CRT-NAT14 PNEUMATIC ASPHALTTESTING SYSTEMCRT-NAT14 Pneumatic asphalt testing system comprising: � Voltage-pressure (V/P) converter � 10L reservoir � Filters and shut-off valve � Power supplies � Signal conditioning for load transducer, 2 thermocouples and 2 displacement transducers (optional 2 additional displacement transducers) � Outputs for solenoid valve and V/P converter � Multifunction high speed, 16 bit analogue to digital, 12 bit digital to analogue and digital inputoutput card for computer control of system (National Instruments) NOTE: 1. The NAT requires a compressor with the following minimum specifications: 7bar, 14cfm and 150ltr receiver. 2. The CRT-NAT5 system software runs under Windows 2000/NT/XP. 3. The test methods listed require additional subframes TECHNICAL SPECIFICATIONS Test methods include prEN 12697-26 prEN 12697-25 prEN 12697-24 ASTM 4123 See also: NAT Asphalt Testing System Universal Servo-Pneumatic Test System Universal Servo-Hydraulic Test System Four point beam fatigue test The Wheel tracker Hamburg Wheel tracker Wheel tracker EN12697-22 Large device CRT-WTENLD Roller Compactor Large device EN roller compactor |