0 1268 729393 Fax 44 0 1268 727987 Email bicomms dircon co uk Web www bicommunications com 16 17 Communications Innovation through Technology
12. velocity of propergation Vp of the cable under test to be accurately set homogeneity of the Vp along the cable length and accurate cursor positioning 2 3 Accuracy The TX2003 is able to measure distances to faults and cable lengths to an accuracy of 1 This measurement accuracy is based on the correct value of Vp being used for the cable under test and homogeneity of the Vp along the cable length If the Vp is set incorrectly by the operator or the Vp varies along the length of the cable then additional errors will be incurred and the measurement accuracy will be affected Note The Vp is less well defined with unshielded multicore cable including power cable and is lower when a cable is tightly wound on a drum than when installed Section 3 First Operation 3 1 Preparing the TX2003 for use Press button Q to power the tester the following screen will be displayed TX2003 ___ 2 gt 10 R e3 1 Model 2 Software version programmed into tester 3 Battery condition indicator all black battery fully charged as charge decreases symbol changes to white Battery condition indicator is permanently displayed Prior to use the following parameters will need to be set 1 Auto shutdown section 3 3 2 Setcontrast section 4 5 3 Selectunit of measure section 3 4 4 Selectvelocity of propergation section 3 6 3 2 Menu and Screen Displays Level 1 Start up screen To access level 2 menu P
Download Pdf Manuals
Related Search