CABLE FAULT LOCATORMEGGER
®
CFL510F
(TDR1000/2)
User Guide
MEGGER
www.
GlobalTestSupply
.com
Find Quality Products Online at:
[email protected]
Страница 1: ...CABLE FAULT LOCATOR MEGGER CFL510F TDR1000 2 User Guide MEGGER www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...
Страница 2: ...t are by necessity accessible The outer sheath for this connector is normally at SELV levels however under single fault conditions it may carry hazardous voltages The operator must therefore verify th...
Страница 3: ...to fault Menu TX Null Velocity Factor Pulse widths Techniques to improve accuracy Care and Maintenance 15 Specifications 16 Symbols used on the instrument are Caution Referto accompanying notes Equip...
Страница 4: ...ons are caused by changes in the cables characteristic impedance such as poor joints or discontinuities Faults showing an impedance higher than that of the cables normal impedance will cause a reflect...
Страница 5: ...nt to be read directly from the instrument Where the VF of a cable is not known but the length is the cursor can be set to the end of the cable and the VF on the TDR adjusted until the correct cable l...
Страница 6: ...leads loosen the battery cover retaining screws and remove the cover Lift out and disconnect the battery holder Replace the cells ensuring that correct polarity is observed shown on the battery holder...
Страница 7: ...ircuit of the TDR to that of the cable under test When correctly adjusted the majority of the displayed transmitted pulse can be nulled out allowing cable features close to the start of the cable to b...
Страница 8: ...value must match the VF of the cable under test to give an accurate distance measurement Menu Allows the user to change the units of measurement for Distance Velocity Factor Impedance and Test Rate Re...
Страница 9: ...internal 50Hz 60Hz filter is automatically switched in Measuring distance to fault Ensure that the whole length of the cable can be seen on the display and that the range selected is correct Find key...
Страница 10: ...beginning of the reflection The distance to the fault can then be directly read from the display NOTE The distance calculation is performed using the velocity factor set in the TDR If this velocity fa...
Страница 11: ...he LEFT or RIGHT cursor keys Available options Description Options Distance Unit The Units in which the distance to m metres or ft feet fault is displayed VF Format TDR velocity factor RATIO m us or f...
Страница 12: ...ight or as a distance per microsecond in ft us or m us If the exact length of cable is known and the reflection from the cable end is visible then an accurate velocity factor can be determined Locate...
Страница 13: ...and the most common and easily implemented methods Test the cable from both ends When fault finding a cable it is good practice to take measurements from both ends Particularly in the case of open cir...
Страница 14: ...e voltage between the terminals exceeds 300V Output pulse 5 volts peak to peak into open circuit Pulse widths determined by range and cable impedance 25 50 75 100 10m 7ns 7ns 7ns 7ns 30m 20ns 20ns 20n...
Страница 15: ...with Electromagnetic Compatibility Specifications Light industrial BS EN 61326 1 with a minimum performance of B for all immunity tests Mechanical The instrument is designed for use indoors or outdoo...
Страница 16: ...420 125 Fused prod and clip set 6111 218 Miniature Clip Test Lead Set 6231 652 User Guide 6172 659 For use on energised systems rated up to 300V CATIII use the fused prod and clip set AVO Part Number...
Страница 17: ...INTERNATIONAL Archcliffe Road PO Box 9007 4271 Bronze Way MEGGER SARL Dover Valley Forge Dallas 29 All e de Villemomble Kent CT17 9EN PA 19484 9007 TX 75237 1017 93340 Le Raincy England U S A U S A P...
