Megger TDR 2050 Time Domain Reflectometer
Contents
1. OIC Velocity Factor Use the up and down cursors to set the Velocity Factor to match the cable under test 9p Use the up and down cursors to adjust the impedance for the cable under test OO FE Impedance Only available in manual operation see page 13 JG Use the up and down cursors to alter the gain to adjust visible disturbances on trace OO FE Only available in manual operation see page 13 ft Megger TDR2000 3 VF 0 67R Z 125 dl 2 Sa gt D k HII Pulse width Use the up and down cursors to change the instrument pulse width Only available in manual operation see page 13 OD Cable Range Use the up and down cursors to change the length of the cable under test AI Saving Current Trace Megger TOR2000 3 Megger TDR2000 3 VFO 66R Z 125 d 2 Save Preview Selected trace displayed AN Manage Memory Use cursor keys Selecting the tick saves the results to the selected memory location and the bin deletes the result from the selected memory location Megger Trace taggin Trace Tagging is only available on the TDR2010 and TDR2050 models Trace Tagging allows the user to add a name to all saved traces This could be the circuit ID building name or any2. TDR2000 3 egger Time Domain Reflectometers TDR2000 3 TDR 2000 3P CFL535G TDR2010 TDR2050 User Guide For all units released after 2014 If your instrument differs significantly from this guide then please use the guide supplied with your instrument or call technical services for advice 9 J Tawa le fn gt Tawa e9 dad dad aa O Vv O San Pa dad 0 jem V Megger Safety warnings must be observed during use NOTE THE INSTRUMENT MUST ONLY BE USED BY SUITABLY TRAINED AND COMPETENT PERSONS Users of this equipment and or their employers are reminded that National Health and Safety Legislation requires them to carry out valid risk assessments of all works so as to identify potential sources of danger and risk Please refer to the full list of safety warnings for further information This was supplied in the box your instrument arrived in or can also be found on the support CD and is downloadable from the Megger website CAT II CAT III CAT IV Measurement category Il Equipment Measurement category Ill Equipment Measurement category IV Equipment connected between the electrical outlets connected between the distribution connected between the origin of the and the user s equipment panel and the electrical outlets low voltage mains supply and the distribution panel Measurement equipment may be safely connected to circuits at the mark
3. X 11 1 V 5 2 Ah www megger com Megger Connectivity T gar 18V of ii q 6 DC Used for PC connectivity Lift cover for access avoid stressing Power lead dependant on region LIAD3UUO The main connectivity Is made via standard 4 mm test leads plugged into the dual channel ports Using the supplied adapter connectivity can also be made to the dual F type ports Other standard push on adapters also fit Not available on TDR2050 www megger com 7 Q fe AN v Le U lt Accessories n Yj WN S DP SUN ad N 6231 652 Single miniature clip lead set 4mm A a po ad a lt P AV PS GN P F es P 7 S 1002 136 Dual Fused test leads 1003 352 Mains Charger WEA 7 Ail P sr Dy gt 5 A PY gt 6231 654 Dual miniature clip lead set 4mm 7 W JG Po Ko WIE SHKS A AE EP pa Sy amp SN FV ag ay gor HE 6231 655 Bed of Nails Test Leads 1 Pair 1002 552 Replacement Battery Megger 3 p po O 4 S gt S Iy SP NY 1002 015 Single Fused test leads gt gt VLE S 5 pr SN A oS gm f A yy 2 gt Me I fa EE s a 6231 653 Bed of Nails Test Leads 2 Pairs 1003 218 Terminal adaptor kit KI Megger There are various mounting and carrying options for the TDR2000 series to ensure the user can position their i
4. lt tz or Uru Function Preferences Settings Auto Manual choice Press for next fault Delete Accept Preview Trace 1 Trace 2 Memory Standard Trace DDG Preferences Velocity format Ratio m us ft us Colour scheme Default Outdoor Scheme 1 6 Custom 1 2 Megger EPB u DA S Impedance Gain Pulse Width Range Edit Trace Tag Select current character Shift character set Backspace delete Complete and save AutoFind function Step Trace Brightness 1 10 Language English Dutch Swedish Spanish Italian German French TroubleShooting Appendix B Fault Solution Instrument won t turn on Plug in charger and charge for 6 hours Instrument won t charge Contact your local Megger dealer for a replacement battery Instrument won t charge Contact your local Megger dealer for a replacement charger Instrument keeps turning itself off Plug in charger and charge for 6 hours Instrument keeps turning itself off Access user settings and change standby time Display not visible Access user settings and change colours Display not visible Press standby button to return to display Distance to fault is inaccurate Check VF value for the cable under test and change settings Can t set Velocity Factor Test a known length of cable to determine Velocity Factor VF Impedance Gain Pulse inaccessible Press the escape button and then change to manual Instrument keeps ti
