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Advanced Research Electron Accelerator Laboratory (AREAL) is a 50 MeV RF gun-based electron linear accelerator project which has been developed at CANDLE Synchrotron Research Institute. In addition to its applications in life and materials sciences, the project intents as a test facility for advanced accelerator concepts and radiation sources. The beam emittance measurements at low energies are an important issue to optimize the facility performance and compensate the space charge effects. In this paper the results of electron beam emittance measurement for AREAL beam energy of 2.5 MeV are presented using the quadrupole scan technique. The least squared approximation is applied to evaluate the experimental results.