Sonel LKZ-1500, User Manual, Page: 5 / 60

LKZ-1500-
LITE ● LKZ-1500 – USER MANUAL
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TABLE OF CONTENT
1 Safety ................................................................................................................ 5
2 Description of the system ............................................................................... 6
3 LKN-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
4 LKO-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
5 Methods 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