DWT Double Wheel Tracker, EN version

The DWT Double Wheel Tracker with unique solutions to perform the test with the maximum reliability

EN 12697-22

Main Features

  • Meets and exceeds EN standards 
  • Fully automatic test performance on two specimens or one specimen
  • Variable wheel speed from 20 to 30 cycles/min
  • Fixed table, mobile wheel 230 mm travel
  • Wheel load of 700 N
  • Temperature range from ambient to 80°C (±0.5°C)
  • Accurate temperature control (±0.5°C) for both in water and air test
  • Rut depth transducers feature 50 mm travel, 0.01 mm accuracy
  • Direct rut depth measurement system, with transducers axially mounted in alignment with the wheel's centre
  • Motorized wheel-assembly lifting system for easy removal of slabs
  • Free access to the wide testing area
  • Optional independent lifting system for double or single wheel testing
  • Slab mould size of 400x300 mm
  • Slab thickness adjustable from 40 to 100 mm (in 10 mm steps)
  • Extensive use of stainless steel in the machine's construction; not limited to the parts in contact with water
  • Laptop PC control with dedicated software including results performance, test database management and multiple test elaboration
  • Automatic water filling and leveling system, no need to adjust or control the water level above the specimen during test
  • Possibility to add two optional temperature probes to monitor the two samples temperature
  • The software includes the possibility to program pre-heating and machine start (without operator intervention) and to measure the rut depth measurement in user-defined positions for research purposes or local specifications
  • tecnical specifications
    • Scroll the table
      • Displacement motion: the arm is moving and the carriage is fixed
      • Wheel travel: 230 mm
      • Wheel speed: variable from 20 to 30 cycles/min
      • Wheel load: 700 N
      • Temperature range: ambient to 80°C, ± 0.5°C 
      • Rut depth transducer range: 50 mm, 0.01 mm accuracy
      • Moulds: not included, to be ordered separately
      • Slab thickness: adjustable from 40 to 100 mm in 10 mm steps
      • Overall dimensions (w x d x h): 1540x1020x1600 mm
      • Weight approx.: 600 kg
      • PC and software: included
      Models 78-PV32E05 78-PV33E05
      Standards EN 12697-22 EN 12697-22
      Testing mode In air In air and water
      Description DWT Double Wheel Tracker, dry conditioning version DWT Double Wheel Tracker, wet and dry conditioning version
      Material and dimensions (diameter per width) of the two loaded wheels Rubber tyre 203x50 mm Rubber tyre 203x50 mm
      Temperature control method (accuracy ±0.5°C for both water and air) Three 1200 W electronically controlled air blowers Air: three 1200 W electronic controlled air blowers
      Water: three 1500 W heaters, re-circulating pump, automatic feed and control level
      Power rating 4600 W 5500 W

  • ordering info
    • Dry conditioning series

      DWT Dry double wheel tracker. Conforming to EN 12697-22 (Small Size Device).
      Complete with PC, software and clear transparent sliding door.
      Set of moulds to be ordered separately (see accessories).
      380 V, 50 Hz, 3 ph

      Wet and Dry standard conditioning series

      DWT Wet and Dry double wheel tracker. Conforming to EN 12697-22 (Small Size Device).
      Complete with PC, software and clear transparent sliding doors. 
      Set of moulds to be orderes separately (see accessories).
      380 V, 50 Hz, 3 ph
  • accessories
    • 78-PV3/001
      Set of two moulds for 400x300 mm samples, thickness from 40 to 100 mm, recommended for test according to EN 12697-22 in water or in air.

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