Servo-Pneumatic Universal Testing Machine

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Product code: CRT-UTM-NU
Standards: EN 12697-26 Annex C; ASTM D4123; AASHTO TP31; AASHTO TP62; EN 12697-25 Method A & B; EN 12697-24 Annex E; NCHRP9-19; NCHRP9-29; AASHTO T307 (previously TP46); NCHRP 1-28A. Add To Quote

Servo-Pneumatic Universal Testing Machine

DescriptionKey FeaturesSoftwareSpecificationsAccessoriesDatasheet This machine is a development of the NAT which was developed by Keith Cooper and Professor Steven Brown at the University of Nottingham. The use of a high precision servo-pneumatic valve in conjunction with a low-friction actuator and sophisticated data acquisition and control, results in a performance that is equal to many servo-hydraulic […]
Quote: Servo-Pneumatic Universal Testing Machine 15.5kN 1

Servo-Pneumatic Universal Testing Machine

To be confirmed by email: 0.00

DescriptionKey FeaturesSoftwareSpecificationsAccessoriesDatasheet This machine is a development of the NAT which was developed by Keith Cooper and Professor Steven Brown at the University of Nottingham. The use of a high precision servo-pneumatic valve in conjunction with a low-friction actuator and sophisticated data acquisition and control, results in a performance that is equal to many...

This machine is a development of the NAT which was developed by Keith Cooper and Professor Steven Brown at the University of Nottingham. The use of a high precision servo-pneumatic valve in conjunction with a low-friction actuator and sophisticated data acquisition and control, results in a performance that is equal to many servo-hydraulic systems.
Accurate, digitally generated waveforms are applied by the actuator producing repeatable stress variations in test specimens that are simulative of those in a road pavement due to moving traffic. The actuator is double-acting allowing both compressive and tensile forces to be applied. A triaxial cell system is available for the measurement of the resilient modulus of unbound materials.

  • Low cost dynamic loading universal test system ideally suited to testing asphalt and unbound granular materials
  • Double acting low friction actuator with integral stroke transducer
  • Utilises high performance ceramic spool servo-valve
  • High quality stainless steel frame
  • Issued with UKAS accredited certificate of calibration for EN 12697-24; EN 12697-25, EN 12697-26
  • Accessories available to perform a range of standard and non standard test methods
  • Can be supplied with standard software to perform EN, ASTM and AASHTO test methods and universal software with which to design non standard test routines
  • User friendly, intuitive and reliable Windows software developed using LabVIEW
  • Standard test software available to meet specific EN, ASTM and AASHTO test methods
  • Universal test software for the development of test methods using static, sinusoidal, haversine, square, triangular with user selected frequencies and data collection rates
  • Stored test data can be imported into a spreadsheet package to be analysed by the user
  • Utilities are included for transducer check, diagnostic routines and calibration
Maximum LoadElectronically limited to 12.5kN @ 7 bar
Load Transducer

± 20kN

Actuator Stroke30mm
Frequency0 to 30Hz
Electrical Supply220-240 Volts 50Hz @13A
Compressed Air7-10 bar at 600L/min
Dimensions mm(wxdxh) Frame360 x 400 x 740
Dimensions mm(wxdxh) Control box360 x 280 x 140
Working space required mm(wxdxh)825 x 1650 x 2100 when fitted in cabinet CRT-TCC
Frame weight Kg30
Control bocx weight Kg6

Accessories are not included in the price of the main device and may be purchased separately if required.

CRT-ITSMFAT-SETIndirect tensile stiffness modulus and fatigue measurement system to perform EN 12697-26 (Annex C) and EN 12697-24 (Annex E)
CRT-IT-RESMODResilient modulus test system to perform AASHTO TP31 and ASTM D4123
CRT-D7369Resilient modulus test system to perform ASTM D7369
CRT-SPTLVTest system to perform dynamic modulus according to AASHTO TP62 / Simple Performance Test
CRT-4PT-BBTest system to perform four point bending beam according to EN 12697-24 Annex D, EN 12697-26 Annex B and AASHTO T321-03 (TP8) to be used on UTM-HYDs
CRT-PD-SETDynamic and static creep measurement system to perform EN12697-25 (Method A) and DD226
CRT-PRESTRIAX-SETDynamic and static creep(Flow) measurement system with confining stress to perform EN12697-25 Method B
CRT-DTC-UTM14 and CRT-DTC-UTM25Direct Compression and Tension measurement system to perform EN12697-26 Annexes D&E (DT-CY/CT-PR/DTC-CY) for CRT-UTMs
CRT-UNIVSOFTFacilitates the design of test routines that can include multiple wave types, test stages and methods of data acquisition
CRT-COMP-650Standard air compressor (up to 7bar and 600 L/m) for supply of air to CRT-UTM-NU
CRT-FT06-AIRDRYERAir dryer with 600 L/s flow rate and 3°C dew point
CRT-T307Triaxial system to perform AASHTO T307 on 200mm * Ø100mm specimens of unbound material
CRT-T307+Triaxial system to perform AASHTO T307 on 300 mm * Ø150 mm and 200 mm * Ø100 mm specimens of unbound material
CRT-TCCTemperature controlled cabinet for CRT-UTM-NU
The temperature can be controlled to 0.2ºC over the range - 25ºC to + 60ºC using a P.I.D. digital temperature controller, the CAL3200.

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