Amprobe A-5000 Sheath Fault Locator - Manual (Page 96)

94
A-5000
Sheath Fault Locator (sökning av mantelfel)
INNEhåLL
Inledning ..................................................................................................................................................................................................... 5
Allmän information och säkerhet ............................................................................................................................................................. 5
Symboler som används i denna handbok ........................................................................................................................................... 5
Säkerhetsåtgärder ................................................................................................................................................................................ 5
Snabbguide till A-5000 Sheath Fault Locator för den erfarna användaren ........................................................................................... 5
A-5000-mottagarens tekniska specifikationer ......................................................................................................................................... 8
Linjära A-ramar till telekomledningar ................................................................................................................................................. 8
A-rammottagarens reglage och indikatorer ....................................................................................................................................... 8
Driftsprinciper ............................................................................................................................................................................................ 9
Funktionell teori ................................................................................................................................................................................... 9
Förfarande för kalibreringstest ............................................................................................................................................................... 12
Användning .............................................................................................................................................................................................. 13
Synkronisera A-rammottagaren ........................................................................................................................................................ 13
Bekräfta att ett fel föreligger ............................................................................................................................................................ 13
Spåra kabeln med R-5000-mottagaren ............................................................................................................................................. 13
Fastställa platsen för felet .................................................................................................................................................................. 13
Verifiera felet ...................................................................................................................................................................................... 14
Avancerade tekniker ................................................................................................................................................................................ 14
Fel under otillgängliga underlag ....................................................................................................................................................... 14
Fel under gatubeläggning ................................................................................................................................................................. 15
Långdistansspårning ........................................................................................................................................................................... 15
Fel med hög och låg impedans .......................................................................................................................................................... 16
Flera fel ................................................................................................................................................................................................ 16
Underhåll .................................................................................................................................................................................................. 16
Batteribyte för A-5000-mottagaren .................................................................................................................................................. 16
Tekniska specifikationer .......................................................................................................................................................................... 17
Bilaga ........................................................................................................................................................................................................ 17
APWA märkfärger .............................................................................................................................................................................. 17