DWT Universal AASHTO/EN Double Wheel Tracker

The DWT UNIVERSAL Double Wheel Tracker performing both AASHTO Hamburg Type and EN tests, with unique solutions for the maximum accuracy and reliability

EN 12697-22 | AASHTO T324

Main Features

• 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: 700/705 N by weigths (78-PV33B05/6 models), adjustable from 700 to 1500 N in 100 N steps (78-PV33D05/6 models)
    • 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-PV33B05   78-PV33D05 (1500 N) 78-PV33B06   78-PV33D06 (1500 N)
    Standards	AASTHO T324 / EN 12697-22
    Testing mode	In air and water
    Description	DWT, Hamburg and EN type, double wheel tracker, interchangeable wheels (steel for AASTHO and rubber for EN), wet and dry conditioning
    Material and dimensions (diameter per width) of the two loaded wheels	Stainless steel 203x47 mm Rubber tyre 203x50 mm
    Temperature control method (accuracy ±0.5°C for both water and air)	Air: Three 1200 W electronically controlled air blowers Water: Three 1500 W heaters, re-circulating pump, automatic feed and control level
    Power rating	5500 W

    
    
    
• ordering info
  • 78-PV33B05
    DWT Wet and dry universal double wheel tracker
    Conforming to Hamburg type AASHTO T324 and EN 12697-22 Small Size Device, in-air and in-water conditioning. Complete with both stainless steel and rubber wheels, laptop PC, software and clear transparent sliding doors. Set of moulds to be ordered separately. 
    380 V, 50 Hz, 3 ph+N
    
    78-PV33B06
    As above but 220 V, 60 Hz, 3 ph
    
    78-PV33D05
    DWT Wet and dry universal double wheel tracker
    Wheel load adjustable up to 1500 N (by 100 N steps). Conforming to Hamburg type AASHTO T324 and EN 12697-22 Small Size Device, in-air and in-water conditioning. Complete with both stainless steel and rubber wheels, laptop PC, software and clear transparent sliding doors. Set of moulds to be ordered separately.
    380 V, 50 Hz, 3 ph+N
    
    78-PV33D06
    As above but 220 V, 60 Hz, 3 ph
    
    
• accessories
  • Moulds and trays for 78-PV33B05 / 78-PV33B06 model
    
    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.
    
    78-PV3/002
    Set of two moulds for 360x300 mm (also suitable for 320x260 nn samples by using 20 mm thick plaster spacers), thickness variable from 40 to 100 mm.
    
    78-PV3/005
    Set of trays with handles for double 150 mm diameter cylindrical samples. 77-PV3/003 adaptors for 150 mm dia. cylindrical sample to be ordered separately. Not suitable for use with 78-PV33D0X models.
    
    78-PV3/003
    Set of two moulds adaptors for double 150 mm dia. core (total 4 adaptors made of special self lubricating acetal copolymer), thickness 60 mm, fitted in 78-PV3/002 or 78-PV3/012 360x300 moulds (not included). 
    
    Moulds and trays for 78-PV33D05 / 78-PV33D06 model
    
    78-PV3/011 
    Set of two moulds 400x300 mm, 38 to 120 mm height
    
    78-PV3/012
    Set of two moulds 360x300 (suitable for 320x260 mm slabs), 38 to 120 mm height
    
    78-PV3/003
    Set of two moulds adaptors for double 150 mm dia. core (total 4 adaptors made of special self lubricating acetal copolymer), thickness 60 mm, fitted in 78-PV3/002 or 78-PV3/012 360x300 moulds (not included).