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1205CXB OPERATION MANUAL v1

© Copyright Radiodetection Ltd 2022

8

VOP and V/2

Some users like to use V/2 as an alternative to VOP. V/2 is the speed of the pulse in a cable, in m/µs,
halved. There is a direct relationship between VOP and V/2 as shown in the following tables.

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Содержание 1205CXB

Страница 1: ...1205CXB High Resolution TDR Cable Fault Locator Operation manual 90 1205CXB OPMAN ENG 01 ...

Страница 2: ...1205CXB OPERATION MANUAL v1 Copyright Radiodetection Ltd 2022 2 Inside front cover ...

Страница 3: ...right to modify the product without notice and some product changes may have taken place after this user manual was published Contact your local Radiodetection dealer or visit www radiodetection com for the latest information about the 1205CXB product family including this manual Safety WARNING Failure to comply with safety warnings can cause serious injury or death CAUTION Failure to comply with ...

Страница 4: ... 9 Front panel 9 Features 9 Keypad 9 Display 10 Display features 10 Navigating the Config Cursor and Waveform submenus 11 Launch and reflected pulses 11 Basic operation 12 Menu 13 Technical section 13 System section 13 Save and Load waveforms 14 Save 14 Load 14 Displaying loaded waveforms 15 Deleting waveforms 15 Cable analysis 16 Config menu details 16 Cursor menu details 16 Waveform menu details...

Страница 5: ...lice or joint 18 Bridge tap 19 Water ingress 19 Load coil 19 Return Loss 20 Reflection Coefficient and VSWR 21 WaveView PC software 22 Ordering Information 23 Additional information 24 Specifications 24 Battery 24 Service 24 Care and maintenance 24 Cleaning 24 Compliance 25 Warranty 26 ...

Страница 6: ...ance of the cable and from inductive faults are upwards Reflections from an impedance lower than the characteristic impedance of the cable as well as capacitive faults are downwards NOTE The 1205CXB has been specially designed to analyze coaxial cables but can be used on any cable that contains at least two conductors or one conductor and a metallic screen Velocity of Propagation VOP The propertie...

Страница 7: ... U 0 76 Thicknet 0 77 Thinnet 0 68 Twisted pair 0 66 U UTP cat 5e 6 0 67 UTP26 0 64 Gel 0 912 0 68 Gel 0 643 0 65 Gel 0 511 0 64 Gel 0 404 0 63 Paper 0 643 0 69 Paper 0 511 0 68 Paper 0 404 0 68 PE 0 912 0 69 PE 0 643 0 68 PE 0 511 0 66 PE 0 404 0 65 PTFE 0 71 Air 0 96 Paper 0 70 0 88 Paper Oil Filled PILC 0 50 0 56 Paraffin 0 64 PE 0 67 PTFE 0 71 PE foam 0 82 XLPE 0 52 0 58 Data Phone Power ...

Страница 8: ...ight Radiodetection Ltd 2022 8 VOP and V 2 Some users like to use V 2 as an alternative to VOP V 2 is the speed of the pulse in a cable in m µs halved There is a direct relationship between VOP and V 2 as shown in the following tables ...

Страница 9: ...atures 1 USB port 2 BNC cable connector 3 Display Keypad Button Name Function 4 Power Turn 1205CXB On and Off 5 ConFiGuration Select parameters and auto search in the ConFiG submenu 6 CURsor Select cursor 1 or 2 7 WAVEform Select move or zoom function for a waveform 1 5 6 7 3 8 9 10 13 12 11 2 4 ...

Страница 10: ...eforms and cursors 12 ENTER Confirm menu item or waveform selection 13 ESCape Escape back one step in the menu Display Display features Feature Name Information and use 14 Date Provides date information for stored files 15 Cursor 1 Position for accurate measurement to discontinuities 16 Cursor 2 Position for accurate measurement to discontinuities 17 Launch pulse The pulse sent out by the TDR 18 R...

Страница 11: ...ssing the or buttons Button 5 6 or 7 more than once scrolls the highlighter around the Config Cursor or Waveform submenus to select a parameter or function which you can then change using the arrow buttons For details see the Menu section Launch and reflected pulses The display of the 1205CXB shows a launch pulse at the left hand side of the display and a reflected pulse if any cable imperfections...

Страница 12: ...h the VOP of the cable for analysis using the arrow buttons Buttons 11 a The Left and Right arrows and change the VOP by 1 b The Up and Down arrows and change the VOP by 0 1 5 Press the button again until Search is highlighted then press Button 12 6 The 1205CXB will search for the most significant discontinuity in the cable and place cursor 2 Display feature 16 at the start of the reflected pulse ...

Страница 13: ...XB to search your cable for analysis immediately on power up Live signal check On Off Set the 1205CXB to check for live voltages on your cable for analysis System section Menu item Options Use LCD brightness 0 to 100 in 5 intervals Change the brightness of the display to your preference A lower setting will improve battery life Auto power off Off 0 5 1 1 5 2 2 5 or 3 hours Set the 1205CXB to turn ...

Страница 14: ...se whether to save the waveform as an image IMG as data DATA or as both types The file types are a bmp format for the image file for easy viewing and sharing b btr for the data file for further examination and manipulation in Radiodetection s WaveView program For further details see the separate WaveView User Guide 4 You will see a notification bar during the save process followed by a file saved ...

