LKZ-1500-LITE ● LKZ-1500 –USER MANUAL
TABLE OF CONTENT
1Safety ................................................................................................................5
2Description of the system...............................................................................6
3LKN-1500 transmitter ......................................................................................6
3.1 Operating principle of the transmitter LKN-1500......................................................7
3.2 Design and front panel of the transmitter ................................................................. 7
3.3 Safety measures ...................................................................................................... 8
3.4 Operating the transmitter..........................................................................................9
3.4.1 Signaling of the status and modes of operation of the transmitter......................................9
3.4.2 Direct connection –galvanic mode..................................................................................10
3.4.2.1 Connecting the transmitter to the object....................................................................10
3.4.2.2 Signal frequency selection ........................................................................................10
3.4.2.3 Signal power output settings.....................................................................................11
3.4.2.4 Transmitter operation mode selection .......................................................................11
3.4.2.5 Voltage output limitation............................................................................................12
3.4.3 Non-contact survey current generation in communication line.........................................12
3.4.3.1 Internal transmitter inductor.......................................................................................12
3.4.3.2 Inductive clamps.......................................................................................................13
4LKO-1500-LITE / LKO-1500...........................................................................14
4.1 Principles of operation............................................................................................ 14
4.2 Design and front panel of the receiver ................................................................... 14
4.3 Operating the receiver............................................................................................ 18
4.4 Selection and setting the main parameters via Menu options ................. 18
4.5 Operating modes of the receiver............................................................. 21
4.6 Locating methods................................................................................................... 23
4.6.1 Selection of operating frequency.....................................................................................23
4.6.2 Peak, null and current direction modes............................................................................23
4.6.2.1 Peak mode................................................................................................................24
4.6.2.2 Peak search with 1:4 scale .......................................................................25
4.6.2.3 The null method........................................................................................................26
4.6.2.4 Locating with “Compass line” option .........................................................27
4.6.2.5 Locating by current direction.....................................................................29
4.6.3 Depth and current intensity of the utilities........................................................................30
4.6.3.1 Measurement of depth..............................................................................................31
4.6.3.2 Measurement of current............................................................................................31
4.6.3.3 Indirect 6 dB test method for depth measurement.....................................................32
4.6.3.4 Locating by the utility current.....................................................................................33
4.7 Testing of ground plots........................................................................................... 34
4.7.1 Passive locating without Transmitter ...............................................................................34
4.7.2 Testing of ground plots with LKN transmitter...................................................................35
4.7.2.1 One-man test method ...............................................................................................35
4.7.2.2 Two-man test method ...............................................................................................36
5Methods of locating damaged pipelines and utilities ................................37
5.1 Fault finding with leakage current........................................................................... 37
5.2 Fault finding with insulation control sensors –DKI-E or A-frame................. 37
5.2.1 Insulation fault finding by signal drop...............................................................................38
5.2.2 The search of the insulation failure by the signal rise ......................................................39
5.2.3 Cable breakdown location...............................................................................................40
