HT-8391PC

• Specially designed for compression test of concrete. control and easy operation is the basic principle of design.
• High precision servo control and simple-oprated program improves effectively the convenience and reliability of test.

HT-8391C

• HT-8391C is the traditional hydraulic & manual control system with the digital indicator ( available to display load & stress speed ) can be selected as optional.

Measuring compliance with
2000 kN Computer servo hydraulic concrete compression machine conform standard as follow :

• CNS : 1232 Concrete column bending testing.
• CNS : 1233 Concrete bending testing ( 3 point loading )
• CNS : 1234 Concrete bending stiffness testing ( center point )
• CNS : 1238 Concrete center dig and slice long shape method
• CNS : 3801 Concrete column hack stiffness testing
• CNS : 1010 Liquid concrete material bending testing
• CNS : 382 Common brick testing CNS : 13295 High pressure concrete brick testing
• ASTM : C469 Poisson Ratio( CLSM)

Control Unit

• Computer-Control Hydraulic Servo System
• High precision automatic control valve
• Control mode :
  a. Constant speed ram stroke control :
  Control range : ram return position ~ max.
  Ram stoke speed setting range :
  0.5 ~ 35 mm / min
  b. Constant speed load control :
  Control range : 5~100% of full scale load
  Speed setting range : 0.1~2.0 full scale / min ( but up to specimen material )
  c. Constant speed stress control :
  1.41 ~ 3.52 (kg/cm2 ) / sec
  d. Constant speed strain control :
  Control range : 5 ~ 100% of full scale strain
  Speed setting range : 0.1 ~50% / min
  e. Fixed displacement control
  f. Fixed load control
  Note : Item with star mark are only available when L.V.D.T. displacement sensor is selected
• Setting of testing parameters :
  database modularized
• Display of testing parameters :
  value and real-time curve ( load, stroke or
  elongation ) available to be displayed and
  switched by computer
• Control mode of operation :
  auto / manual function switchable
• Emergency shut down button & overload
  protection ( auto stop ) function equipment

Data-Processing System

• Data-acquisition and data-analysis / clarification
• Available to backup and modify the write / read path of data file
• Self-defined testing module based upon any kind of standard test norms ( optional )
• Software password security protection
  ( optional )
• XBAR-R engineering diagram and SQC quality control diagram ( optional )
• Various kinds of softwares providing data
  manipulation and analysis ( optional )