Страница 15: ...ct how the loaded waveform L is displayed press the button several times until Func is highlighted Use the left and right arrow keys to scroll through LOAD shows L on its own C L shows both L and C C L shows the difference between C and L CABLE shows C on its own NOTE When displaying C L press the button to offset the L waveform from C for easy side by side comparison Deleting waveforms You can de...

Страница 16: ... VOP Also see Velocity of Propagation VOP above Change the VOP otherwise known as the Dielectric to match the cable under analysis for accurate distance measurement The left and right arrow buttons change the VOP by 1 The up and down arrows change the VOP by 0 1 Out Z Match the output impedance of the 1205CXB to the cable for improved signal transfer Thres Threshold is the minimum voltage range ov...

Страница 17: ... once toggles between Zoom and Move In Zoom mode using the up and down arrow keys changes the zoom in the Y axis using the left and right arrow keys changes the zoom in the X axis In Move mode using the up and down arrow keys moves the waveform in the Y axis using the left and right arrow keys moves the waveform in the X axis ...

Страница 18: ...e Open circuit A reflection with the same polarity as the launch pulse indicates a fault with high impedance characteristics The reflection shown at Cursor 2 is a complete open at 99 67m Short circuit A negative or downward reflection indicates a fault with low impedance characteristics The reflection shown at Cursor 2 is a dead short at 330 42ft Cable joint This cable has a joint or splice 19 61m...

Страница 19: ...ection caused by the end of the tap Water ingress This cable system has water ingress starting at 213 5ft from the beginning of the cable The waveform of the wet section will usually appear irregular and noisy Load coil A telephone network load coil will cause an upward high impedance reflection similar to an open circuit TDRs are generally unable to see past a load coil 213 5ft Water ingress 503 ...

Страница 20: ... severe fault causes a large reflection making VR relatively high The dBRL value will therefore be low A minor fault produces a small reflection making VR relatively low The dBRL value in this case will therefore be high In summary NOTE the larger the dBRL reading the smaller the problem and vice versa To display the dBRL of a discontinuity move the cursor to its reflection Continue to move the cu...

Страница 21: ...cluding Reflection Coefficient and Voltage Standing Wave Ratio VSWR There are direct relations between dBRL and these as shown in the following table and graphs dBRL VSWR Reflection Coefficient 1 0 0 0 60 1 0 0 0 34 1 0 0 0 26 1 1 0 1 23 1 2 0 1 20 1 2 0 1 16 1 4 0 2 14 1 5 0 2 12 1 7 0 3 10 1 9 0 3 8 2 3 0 4 6 3 0 0 5 4 4 0 0 6 3 5 7 0 7 2 9 0 8 1 19 0 9 0 199 1 0 0 1 0 ...

Страница 22: ... computer You can pan and zoom easily for looking at the signals in depth WaveView also lets you add notes and make corrections such as to the VOP made in the on site evaluation You can find more detail in the separate WaveView Operation Manual available from the Radiodetection website www radiodetection com You can also download the WaveView program file from the Radiodetection website ...

Страница 23: ...BNC connection cable Contact Radiodetection Standard accessory BNC to Alligator clip connection cable Contact Radiodetection Standard accessory BNC to F type adapter Contact Radiodetection Standard accessory Multi regional USBA charger 26 PKS11 USB Standard accessory USBA USBA cable Contact Radiodetection Standard accessory Nylon carry bag Contact Radiodetection Standard accessory ...

Страница 24: ...st up to date information You can find this at www radiodetection com Service The 1205CXB TDR contains no user serviceable items In the unlikely event of failure please contact your local representative for details of repair or replacement In order to maintain the accuracy of this equipment Radiodetection recommend that you perform an annual calibration and maintenance Please contact your local re...

Страница 25: ...A NMB 003 A EN 55022 Electromagnetic compatibility EMC Directive 2014 30 EU Electromagnetic Compatibility Regulations 2016 IEC EN 623368 1 2014 Low voltage IEC EN 60950 1 LV Directive 2014 35 EU 26 PSK11 USB Charger Electrical Equipment Safety Regulations 2016 Electromagnetic compatibility EMC Directive 2014 30 EU Electromagnetic Compatibility Regulations 2016 10 1205CXB TDR The Restriction of the...

Страница 26: ... sales receipt indicating the date of purchase model name and dealer s name within the warranty period This warranty covers only the hardware components of the Radiodetection product Before a unit is submitted for service or repair under the terms of this warranty or otherwise any data stored on the unit should be backed up to avoid any risk of data loss Radiodetection will not be responsible for ...

Страница 27: ...ucts of a type condition and standard other than prescribed by Radiodetection viii Repair or attempted repair by persons who are not Radiodetection warranted and certified repair houses ix Adjustments or adaptations without Radiodetection s prior written consent including upgrading the product beyond specifications or features described in the instruction manual or modifications to the product to ...

Страница 28: ...dified or used in whole or in part without the prior written consent of Radiodetection Ltd 90 1205CXB OPMAN ENG 01 Visit www radiodetection com Follow us on USA Raymond ME Kearneysville WV Canada Vaughan ON Mississauga ON Europe United Kingdom HQ France Germany The Netherlands Asia Pacific India China Hong Kong Indonesia Australia Our Mission Provide best in class equipment and solutions to preven...

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