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A compression testing machine (CTM) measures the compressive strength of concrete cubes, cylinders, and blocks. It is the primary quality control tool for verifying that concrete meets its specified strength — both at the batching plant and on the construction site.
The CTM applies a controlled compressive load to a concrete specimen until failure. The maximum load at failure is divided by the cross-sectional area of the specimen to give the compressive strength in N/mm² (MPa). This value is compared with the specified strength to confirm the concrete quality.
CTMs are used in concrete testing laboratories, RMC plant laboratories, precast plant quality control, and on-site testing labs at major construction and infrastructure projects. Regular cube and cylinder testing is a contractual and regulatory requirement on most concrete projects.
CTMs are available in manual, semi-automatic, and fully automatic versions, with different capacity ranges (typically 1000 kN, 2000 kN, 3000 kN) and platens sizes to suit different specimen sizes. Digital display and data logging are common features on modern machines.
J.R. Machinery India supplies compression testing machines engineered for accurate, standards-compliant compressive strength testing. Our CTMs feature rigid load frames, precision load cells or pressure gauges, and easy-to-use controls. Options are available for different capacities, control types, and accessory sets to suit specific laboratory and project requirements.
Technical values will be updated using the approved product data supplied by J.R. Machinery India.
| Product | Compression Testing Machine (CTM) |
|---|---|
| CTM Type | Manual / Semi-Automatic / Automatic |
| Capacity | 1000 / 2000 / 3000 kN |
| Measurement Range | To be confirmed |
| Accuracy | To be confirmed |
| Platen Size | To be confirmed |
| Specimen Size | Cubes / Cylinders / Blocks |
| Display Type | Analogue / Digital |
| Data Logging | Optional (Automatic Models) |
| Standards | IS / ASTM Compliant |
| Power Supply | To be confirmed |
| Weight | To be confirmed |
Precision load cells or gauges for reliable strength values.
Choice of control types to match laboratory requirements.
Designed to meet IS and ASTM compressive strength test standards.
Heavy-duty frame for stability and repeatable results.
Clear digital readout with peak hold and data logging options.
1000, 2000, and 3000 kN options for different specimen sizes.
The approved product brochure will be available here once supplied by the company.
