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...International journal of recent technology and engineering ijrte issn volume issue september stopwatch verification platform the development an automated device for calibration mohd safirin karis nohaslinda hasim amar faiz zainal abidin siti fatimah sulaiman processes standards are governed by abstract is designed to quantify elapses time legal metrology regulations iso provides between start activation deactivation ensure guidelines testing facilities precision taken essential referring recommended practice guide national institute standard nist has timer calibrations provide complete on or however usually use simply comparison under manual personnel hence may possibly cause test dut measurement reference in inefficiency works order determine error uncertainties data obtained a prototype aimed replace handling if interval used it compared s digital with controlled display frequency without interfering able automatically trigger base oscillator this project focuses stop stopwatches int...