5. Tools menu item Press to access Trace Tools Choose required function Standard trace function The standard trace function allows the instrument to be set up to work as a standard pulse TDR This function should be chosen to turn off other trace functions Standard trace function Change settings as required Press to choose another trace function Megger AutoFind AutoFind allows the automatic detection of disturbances along the result trace making it easier to target disturbances amongst a noisy trace On TDR2000 3 and TDR2010 this function is avaliable from the main screen Press to choose AutoFind Cursor snaps to disturbance Press for next disturbance A D Tl gt n O WV ml J AJ NJ Oo UT Oo O ej lt To cancel the next The Trace Tools icon will then Press choose another trace disturbance feature press the show function back button to return to the main screen Oo Oo LA Oo N ce a nm Nn Oo UW gt LL 09 J Megger FindEnd The FindEnd function allows the automatic detection of the end of the cable On busy or noisy cables this may need to be repeated Press to choose FindEnd Automatically positions a Press to repeat detect end cursor at the d
6. TraceXpert won t load up Incorrect or unstable installation Obtain correct user rites if required and re install TraceXpert TraceXpert won t install on PC Incompatible operating system TraceXpert is compatible with Windows XP Vista 7 and 8 Common fault traces Appendix C Open conductor Shorted conductor Cable splice joint T joint Bridge tap Spilt resplit 7 de a D Water ingress N N www megger com A e e p Q ER or ua Q A D Nn Vv Oo ferd z WJ Q V Megger Specifications Except where otherwise stated this specification applies at an ambient temperature of 20 C General Range Accuracy Up to 20000m with a minimum resolution of 0 1m 1 of range 1 pixel at 0 67VF Note The measurement accuracy is for the indicated cursor position only and is conditional on the velocity factor being correct Resolution Input Protection Output pulse Gain Velocity Factor TX Null Trace Tagging Colour schemes Step TDR DDG Cable Impedance Power Down Batteries Safety EMC Mechanical Case Dimensions Instrument weight Case material 1 of range This instrument complies with IEC61010 1 to protect the user in the event of connection to live systems TDR2050 is rated at 600 V CAT IV whilst all other models are rated at 150 V CAT IV TDR2050 is specifically designed to allow use on energised systems up to the rated vol
7. _ Megger Zoom The zoom capabilities are limited by the range chosen and only zoom modes suitable for the chosen ranges are displayed X1 x2 x3 x4 x5 f QQ Zoom function Press to select Zooms at cursor position LLLI iu QQ fn MIN 100m i 300ft iooi pr AQ 1000ns 200m 20km x1 x2 x3 x4 x5 Minimum range Range Capability Megger Advanced The TDR2000 series have two methods of operation Both options allow the user to set operational parameters In Manual operation the user has full control over the settings in use for the cable under test In Automatic operation the TDR sets the appropriate impedance to the cable and suggests gain and pulse width settings Expert Function allows auto detection of faults on the live traces Manual and Automatic operation gt Q lt D A D Q Manual Automatic Press to swap modes Changes with each press Manual Adjustable in this mode Automatic Adjustable in this mode NOTE Auto in DDG only performs AutoZ not auto settings Megger Battery The TDR2000 series have built in intelligent charge management technology so that the maximum charge rate is maintained meaning a longer battery life is possible Battery information Battery state C
8. other identifying text the user wishes to save with the trace A text string of up to 32 alphanumeric characters can be stored against each trace and this can consist of upper case letters including accents This function is activated Use the navigation buttons Press the hand icon to when choosing a memory to select a letter and the soft add the currently selected location to save a trace to keys to action character You can also press the Press the shift icon to change Press the backspace icon to OK button to accept the the keyboard to the extended delete the last character selection characters Once all characters have been chosen press the save icon to complete the save process A A A You can edit a current trace tag either when you save a trace or when you are choosing a trace for a memory mode function Once you enter edit mode simply use the technique for new trace tags in the previous section When you have finished editing press the save icon to complete the edit and save your changes Q A D D Q 5 Q am D O Oo LA N ce a _ WV Oo UW gt LL 09 wW Megger Trace functions TDR2050 only TDR2050 has a suite of trace tools which provide additional test capabilities These can be found in the Trace
