Uniaxial Compression Testing Machine

Kalpak make Uniaxial compression tester is a universal application test apparatus useful for making studies involving load vs displacement measurement on any type of material. It is basically comprised of a variable speed motorized load frame coupled with state of the art digital load & displacement indicator.

The front panel digital displays provide easy viewability during the test process. The load measurement is done using accurate & the linear transducer measures sensitive strain gauge type load cell & displacement. The load frame is basically a two column frame fitted with a upper platen which can be height adjusted to suit operation. The loading during testing is effected by raising the center ram.

The speed of the ram is adjustable & controlled by the built in micro-controller as it is driven by efficient stepper motor & its digital drive. The unit has provision of the rs 232 compatible interface for pc communication. The data acquisition & analysis software for recording the load vs displacement data is available. It provides data in graphical as well as tabular format & also provides printouts of the test results.

Applications :

  • Road testing application – for cbr
    • California bearing ratio test
    • Marshall stability test
    • Unconfined uniaxial compression test
  • Soil testing application
    • Quick triaxialtest
    • Flexural strength of soil-cement specimens
    • Punching test on clay block
  • Rock & building stone testing
  • Concrete, morter , tiles testing and many others
  • Asphalt/bituminous material testing


Load Frame Two column type with variable speed motorized type
Capacity Available in 3 Ranges 50 Kn, 100 Kn, 200 Kn
Horizontal Test Span Suitable for Samples upto 375 Mm Length
Vertical Span Max. 800 Mm
Ram Travel 100 Mm with Overtravel Limit Switches in Built
Drive Stepper Motor with Dedicated Drive
Speed Range 0.001 to 9.999 MM/min
Sensor Suitable Load Cell for Force Measurement, Linear Transducer for Displacement Max. 100 Mm
Display S4 digit 12 mm LED for Load, Displacement & Speed
Resolution 0.01 kn for load, 0.1 mm for displacement, 0.001 mm/min for speed setting
Controls Zero & Span Setting Potentiometers for all the Parameters
Output Rs 232 Compatible Serial Interface for Pc Communication 1c/o Relay Output On Overload Sensing
Safety Overtravel Limit Switches Provided , Overload Indicated By Audio Alarm & 1 C/o Relay Output
Supply 230 vac +/- 10%, 1 phase, 500 VA
Size Overall Size: 500(w) X 500 (d) X 1250 (h) Mm
Weight 100 Kg Net. Accessories Extra

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