Automatic Digital Compression Testing Machine
Product Code : EL-CTLE-10281
Quick Answer: The Automatic Digital Compression Testing Machine is a 3000 kN capacity machine designed for reliable, consistent compression testing of concrete samples, consisting of a frame, power pack, and LCD-based data acquisition and control system that runs a fully automatic, closed-loop digital test cycle at the press of a start button. Its welded-steel frame accommodates concrete cylinders up to 320 mm long x 160 mm diameter and 100/150 mm cubes, its dual-stage power pack (750 W, 25 litre oil capacity) provides load rates from 1 kN/sec to 20 kN/sec, and it is fitted with safety features including a max pressure valve, ram travel switch, and emergency stop button. It complies with EN 12390-4, BS 1881 and ASTM C39 (with suitable platen set).
The automatic range of 3000 kN capacity Automatic digital compression testing machine has been designed to meet the need for reliable and consistent testing of concrete samples, with all test machines featuring a complete automatic test cycle and closed loop digital readout; once the specimen parameters have been introduced, it is sufficient to press the start button to complete the test. The machine consists of three main parts: frame, power pack and data acquisition & control system, and each part has been designed to manufacture machines with a high degree of mechanical stability and complies to EN 12390-4, BS 1881 and ASTM C39 (with suitable platen set).
Automatic test cycle with standard rapid approach
Graphical – LCD data acquisition and control system
Menu driven software for easy operation
Load vs time plot and instantaneous load rate displayed
Accurate load rate control within ±5 from 1 kN/sec to 20 kN /sec
Class 1 starting from 10% of the full range
Ready stress calculation for the standards of EN 12390-3, EN 12390-5, EN 12390-6, En 1338, EN 1340, EN 196
SI, Metric, Imperial units
Data storage up to 256 tests
RS 232 output for printer or PC
Free of charge PC software for test control and advanced report printout
Automatic compression testing machine
Frame:
The Automatic digital compression testing machine load frame is a welded steel fabrication carrying the ball-seated upper platen, positively located on the loading ram which is protected from debris by a cover, with the lower platen marked for the centering of cube and cylinder specimens. The dimensions of the frame allow the testing of concrete cylinders up to 320 mm long x 160 mm diameter; 100, 150 mm cubes, and all machines are supplied complete with 30 mm, 50mm and 90 mm distance pieces (to test samples shorter than 150 mm, extra distance pieces should be ordered). All machines are supplied with flexi glass front and rear removable safety doors, and all frames have a single acting upstroking ram with over travel protection to stop the motor when the maximum platen travel is reached.
The Main Characteristics are:
High stability welded assembly
Distance pieces and safety door included
Ball seating assembly and frame tested for stability
50 mm piston stroke with safety limit switch
Platen hardness of min 55 HRC
Data Acquisition And Control System:
The Lcd graphics data acquisition and controls system is designed to control the Automatic digital compression testing machine and processing of data from load cells or pressure transducers installed on the compression machine frame, and is contained in a light alloy housing whose design satisfies the ergonomic requirements for various use. The digital graphic display allows real time load vs time graph, and the easy to read lcd graphic display and touch-button data pad keys make the unit quick and straight forward to operate, with all interactions with the measuring system via the front control panel using simple menu-driven procedures. At the end of the test cycle, the results can be stored in the large memory or downloaded to a PC in Labtest software format, and a dedicated software package is available for further online data processing, database management and certificate printing.
The Main Characteristics are:
High resolution 65.000 points
240 x 120 pixel blue-white graphic lcd display
Standalone full automatic testing capacity
CPU card by microprocessor 32 bit ARM RISC architecture
Can make manual tests if required
A sample type and dimensions can be entered with respect to the standard
18 key touch membrane keyboard
Easy to operate with 6 main function keys
Large permanent memory up to 256 test results
Rs232c (optional ethernet) connection at 57600 baud
One RS232 serial port for connecting either PC or printer for data transmission
Two analogical channels, used for load cell or pressure transducer
Language select: English
Can control two frames (Compression & Flexural)
Power Pack:
The dual stage power pack, which is controlled by is designed to supply required oil to the frames, is very silent and can load a specimen between 1 kN/sec to 20 kN/sec. On the dual stage pump, high delivery low pressure pump is used for rapid approach and low delivery high pressure radial piston pump is used for test execution, and on all power packs a maximum pressure valve is used to avoid machine overloading.
The Main Characteristics are:
Dual stage pump
750 W power
25 liter oil capacity
60-100 mm/min fast approach speed
Safety Features:
All Automatic digital compression testing machines are fitted with:
Max pressure valve to avoid machine overloading
Ram travel switch to prevent excessive piston travel
Front and rear gates with transparent durable flexiglass
Emergency stop button
Software controlled maximum load value
Standards: EN 12390-4, BS 1881 and ASTM C39 (with suitable platen set)
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Last Updated: September 2026
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