9. andard push on adapters will fit F connectors not available on TDR2050 Test leads TDR2000 3 TDR2010 2m 2x 4mm shrouded connector to miniature crocodile clips TDR2000 3P TDR2050 2 x 1 5 m fused leads CFL535G 2 x Bed of Nails lead set Environmental Operational Temperature 15 C to 50 C 59 to 122 F Storage Temperature 20 C to 70 C 4 F to 158 F Charging Temperature 0 C to 40 C Repair and warranty If the protection of an instrument has been impaired it should not be used but sent for repair by suitably trained and qualified personnel The protection is likely to be impaired if for example the instrument shows visible damage fails to perform the intended measurements has been subjected to prolonged storage under unfavourable conditions or has been exposed to severe transport stresses New instruments are covered by a two year warranty from the date of purchase by the user the second year being conditional on the free registration of the product on www megger com You will need to log in or first register and then login to register your product The second year warranty covers faults but not recalibration of the instrument which is only warranted for one year Any unauthorised prior repair or adjustment will automatically invalidate the warranty These products contain no user repairable parts and if defective should be returned to your supplier in original packaging or packed so that it is protected trom damage durin
10. apacity Typical life remaining Warnings Charging Charging paused AN f Charged Megger Results The cursor lines on the TDR2000 series allow the user to identify disturbances at strategic points to determine distances and positions of potential faults on the trace Cursors and measurements C1 C2 C3 C4 Cursor choice Press to select Swap between cursors Cursor movement Use cursor keys Cursor position on trace C1 C2 Trace 1 Single Trace Mode C3 C4 Trace 2 Dual Trace Mode TOR2000 3 m ft ps C1 C2 C3 C4 Distance measurement Distance to cursor Delta measurement h Megger Tools When in the Setup screen access can be made to a selection of user tools Within the tools function the user can change basic settings and locate current instrument setup information Adjustable setting include Volume Standby Units of measure NVP formats Colour scheme Brightness and Language ao gt Preferences Use cursor keys Up Down to select Left Right to change Help Use cursor keys Function information Custom Press to select Left Right to select Up Down to change Colour schemes There ar
11. cking Ticking is normal due to relays switching input Problem Battery not charged up Battery not functioning Flashing charge icon Charger not functioning LED Battery not sufficiently charged Standby set too low Colour settings incorrect Instrument in power save mode Incorrectly set Velocity Factor Cable Velocity Factor unknown Instrument set to Automatic Dual input function chosen O SE D Un 3 O O Oo Megger TroubleShooting Appendix B Fault Problem Solution Instrument keeps ticking on single input Incorrect connection to cable under test End of cable not determined so unable to reach max range Buttons not responding Keypad error Contact Megger for repair OD c Oo Oo lt N 2 2 gt 2 Can t see end of cable on trace Wrong range chosen From main screen press up navigation button to extend range Can t see fault I know is there Gain set too low In manual mode select and change gain with navigation buttons The trace IS very noisy Gain set too high In manual mode select and change gain with navigation buttons No trace even though leads connected Leads plugged in to wrong channel Connect test leads to correct channel Instrument not uploading downloading USB cable damaged or wrong type Use only genuine Megger cable and check before connecting Instrument won t download data No saved results on TDR Take readings and save results before download
12. e a number of colour schemes available as Standard plus additional custom schemes where you can set your own Press the preferences icon to access the system preferences screen You can use the current scheme as a basis for a custom scheme by pressing the custom scheme pallet Icon From here you can change any of seven elements that make up all screens Use the up and down navigation buttons to change the colour for the chosen element Once finished setting your colours press either the custom 1 or custom 2 icons to save that scheme The scheme currently stored in that custom slot will be overwritten Op Use the left and right Megger 3 EO po navigation buttons to change the current scheme C Use the left and right navigation buttons to choose an element After saving your custom scheme press the back button to return to the main screen A O c N m gt D 3 D Vi gt n A A o Mode v Single channel mode Dual channel mode Intermittent mode tT Crosstalk Le Save gt Load saved trace C3 C4 Cursor controls QA Zoom function Help IN Trace Functions I FindEnd Pe Speaker On Off Ea Power down timer 1 5 10 min Never in Unit of measurement Meters Feet Nanoseconds AUTO MAN Trace Functions JA far
