KEP LFG-50 / PT-14 Underground Cable Locator Set

The KEP LFG-50 & PT-14 Cable route tracing Set, can be used for locating as well as tracing underground metal communications, such as any cables with metal cores as well as metal pipes. In addition, it provides operator with a quick detection of short circuits on cables as well as with an identification of a cable in a bunch.

The KEP LFG-50 Underground Cable Locator is a 50 W low frequency generator with ability to inject a signal of three frequencies via direct connection to an object or via internal transmission loop antenna, which is built-in a cover lid. Basic frequencies are 491; 982 and 8440 Hz. There are options of using a single-frequency or multi-frequency signals at the output.

    KEP LFG-50 Datasheet

    KEP Cable Route Tracing Techniques

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The power of the low frequency generator LFG-50 output signal can be adjusted up to 50 W with 2.5 W steps. This signal can be transmitted constantly or broken into separate blocks of 50 % duty cycle with 1 s repetition rate.

A load matching is made automatically. Main parameters, such as output power, load impedance, selected frequency are shown on OLED display. If a load is higher than 1000 Ω LFG‑50 automatically switches into output voltage setting mode. The output overload protection will trip, when operating on short-circuit loops (lower than 0.5 Ω).

KEP LFG-50 / PT-14 Underground Cable Locator Set MAIN FEATURES:

  • Portable and lightweight
  • Moistureproof and dustproof case
  • Advanced LiFePO4 internal battery with fast charging option
  • High-contrast graphic OLED display
  • Multifrequency operation
  • Operating frequencies can be changed upon request
  • Internal transmission loop antenna
  • Automatic load impedance matching
  • Ability to work with energized 0.4kV cables (inductive connection)
  • Overload protection

Cable Fault Detector PT-14 designed for fast and accurate searching for power cables and other communications, identification of coating defects and the depth, followed by mapping.

KEP LFG-50 Specifications:

Parameter Value
Operating frequencies, Hz 491/982/8440 (other frequencies –

upon request)
Max. Frequencies count, operated simultaneously 3
Output power range, W 0 – 50
Output power regulating step, W 2.5
Frequency selection manual
Operating modes Continuous / Pulse
Loop impedance matching range, Ω 0.5 – 1000
Loop impedance matching mode Auto
Measured parameters ranges:
Output voltage, V RMS 0 – 300
Output current, A RMS 0 – 9.99
Phase angle, º 0 – 90
Pulse duty cycle, % 50
Pulse repetition frequency, Hz 1.0
Internal battery:
 Type  LiFePO4
 Operating voltage, V DC  12
 Battery life, hours  not less than 1
 Average charging time, hours  3
Power supply:
Input voltage, V 230 ± 10 %
Input voltage frequency, Hz 50
Max. power consumption from mains, VA 100
Output voltage, V 12 – 15
Max. output current, А 8
Dimensions, mm 366 × 271 × 178
Net weight, kg, max 8

KEP PТ-14 Tracer specification:

Parameter Value
Operating frequencies, Hz 491/982/8440
Bandwidth:
RADIO mode, kHz 10 − 36
ONLINE mode, Hz 48 − 10 000
Sensitivity, μV 1
Track depth measurment error, %, max 5
Dimensions, mm 700 × 300 × 140
Weight, kg, max 2,4

 

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