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          Electronic Extensometer

          Electronic Extensometer
          Electronic Extensometer
          Product Code : FEE-5
          Product Description

          ELECTRONIC EXTENSOMETER Model : FEE-5

          This device is used for the determination of proof stress and Young's Module values. With the Extensometer it is possible to measure correct strain values within the gauge length marks during a tensile test. In case of ductile materials the stress strain curve is well defined and it clearly shows the yield point i.e. departure from the straight portion of the curve. But in certain materials like high Carbon steels, Aluminium and Magnesium alloys, the straight portion gradually follows a curve entering into plastic region, making it difficult to determine the yield point, For such cases, it is advised to find proof stress value. The proof  stress is a stress corresponding to certain amount of plastic deformation after the proportional limit is passed. In  specifications of materials, this plastic deformation is expressed as a certain percentage of the gauge length.

          FEE - 5 is specially suitable for determination of Young's modulus and 0.1 % to 1.0 % proof stress values. FEE-5 is suitable for almost all type of materials. The measurement accuracy satisfied all requirements of IS:12872-1990/ISO:9513 - 1989 & ASTM-E-83 class B2. Its reliable construction guarantees maximum safety of operation and longer working service/life also in case of raised application conditions.

          SPECIFICATION

          Accuracy

          Class 1 as per IS 12872 / ISO 9513

          Type

          Strain Gauge type

          Out-put

          0.3 mV / V/ mm (approx)

          Excitation

          10V, DC Nominal

          Measuring range

          5mm

          Nominal resistance of bridge

          350ohm

          Gauge lengths

          25 mm & 50 mm by means of extender(2 fixed G.L.)

          Resolution

          0.001 mm


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