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Wire Rope Tester
The LRM-XXI Diagnostic System for wire ropes and tubes is based on the principle of saturation of steel rope section with the use of permanent magnets and obtaining the Loss of Metallic Area (LMA) traces and Local Flaw (LF) traces. The use of the LMA sensor is essential in this wire rope testing device for indication of a rope weakening due to internal and external corrosion, wear and other structural changes occurring on a length of a rope. LF Sensors detect local changes in a rope structure, eg. due to corrosion or broken wires. Flaws are detected in a whole cross section of a rope.

fd - Local decrease of tested rope metallic cross section area.
s - length of gap between wires ends.
r - eccentrity of damade location.

Shape of signals from OUT LF Sensor (left)
Shape of signals from INN LF Sensor (right)
Shape of signals from LMA Sensor.
  • Designed for round or flat ropes testing.
  • LMA sensor for detecting long changes in the rope cross-section due to corrosion and abrasion effects, lack of wires in the tested section of the rope.
  • LF sensors for detecting local changes, e.g. broken wires, section loss, corrosion pits and other local rope damage.
  • Steel wire ropes, within in range of diameters from 3mm up to 270mm for round ropes can be tested.
  • Conveyor belts
  • Flat steel rubber ropes & Steel tubes
Other Products
LRM Wire Rope Tester

The Microprocessor based diagnostic device enables recording, storage and processing of signals from LRM® Measuring Heads. LRM®XXI Recorder is equipped with:
  • The LCD display indicating direction, speed and length of testing.
  • Built-in memory for 10KM of testing results in a speed range from 0.1 m/s to 5 m/s (optionally from 0.001 m/s).
  • A speed compensation system of testing, for reducing the influence of speed on amplitude of signals from LF sensors.
  • Connection between LRM®XXI Recorder and LRM® Measuring Head via LRM® Signal cable (length 1-30m) equipped with fast detachable connectors.
  • Connection to visualization device via RS232 cable or USB Cable (optionally via Wi-Fi connection).
  • Built-in battery enabling 12H continuous work. Charging of battery by 12v charger(optionally system of quickly charging - 90% of capacity of battery in 1H).
  • Battery level LED indicator.
  • Plastic housing, providing high protection against mechanical damage.
  • All external elements(housing, sockets, switches) providing IP67 degree of protection.
Brochure :
LRM-MH Measuring Heads
  • LRM® - MH - 10 Wire rope dia 3 - 8 mm
  • LRM® - MH - 20 Wire rope dia 6 - 14 mm
  • LRM® - MH - 40 Wire rope dia 12 - 26 mm
  • LRM® - MH - 60 Wire rope dia 20 - 46 mm
  • LRM® - MH - 80 Wire rope dia 40 - 74 mm
  • LRM® - MH - 120 Wire rope dia 70 - 102 mm
  • LRM® - MH - 160 Wire rope dia 96 - 135 mm
  • LRM® - MH - 200 Wire rope dia 130 - 170 mm
  • LRM® - MH - 250 Wire rope dia 170 - 220 mm
  • LRM® - MH - 280 Wire rope dia 220 - 270 mm
  • LRM® - SAG2 Flat ropes width up to 250 mm, thickness up to 35 mm
  • LRM® - MH - 400 For steel rubber conveyor belts
  • LRM® - MH - 600 For steel rubber conveyor belts

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