Universal Testing Machine Calibration Service
₹ 10,000Machine Type: Tensile Testing Machine
A Universal Testing Machine (UTM) is one of the most widely used materials testing instruments in industries, research laboratories, and educational institutions. As the name suggests, the UTM is designed to perform a wide range of mechanical tests on materials, including tensile, compression, bending, shear, and flexural tests. It provides accurate force application and measurement to evaluate the strength, ductility, stiffness, and performance of various materials such as metals, polymers, composites, textiles, and construction materials.
The UTM typically consists of a robust load frame with a movable crosshead, load cells or force sensors, grips or fixtures for holding specimens, and a precise control system. Modern UTMs are often computer-controlled, equipped with advanced software to capture, analyze, and report test data in real time. This makes them essential for material characterization, product quality control, and compliance with international standards such as ASTM, ISO, and IS codes.
For reliable results, the accuracy of a UTM must be ensured through regular calibration. Calibration is the process of verifying and adjusting the machine s force-measuring system, displacement measuring devices, and other sensors to maintain traceability to national or international standards. Over time, factors such as mechanical wear, load cell drift, misalignment, and electronic fluctuations can affect the accuracy of measurements. Therefore, calibration ensures that the UTM continues to deliver precise and repeatable results.
The calibration of a UTM is performed by comparing the machine s displayed values with those obtained from standard reference devices, such as calibrated proving rings, load cells, or dead weight systems. These standards have known accuracy and are traceable to national laboratories. During calibration, the UTM is subjected to incremental loads across its working range, and the displayed force values are checked against the true applied load. The deviations are recorded, and correction factors may be applied if necessary.