Controls Group http://www.controls-group.com/images/logo_controls.gif MULTISPEED automatic universal tester with touch screen digital speed control and data acquisition MULTISPEED automatic universal tester with touch screen digital speed control and data acquisition
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Asphalt/bituminous mixture

MULTISPEED automatic universal tester with touch screen digital speed control and data acquisition

suitable for CBR, Marshall, indirect tensile, unconfined compression and many otherdisplacement controlled tests

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EN 12697-34 | ASTM D1883 | ASTM D1559 | ASTM D5581 | AASHTO T245 | EN 12697-12 | EN 12697-23 | ASTM D4123 | NF P98-251-1/4 | BS 598:107 | BS 1377:4 | NF P94-078 | AASHTO T193 | EN 13286-47 | ASTM D6927 | DIN 1996 | UNI CNR 10009 | CNR 30 | CNR 34
Main features
  • Stand-alone automatic digital load frame
  • Closed-loop speed control
  • Four channel on board data acquisition
  • CBR and MARSHALL test speed can be selected by default
  • Speed calibration function by firmware.
  • Integrated transducer calibration facility
  • Infinitely variable speed from 0.05 to 51 mm/min can be easily set by keyboard
  • Selection of maximum platen displacement with automatic stop
  • Rapid approach and return function, to reduce the testing time

 

General description
General description

The new automatic MULTISPEED 34-V1172 is a versatile stand-alone machine; an ideal solution for road testing laboratories and generally for any test that requires displacement/speed control. The 50kN capacity and fully variable speed of 0.05 to 51 mm/min make it possible to perform not only CBR and Marshall tests, but also many other applications such as indirect tensile, quick undrained triaxial and unconfined/uniaxial soil tests.

The MULTISPEED tester features a rigid two-column structure with an upper crossbeam which can be set at various heights. The load jack, DC motor and controls are housed in an ergonomic cabinet. Automatic control of the test speed/travel is ensured by the microprocessor. Prior to the test, the operator can impose travel limits for automatically ending the test. No external transducer is required for displacement measurement. The firmware allows performance of transducer calibrations and setting of up to 10 test profiles, saving data onboard. A real-time test graph and transducer data are displayed on the touchscreen. The machine has built-in data acquisition with four channels dedicated to two strain gauge load cells and two potentiometric linear transducers; one of each can be used during the test. An important feature is provided by the processing unit that controls the speed in a closed-loop mode, avoiding speed calibrations and tension fluctuation effects. The user-interface is a  large touchscreen graphic display supplied with a stylus pen. The front panel is fitted with an emergency button for prompt stopping of the machine.
Test data can be stored on a USB pen drive or downloaded through a LAN communication port in Controls, txt or ASCII format. All the accessories have to be ordered separately.

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Technical specifications

Maximum capacity: 50 kN         
Infinitely variable test speed from 0.05 to 51 mm/min
Power: DC motor 750 W
Data download: using LAN port  (ASCII, TXT or Controls format)
USB port for USB memory stick data storage 
Resolution: 132000 divisions
Sampling frequency: 50 Hz
Horizontal clearance (distance between columns): 270 mm
Maximum vertical clearance (without accessories): 730 mm
Platen travel: 100mm
Overall dimensions (l x w x h): 392x495x1213 mm
Net weight approx.: 65 kg
Touchscreen graphic display: 240 x 128 pixel
Large memory data storage in USB pen drive

Ordering info

34-V1172 MULTISPEED automatic compression tester, 50 kN capacity, 4 channel built-in data acquisition and variable speed from 0.05 to 51 mm/min. 230V, 50-60Hz, 1 ph

34-V1174 MULTISPEED automatic compression tester, 50 kN capacity, 4 channel built-in data acquisition and variable speed from 0.05 to 51 mm/min. 110V, 60Hz, 1 ph

Accessories

CBR accessories to EN 13286-47 , ASTM D1883, AASHTO T193, BS 1377: 4, NF P94-078,  UNI CNR 10009 standards 
 
34-V0107/CBR Test set to perform the CBR test in the digital mode, including:
82-P0375 Load cell 50 kN capacity
82-P0375/C Adapter to fit load cell (two pieces)
82-P0322 Displacement transducer, 25 mm travel
34-T0104/81Adjustable transducer holder
34-T0103/1Adjustable CBR penetration piston
All above items can be ordered individually.

82-SW/CMU PC software for CBR, Marshall, Indirect tensile and universal tests. (Optional).
 
 
Marshall accessories EN 12697-34*, ASTM D1559, ASTM D5581, ASTM 6927-06, AASHTO T245,  BS 598-107, NF P98-0251-2, DIN 1996, CNR 30
Note: The EN* Standard specifies that Marshall Testers must be used in digital mode with a recording unit.
 
34-V0107/MAR Test set to perform the Marshall test in the digital mode, including:
82-P0375 Load cell 50 kN capacity
82-P0375/C Adapter to fit load cell (two pieces)
82-P0322 Displacement transducer, 25 mm travel
34-T0104/81Adjustable transducer holder
34-T0104/13 Compression device extension
34-T0104/10 Compression device
76-B0033 Stability mould
All above items can be ordered individually.
 
82-SW/CMU PC software for CBR, Marshall, Indirect tensile and universal tests. (Optional).

Accessories for performing CBR and Marshall tests in the digital mode

34-V0107/CM Test set for performing CBR and Marshall tests in digital mode, including:
82-P0375 Load cell, 50 kN capacity
82-P0375/C Adapter to fit load cell (two pieces)
82-P0322 Displacement transducer, 25 mm travel
34-T0104/81 Adjustable transducer holder
34-T0103/1 Adjustable CBR penetration piston
34-T0104/13 Compression device extension
34-T0104/10 Compression device
76-B0033 Stability mould 4"

82-SW/CMU PC software for CBR, Marshall, Indirect tensile and universal tests. (Optional).
 
 
Accessories to perform Indirect tensile tests on bituminous mixtures according to EN 12697-12 EN 12697-23, ASTM D4123, CNR 34
 
82-P0375  Load cell, 50kN capacity
82-P0375/C Adapter to fit load cell (two pieces)
82-P0322 Displacement transducer, 25mm travel
34-T0104/81 Adjustable transducer holder
34-T0104/13 Compression device extension
34-T0104/10 Compression device
76-B0078/B Tensile splitting device (4") or, alternatively, 76-B0078/C (6")
82-SW/CMU PC software for CBR, Marshall, Indirect tensile and universal tests. (Optional).
 

Accessories to perform Unconfined compression on soil specimens according to ASTM D2166, BS 1377:7 and AASHTO T208

82-P0370 Load cell, 2.5 kN capacity
82-P0375/C Adapter to fit load cell (two pieces)
82-P0322 Displacement transducer, 25mm travel
34-T0108/5 Load cell extension
34-T0104/4 Platens for unconfined compression
82-SW/CMU PC software for CBR, Marshall, Indirect  tensile and universal tests. 
 

If further test have to be performed, please refer to the web page universal tester accessories.

Documents

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