man_digiflex_com_en_02_5.doc 5
TABLE OF CONTENTS
1. GENERAL...................................................................................................9
1.1 ADVICEFROMMEGGER..................................................................................9
1.2 TERMSANDCONDITIONSOFWARRANTY...........................................................10
1.3 SAFETYINSTRUCTIONS..................................................................................11
1.4 INDICATIONSUSEDINTHEDESCRIPTION............................................................12
2. TECHNICALDESCRIPTION........................................................................13
2.1 GENERALDESCRIPTION.................................................................................13
2.2 SPECIFICATIONS...........................................................................................15
2.3 ITEMSSUPPLIEDANDOPTIONALEXTRAS..........................................................19
3. OPERATION.............................................................................................21
3.1 MEASURINGTERMINALS...............................................................................21
3.2 DISPLAY.....................................................................................................22
3.3 FUNCTIONSOFKEYSANDROTARYENCODER.....................................................24
3.4 GETTINGSTARTED(INSERT/REPLACEACCUMULATOR).......................................27
3.5 SWITCHINGONANDOFF..............................................................................27
3.6 MAINMENU..............................................................................................28
3.7 COMPENSATIONOFINITIALREFLECTION...........................................................28
3.8 HOWTOLOCATEAFAULT.............................................................................29
3.8.1 FieldsofApplication........................................................................29
3.8.1.1 FaultsCausingaNegativeReflection.....................................................30
3.8.1.2 FaultsCausingaPositiveReflection.......................................................30
3.8.1.3 FurtherFieldsofApplication..................................................................32
3.8.2 TestingaCablewithKnownNominalVelocityofPropagationNVP
orwithKnownPulsePropagationVelocity(
v
/
2
).............................................32
3.8.3 HowtoDetermineanUnknownNominalVelocityofPropagationor
PulsePropagationVelocity.............................................................................34
3.8.4 SimplificationofFaultLocationUsingComparativeTests..............34
3.8.5 Averaging........................................................................................35
3.8.6 ModeNEXT.....................................................................................36
3.8.7 ModeIFL........................................................................................37
3.8.8 DistancedependingAmplitudecorrection......................................37
3.8.9 HowtoUsetheMarker...................................................................38
3.8.10 ChangeofPulseWidth....................................................................39
3.8.11 SelfTest...........................................................................................40
3.9 MEMORYFUNCTION....................................................................................41
3.10 SERIALINTERFACE........................................................................................43
To Next Page
Loading...
