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Parameter Description
Insulation according to EN 61010-1 double
Measurement category according to EN 61010-1 III 600 V
Housing protection class according to EN 60529 IP67
Power supply 4 x alkaline battery AA
or 4 x Ni-MH rechargeable battery
Maximum operating voltage 500 V RMS
Operating temperature -10°C...+50°C
Parameter Description
Housing protection class according to EN 60529 IP40
Maximum depth of the object to be located (“I” mode) 2 m
Maximum distance of the non-contact probe/NEON probe to the object to be located
Air 50 cm
Concrete 5 cm
Power supply alkaline battery 9 V 6LR61
Operating temperature -10°C...+50°C
Product information

Sonel LKZ-720 – Professional cable locator for precise line and pipe detection

The Sonel LKZ-720 consists of the transmitter LKN-720 and the receiver LKO-720. It is the ideal tool for locating cables, lines and pipes – whether live or de-energized. With its five locating modes, the innovative 3D antenna and high interference immunity, it is indispensable especially in the power and installation sector.

Features

  • Locating live and de-energized cables up to 500 V RMS
  • Precise detection of water and heating pipes
  • 5 operating modes: Voltage, Current, Current-Voltage, Power, Clamp mode
  • 3D antenna for accurate direction finding – even in concrete up to 5 cm depth
  • Uniform and interference-free signal locating
  • Additional probes and measuring clamps for special applications

Special functions of the LKO-720 receiver

  • Simultaneous operation with up to 4 transmitters
  • 3D current flow direction detection
  • LED work light and illuminated display
  • Headphone connection for use in noisy environments
  • USB update function for software updates

Special functions of the LKN-720 transmitter

  • 4 selectable transmit signals
  • Voltage measurement up to 500 V RMS
  • Automatic or manual operating modes
  • Three-stage amplification
  • Transmission of settings and battery status to the receiver

Typical applications

  • Cable and line routing in walls, floors and ceilings
  • Locating sockets and switches
  • Identification of fuses in distribution cabinets
  • Locating cable breaks and short circuits
  • Line tracing in metal ducts and in the ground
  • Locating water, wastewater and heating pipes

Advantages for professional use

The LKZ-720 is designed for precise signal tracing and offers maximum flexibility thanks to the multi-transmitter function. The robust design and user-friendly menu navigation make it the ideal partner for installers, utility companies and maintenance technicians.

Properties
Parameter Description
Insulation according to EN 61010-1 double
Measurement category according to EN 61010-1 III 600 V
Housing protection class according to EN 60529 IP67
Power supply 4 x alkaline battery AA
or 4 x Ni-MH rechargeable battery
Maximum operating voltage 500 V RMS
Operating temperature -10°C...+50°C
Parameter Description
Housing protection class according to EN 60529 IP40
Maximum depth of the object to be located (“I” mode) 2 m
Maximum distance of the non-contact probe/NEON probe to the object to be located
Air 50 cm
Concrete 5 cm
Power supply alkaline battery 9 V 6LR61
Operating temperature -10°C...+50°C