Tempo Fitness Cable Scout TV90 Скачать руководство пользователя страница 8

8

Important Safety Information

Electric shock hazard:
Measuring terminals: This tool is not intended to 

be  connected to voltages above 30 VAC or 60 VDC 

 (referenced to earth).
Failure to observe this warning could result in severe 

injury or death.

Fire hazard:
Do not operate this tool in an explosive atmosphere.
Failure to observe this warning could result in severe injury or death.

Electric shock hazard:

Recharge batteries properly. Recharge batteries for the recommended 

• 

charge cycle time only.
Do not remove the covers or panels of the unit, nor operate the unit 

• 

without the covers and panels in place.
Do not operate with suspected failures. If you suspect there is damage to 

• 

this product, have it inspected by qualified service personnel.

Use this unit for the manufacturer’s intended purpose only, as described 

• 

in this manual. Any other use can impair the protection provided by the 

unit.

Failure to observe these precautions may result in injury and may damage 

the unit.

Batteries:

 The unit is powered by either a NiCad battery pack or six AA 

alkaline batteries (9 V total). Dispose of depleted batteries in accordance with 

Local, State, and Federal Laws.

Fuse:

 The unit contains a 1.5 A fast-acting fuse, which is 

not

 user replaceable.

Содержание Cable Scout TV90

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Страница 3: ...ron Inc Disclosure copying reproduction merger translation modification enhancement or use by anyone other than authorized employees or licensees of Greenlee Textron Inc and its affiliate companies without prior consent of Greenlee Textron Inc is prohibited 52040567 REV 2 2008 Greenlee Textron Inc 8 08 Read and understand all of the instructions and safety information in this manual before operati...

Страница 4: ...ector 11 Powering Up the TV90 12 Testing a Cable 13 Additional Setup 14 Battery Removal Replacement 15 NiCad Battery Charger 16 Cleaning the Unit 16 Specifications 17 Standard Accessories 18 Warranty Service Contract Information 19 Reference Guide Time Domain Reflectometer Principles 22 Time Domain Reflectometer Concepts 23 Sample Waveforms 25 TV90 Quick Reference 27 Coax Cable Vp Table 29 ...

Страница 5: ...5 TV90 CableScout User Guide ...

Страница 6: ...m for easy event identification Safety Safety is essential in the use and maintenance of Tempo tools and equipment This manual and any markings on the tool provide information for avoiding hazards and unsafe practices related to the use of this tool Observe all of the safety information provided Purpose of This Manual This manual is intended to familiarize all personnel with the safe opera tion an...

Страница 7: ...vides information for preventing or avoiding the hazard Immediate hazards which if not avoided WILL result in severe injury or death Hazards which if not avoided COULD result in severe injury or death Hazards or unsafe practices which if not avoided MAY result in injury or property damage Read and understand this material before operating or servicing this equipment Failure to understand how to sa...

Страница 8: ...overs or panels of the unit nor operate the unit without the covers and panels in place Do not operate with suspected failures If you suspect there is damage to this product have it inspected by qualified service personnel Use this unit for the manufacturer s intended purpose only as described in this manual Any other use can impair the protection provided by the unit Failure to observe these prec...

Страница 9: ...75 ohm F connector Intermittent fault location Context sensitive Help Help screens available for all functions Small portable lightweight package 2 2 lb Accurate 2 ft up to 200 ft 1 beyond 4000 ft fault location capability Internal cable types for fast accurate testing Applications Find location of damage in drops Find impedance mismatches Locate bad passive devices Determine length of cable ...

Страница 10: ...n the current display and the operation of the controls Press HELP a second time to remove the help display In selected menus Lesson softkeys are available that provide tutorials about using the unit Backlight Press this button to switch the display back light on and off The instrument default is OFF and when the user turns on the instrument the backlight is always OFF The backlight button can onl...

Страница 11: ...function Softkeys let you 1 change functions or modes 2 select a menu item and 3 turn functions on and off Left right up and down arrow buttons serve the functions of moving the cursor left and right across the displayed waveform chang ing values and raising or lowering gain or scrolling through a menu Connector Input F Connector This connector consists of an F connector adapter for connecting to ...

Страница 12: ... the rest Press Setup to select the cable type The cable type defines the velocity of propagation Vp and cable loss values for the test cable Press pq to select the cable type to be tested Then press Exit to go to Autotest mode If your cable type is not listed on the User List refer to Coax Cable Vp Table in the Reference Guide section of this manual OR Press Test to use the previous cable setup P...

Страница 13: ... shows both distance from zero to the cursor and distance from the marker to the cursor When set marker is always located and remains at the current position of the cursor EXPAND Expands the waveform around the cursor FULL VIEW Returns the waveform to normal view LESS CABLE or MORE CABLE Press LESS CABLE or MORE CABLE to look further in or further out along the cable Less Cable and More Cable decr...

Страница 14: ... create or change custom cable types MORE SETUPS Allows you to change the default settings for the TV90 including the following DISTANCE UNITS Feet Nanoseconds or Meters VELOCITY OF PROPAGATION UNITS percent speed of light 0 XXX or Feet per Nanosecond FT μS or Meters per Nanosecond M μS DISPLAY CONTRAST Adjusts the display contrast for viewing AUTO SHUTOFF TIME 5 to 30 minutes or Disable when unit...

Страница 15: ...to continue operation of the unit Bottom Case Half Captive Screws 2 Always replace all six cells at the same time Never mix new and old cells Never mix cell types alkaline and non alkaline Insert cells as shown in the battery holder reversed cells may leak and damage the instrument Use a flat blade screwdriver to loosen the two captive screws attaching the battery door holder to the unit ...