13. ed rating or lower Battery information This instrument runs on a Lithium lon battery which should be maintained to maximise health reliability and longevity There are a few simple things that you can do to help maintain your battery health and power potential 1 Allow your battery to charge fully before using the instrument Fully charging the battery before use will ensure it can perform at peak performance and make maintaining performance easier 2 Keep your battery charged up whenever possible while in use A Li lon battery prefers frequent top ups and should never be left in a flat state for extended periods as this can cause permanent damage 3 Maintain a charge during storage If your battery is to be stored for extended periods maintain a charge of 40 allowing for some discharge and maintaining the protection circuit 4 Store your battery in a cool dry place Li ion batteries can get stressed when exposed to heat which can reduce its life Do not store above 30 C 86 F for extended periods WEEE Directive The crossed out wheeled bin symbol placed on Megger products is a reminder not to dispose of the product at the end of its lite with general waste Megger is registered in the UK as a Producer of Electrical and Electronic Equipment The Registration No is WEE HEO146QT For further information about disposal of the product consult your local Megger company or distributor or visit your local Megger website Battery dispo
14. etected end of the current cable To cancel the repeat detect The Trace Tools icon will then Press choose another trace end feature press the back show function button to return to the main screen Megger Distance dependent gain DDG DDG counteracts the effects of signal loss on a cable by gradually increasing the gain along the trace result DDG is suitable for longer length cables and is available on ranges of 1000m and above Megger TOR2000 3 Megger TDR2000 3 Megger TDR2000 3 VF 0 67R a 100m 9 gt 3 Ww ED 6 Distance dependent gain Adjust DDG Press choose another trace Single press increments by function 0 1 dB Press and hold increments by 0 5 DB Step TDR feature The injected signal is started and then maintained at the same level giving a constant signal The receiver is also constantly set to receive any reflections This function is ideal for near end testing as it is more sensitive than a Pulse TDR due to the constant signal The Step TDR function is only suitable for shorter length cables and is available on ranges up to and including 500m Step TDR function activation Change settings as for pulse Press choose another trace TDR function Q A D Tl GC gt A et O gt VW J AJ NJ UT O m lt
15. g transit Damage in transit is not covered by this warranty and replacement repair is chargeable Megger warrants this instrument to be free trom defects in materials and workmanship where the equipment Is used for its proper purpose The warranty is limited to making good this instrument which shall be returned intact carriage paid and on examination shall disclose to their satisfaction to have been defective as claimed Any unauthorised prior repair or adjustment will invalidate the warranty Misuse of the instrument from connection to excessive voltages fitting incorrect fuses or by other misuse is excluded from the warranty The instrument calibration is warranted for one year This Warranty does not affect your statutory rights under any applicable law in force or your contractual rights arising trom a sale and purchase contract for the product You may assert your rights at your sole discretion Calibration service and spare parts For service requirements for Megger Instruments contact Megger or your local distributor or authorised repair centre Megger operates fully traceable calibration and repair facilities ensuring your instrument continues to provide the high standard of performance and workmanship you expect These facilities are complemented by a worldwide network of approved repair and calibration companies to offer excellent in service care for your Megger products See the back of this user guide for Megger contact detail
16. nstrument securely and efficiently O 5 5 to O VW a 2 ct WV www megger com Megger Mode The TDR2000 series can be set up to work for several different applications This will allow the user to specify how the instrument receives processes and displays test readings The testing options for each mode are shown on the line adjacent to the icon for the specific mode Selecting Mode HIII Change mode Press to select Use cursor keys Choosing a mode res Big 10 JO E aS Single Channel mode Choose T1 or T2 Press key indicated to change E Bg Dual Channel mode Choose T1 T2 T2 T1 T1 amp T2 Press key indicated to change neg Bre gt gt Crosstalk Choose T1 or T2 Press key indicated to change www megger com 8 Load saved trace Choose T1 M T2 M M Press key indicated to change m gt HE Intermittent mode Choose T1 or T2 Press key indicated to change www megger com 9 Megger General General functions are available from the main screen and be accessed using the left and right navigation keys and appropriate selection buttons The instr
