| 摘要 |
PURPOSE: An automatic elastic pressure calibrator and automatic calibration method is provided to achieve improved accuracy and calibration efficiency, while reducing calibration time and error. CONSTITUTION: A calibrator comprises a control unit, a data acquisition card, an interface card, an elastic pressure calibrator unit and an output unit. The elastic pressure calibrator unit includes a pressure supply unit(401), a first pressure controller(402), a filter(403), a pressure gauge(404), a volume tank(405), solenoid valves(406), a fine pressure controller(407), a sensor adaptor(408) equipped with an elastic pressure gauge, a reference sensor(409) equipped with a pressure indicator, and a foot switch(410). The control unit includes a reference sensor where a calibration reference value is input, and controls values by comparing the value input through the calibration sensor with the reference value.
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