Страница 16: ... be recycled or disposed of properly Charge Time A fully discharged battery pack is recharged in one hour A partially dis charged battery pack recharges in less time Cleaning the Unit Remove dust from the outside of the instrument by wiping with a lint free cloth or small brush Use the brush to remove dust from the connectors Clean the remaining dirt with a lint free cloth dampened with a mild det...

Страница 17: ...s averaging Distance Accuracy 0 to 200 ft 2 ft Beyond 200 ft 1 zero offset Display Resolution 520 x 200 pixels Size 5 25 inches Type High contrast LCD Backlight Operator switchable Distance Measurements Meters feet nanoseconds Auto Shutoff Time Operator selectable 5 to 30 minutes Temperature Range Operating 0 C to 45 C 32 F to 113 F Non operating 20 C to 60 C 4 F to 140 F Humidity Operating 95 RH ...

Страница 18: ...to KS Test Adapter 131636100 Soft Carrying Case TS90 350 Users Manual TV90 3000 Six AAAlkaline Batteries 0010 0030 Rechargeable NiCad Battery Pack THM5BAT External Charger for NiCad Battery Pack THM5CHG Includes DC Adapter Charger Pedestal and one of the following wall transformers specify when ordering Standard 110 V US Opt A1 220 V Universal Europe Opt A2 240 V UK ...

Страница 19: ...er If product returned to Seller or Seller s Authorized Repair Agency or made available to Seller or Seller s Authorized Repair Agency on site for repair as provided for in this clause is determined to be beyond repair Seller or Seller s Authorized Repair Agency will promptly so notify Buyer and unless otherwise agreed to by the parties ship replacement product without charge within five 5 days of...

Страница 20: ...ng and product coverage are available for nonwarranty repairs The sales department negotiates these contracts PCB MODULE EXCHANGE It is the discretion of Tempo to exchange defective or damaged PCB modules with refurbished PCB modules NON WARRANTY REPAIRS Tempo will charge time and material for all product repairs that are non warranty Any Tempo manufactured unit that is received with a broken seal...

Страница 21: ...21 TV90 CableScout Reference Guide ...

Страница 22: ...h as Taps Splitters Couplers Loop Extenders etc as well as accurately pinpointing trouble such as Shorts and Opens A TDR can also provide a rough estimate of the total amount of cable that is wet and the exact location of the wet section The TDR displays a graph of the tested cable with distance time to reflection on the horizontal axis The on screen cursor helps by displaying feet or meters to a ...

Страница 23: ...object travels at different speeds through different thickness of liquids Vp varies between cable types sizes and manufacturers and the type of insulation and cross section geometry of a cable will affect the velocity of a pulse Identifying the correct Vp for the cable being tested is imperative to have accurate distance measurements Cable Impedance Cable impedance is made up of resistance inducta...

Страница 24: ...leading edge is the precise point where the waveform breaks the plane above or below the pulse reference line MARKER A Cursor or Marker can be set at the Leading Edge of the pulse break so that distances can be read on the TDR Markers may be moved anywhere on the screen to mark distance from the left hand zero reference point GAIN Acts like an amplifier control Adjusts the vertical amplitude heigh...

Страница 25: ...E Note The TDR will not see beyond the Amplifier Properly Terminated Cable No Event Present E F Continuous Line E Launch pulse F End of cable with proper 75 ohm Termination is not present the waveform appears as a continuous line Note A Terminated Cable normally 75 ohm will absorb the pulse resulting in no reflection returned back from the end of the cable ...

Страница 26: ...d Coaxial Taps G H G H Distance to each Tap Note The quality of connection and the Tap Value will determine waveform and the amount of reflection Open in Coax Cable I I Distance to Open Short in Coax Cable J J Distance to Short ...

Страница 27: ...UP 3 Use pq to select the cable type to be tested 4 Connect the cable under test to the TV90 5 Press TEST TYPE 6 Use pq to select type 7 Press EXIT 8 Press MORE CABLE until the reflection is seen 9 Use pq Gain Adjustment to adjust the waveform height 10 Press tu to move the cursor to the leading edge of the reflection Typical Open Typical Short ...

Страница 28: ...he waveform height 10 Press tu to move the cursor to the beginning of the wet section see A below This is the distance to the water 11 Press tu to move the cursor to the end of the wet section see B below 12 A to B is the wet section A B End of Cable Typical Wet Section Note The distance from the launch point zero to the water A is correct The wet section distance A to B is not correct due to the ...

Страница 29: ...KURA 8C 5AF 12C 5AF 17C 5AF 0 900 FURUKAWA AH C 8ZE 12ZE 17ZE 0 910 GENERAL MC2 0 93 IKX 0 67 NKX 0 877 QKX 5C 5A 0 887 SCIENTIFIC ATLANTA Trunk 0 87 Drop 0 81 SKX 0 887 SUMITOMO 5C 5A 8 C 12 C 17 C 0 880 SYOUWA MFH 8AC 12AC 17AC 0 910 TC3 TC4 0 88 TIMES FIBER Trunk Dist T4 6 10 T10 412 500 625 750 875 1000 0 87 Dynafoam 0 90 Drop T4 6 10 0 83 TX10 0 89 T10 59 6 611 11 0 85 TRILOGY 59 6 7 11 0 82 ...

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Страница 32: ... 92081 Tel 760 598 8900 800 642 2155 Fax 760 598 5634 M F 7 00 a m 4 30 p m Pacific Time Suite 8 Brecon House William Brown Close Cwmbran South Wales NP44 3AB UK Tel 44 0 1633 627710 Fax 44 0 1633 627711 www tempo textron com ...

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