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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 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 materialsDouble acting low friction actuator with integral stroke transducerUtilises high performance ceramic spool servo-valveHigh quality stainless steel frameIssued with UKAS accredited certificate of calibration for EN 12697-24; EN 12697-25, EN 12697-26Accessories available to perform a range of standard and non standard test methodsCan 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 LabVIEWStandard test software available to meet specific EN, ASTM and AASHTO test methodsUniversal test software for the development of test methods using static, sinusoidal, haversine, square, triangular with user selected frequencies and data collection ratesStored test data can be imported into a spreadsheet package to be analysed by the userUtilities are included for transducer check, diagnostic routines and calibration Maximum LoadElectronically limited to 12.5kN @ 7 barLoad Transducer± 20kNActuator Stroke30mmFrequency0 to 30HzElectrical Supply220-240 Volts 50Hz @13ACompressed Air7-10 bar at 600L/minDimensions mm(wxdxh) Frame360 x 400 x 740Dimensions mm(wxdxh) Control box360 x 280 x 140Working space required mm(wxdxh)825 x 1650 x 2100 when fitted in cabinet CRT-TCCFrame weight Kg30Control 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 D4123CRT-D7369Resilient modulus test system to perform ASTM D7369CRT-SPTLVTest system to perform dynamic modulus according to AASHTO TP62 / Simple Performance TestCRT-4PT-BBTest system to perform four point bending beam according to EN 12697-24 Annex D, EN 12697-26 Annex B and AASHTO...

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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