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TDR1000/3

TDR1000/3P

CFL510G

TDR500/3

Time Domain Reflectometers

User Manual

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Содержание CFL510G

Страница 1: ...TDR1000 3 TDR1000 3P CFL510G TDR500 3 Time Domain Reflectometers User Manual...

Страница 2: ...l testing procedure 14 Operating modes 14 Connection to cable under test 15 Velocity factor 17 Pulse widths 18 Techniques 19 Test the cable from both ends 19 Care and maintenance 19 Battery 20 Battery...

Страница 3: ...correct lead set The operator must verify that the circuit is safe before testing and take the appropriate precautions Ensure that hands remain behind guards of probes clips when testing The instrumen...

Страница 4: ...RISK OF DANGER t EQUIPMENT PROTECTED THROUGHOUT BY DOUBLE INSULATION OR REINFORCED INSULATION c EQUIPMENT COMPLIES WITH RELEVANT EU DIRECTIVES EQUIPMENT COMPLIES WITH AUSTRALIAN EMC REQUIREMENTS C tic...

Страница 5: ...will cause a reflection of the same polarity i e positive while faults with impedance lower than that of the cable will cause a negative going reflection Matched cable terminations absorb all the puls...

Страница 6: ...aximum power can be transmitted into the cable allowing long cables to be tested If the impedance of the cable under test is unknown the auto impedance function may be used to determine the cable impe...

Страница 7: ...is an audible tone on key presses A low tone means the key is invalid Left Right Arrows used in setup Backlight Hold key Four Way Joy Switch Mainly controls range and cursor Rotary Switch Turn to OFF...

Страница 8: ...8 Display Battery State Indication Cursor 1 Cursor 1 Position Distance Between Cursor 1 and 2 Cursor 2 Position Hold Indicator Cursor 2 Range Impedance Velocity Factor...

Страница 9: ...position to turn the instrument on The instrument may be turned off by switching to OFF or the instrument may switch itself off if it has not been used for 5 minutes or the battery is exhausted The ot...

Страница 10: ...10 Range Cursor Control The range is set using the four way switch press up to increase the range and down to reduce the range Moving the four way switch left or right will move the active cursor...

Страница 11: ...th no key press when activated or it may be switched off by pressing the key again Hold key When the rotary switch is set to cursor 1 cursor 2 or Auto pressing the hold key will place an image of the...

Страница 12: ...tance to be accurate Refer to the section in this user guide for further information Impedance The impedance is a characteristic of the cable under test and needs to be set correctly for the best disp...

Страница 13: ...he preferred settings Use the setup mode to set the velocity factor and impedance of the cable about to be tested Refer to Velocity factor later in this text for details Operating Modes Auto Impedance...

Страница 14: ...less than 150 V with an installation over voltage category of I V or lower This means that the instrument may be connected to any to primary supply circuits such as overhead cables The voltage must be...

Страница 15: ...f the cable to ensure that you are seeing the whole length of the cable The range may be changed by moving the four way switch up and down and the cursor moved using the LEFT and RIGHT joy switch Move...

Страница 16: ...the known length of cable with the instrument set on the shortest possible range to see the end of the cable Locate the start of this reflection as described in the Operation section of this manual A...

Страница 17: ...nce to fault is not affected by the length of the pulse However if two or more features exist close together excluding open or short circuits then the second or subsequent feature may be partially mas...

Страница 18: ...end of the cable is visible on the display the reflections after the fault may be too obscure to analyse clearly In this case measurement from both ends yields a clearer picture as well as improved ac...

Страница 19: ...or battery replacement a Remove old batteries b Refit new batteries following correct polarity as marked on the battery holder c Replace the battery cover d Tighten Screws e Do not mix old and new bat...

Страница 20: ...kaline and NiMH batteries are classified as portable batteries and must be disposed of in accordance with local regulations For details contact your local distributor Battery Indicator The battery sta...

Страница 21: ...erating mode Velocity Factor Variable from 0 2 to 0 99 in steps of 0 01 Power Down Automatic after 5 minutes with no key press Backlight Stays on for 1 minute with no key press when activated Batterie...

Страница 22: ...ensions 230 mm 9 in x 115 mm 4 5 in x 48 mm 2 in Instrument weight 0 6 kg 1 32 lbs Case material ABS Connectors 19 mm Spaced Two 4 mm safety terminals Display 256 x 128 pixel Graphics LCD Environmenta...

Страница 23: ...is a reminder not to dispose of the product at the end of its life with general waste Megger is registered in the UK as a producer of electrical and electronic equipment The Registration Number is WEE...

Страница 24: ...used test lead set 1001 789 CFL510G Time Domain Reflectometer includes Bed of Nails test lead set and BNC adapter 1001 790 Accessories User information CD 2002 178 Hard carry case 5410 420 Miniature c...

Страница 25: ...or Fused test lead set 1 pair Megger Part Number 1002 015 Retractable sheath fused test lead 1 pair Megger Part Number 1006 511 must be used on power systems Other test leads and the BNC adapter must...

Страница 26: ...s FOR INSTRUMENT WARRANTY DETAILS PLEASE REFER TO WARRANTY CARD SUPPLIED WITH INSTRUMENT Note Any unauthorized prior repair or adjustment will automatically invalidate the Warranty CALIBRATION REPAIR...

Страница 27: ...derside of the case or on the calibration certificate Reason for return e g calibration required or repair Details of the fault if the instrument is to be repaired 2 Make a note of the RA number A ret...

Страница 28: ...4 337 3038 MEGGER GMBH OBERE ZEIL 2 61440 OBERURSEL GERMANY TEL 06171 92987 0 FAX 06171 92987 19 MEGGER VALLEY FORGE CORPORATE CENTRE 2621 VAN BUREN AVENUE NORRISTOWN PA 19403 USA TEL 1 610 676 8500 F...

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