17. s Details of your Authorised Service Centre is available by contacting ukrepairs megger com and giving details of your location J D D gt N 5 2 D a a Q 5 et lt 0 D o 3 Q et O un D lt A D N 5 2 Un D J A sng eh WV Megger Limited Archcliffe Road Dover Kent CT17 9EN England Tel 44 0 1304 502100 Fax 44 0 1304 207342 Megger SARL Z A Du Buisson de la Couldre 23 rue Eug ne Henaff 78190 TRAPPES France Tel 33 1 30 16 08 90 Fax 33 1 34 61 23 77 Seba Hungaria Kft 1027 Budapest Vit z u 14 a Magyarorszag Tel FAX 36 1 214 2512 Mobil 36 20 9654 297 Megger 4271 Bronze Way Dallas TX 75237 1017 U S A Tel 1 800 723 2861 U S A only Tel 1 214 330 3203 International Fax 1 214 337 3038 Megger GmbH Obere Zeil 2 61440 Oberursel Germany Tel 49 6171 92987 0 Fax 49 6171 92987 19 Megger Pty Limited Unit 26 9 Hudson Avenue Castle Hill Sydney NSW 2125 Australia T 61 0 2 9659 2005 F 61 0 2 9659 2201 This instrument is manufactured in the United Kingdom The company reserves the right to change the specification or design without prior notice Megger is a registered trademark www megger com TDR20003 TDR20003P TDR2010 TDR2050 CFL525G UG EN V01 Megger Valley Forge Corporate Center 2621 Van Buren Avenue Norristown PA 19403 USA Tel 1 610 676 8500 Fax 1 610 676 8610 Megger S
18. sal The crossed out wheeled bin symbol placed on the batteries is a reminder not to dispose of them with general waste at the end of their life This product contains the following batteries Li ion rechargeable battery They are located under the battery cover at the rear of the instrument They can be safely removed by following the instructions in the battery replacement section of this guide Spent Li ion batteries packs are classified as Industrial Batteries For disposal in the UK contact Megger Ltd For disposal of batteries in other parts of the EU contact your local Megger branch or distributor Megger is registered in the UK as a producer of batteries The Registration number is BPRNO00142 For Further information see www megger com www megger com Safety Battery Features Connectivity Accessories A O gt e D gt ot WU Mounting possibilities Q lt O C O O D D v Trace tagging Trace functions TDR2050 only N O O Advanced JJ UD TE cr c D 5 Un lt O O N Colour schemes Glossary Troubleshooting Common fault traces Specifications Repair and warranty Calibration service and spare parts www megger com Vv Q rd 0 LL Hold Mode NEGERI Selection Navigation Ne Back if O Standard C tripod mount ze Battery E E Battery N Access J
19. tage All other models are designed for use on de energised systems and Megger fused leads must be used on power cables Up to 20 volts peak to peak into open circuit Pulse widths determined by range cable and model used Set for each range with user selectable steps in Manual operating mode Variable from 0 2 to 0 99 in steps of 0 01 Automatic mode 32 alphanumeric characters chosen from upper case letters including accents Selectable TDR2000 3 x2 TDR2010 TDR2050 x8 Custom TDR2000 3 x1 TDR2010 TDR2050 x2 Eliminates the Dead Zone effect Available in ranges 1000 m and above Adjust DDG Single press increments by 0 1 dB Press and hold increments by 0 5 DB 25 50 75 100 125 140 ohm AUTO model dependent User programmable auto power off timer 1 5 10 minutes or off Li lon rechargeable battery with 12 hours typical life IEC61010 1 compliant for live systems TDR2050 600 V CATIV All other models 150 V CAT IV or 300 V CAT III EN60950 1 EN61010 1 UN38 3 and EN62133 Complies with Electromagnetic Compatibility Specifications BS EN 61326 1 B min for all immunity tests The instrument is designed for use indoors or outdoors and is rated to IP54 290 mm 11 4 inches x 190 mm 7 5 inches x 55 mm 2 2 inches 1 7 kg 3 8lbs ABS Display 800 x 480 pixel WVGA colour graphics LCD viewable in external environments user selectable colour schemes Connectors Four 4mm safety terminals and two F connectors Other st
20. ument is also able to save and preview traces enabling the user to maintain a database of information for downloading to a PC to create reports or to use in other custom applications Navigation Use cursor keys Use soft keys to select 4 65 3 HIII Range 10 m min to 20 km max in 11 steps 30 60 000 ft The currently selected range is shown at top right of the screen Operational state The current operational state is shown at the top left of the screen and identifies the current operational setting for the chosen screen Icons displayed are specific to the function EMAN IB Current operational state Current operational state Change current state using Currently in Manual Currently in Setup operation the appropriate button operation www megger com Megger Setu The user has the ability to change various settings for the live trace ranging from the velocity factor to the gain applied to the trace These settings can be accessed via the setup icon Accessing Setup AUTO MAN 000000 dn as Press to select Automatic mode Manual mode Adjusting the Setup Options
21. weden AB Rinkebyv gen 19 182 36 Danderyd Tel 46 8 510 195 00 Fax 46 8 510 195 95 Megger Limited Unit 106 550 Alden Road Markham Ontario L3R6A8 Canada T 1 416 298 9688 Canada only T 1 416 298 6770 F 1 416 298 0848 S D Ce T D gt INOS YS 55D A MMM EJ
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