PLUGING AND EXHAUSTING APPARATUS FOR SPAN GAS OF EXHAUST GAS ANALYZER SAMPLE BAG

摘要

The present invention relates to a span gas charging and discharging device of an exhaust gas analyzer sample bag configured to more safely and easily charge and discharge a span gas used in a sample bag to check the accuracy of the exhaust gas analyzer for measuring exhaust gas. will be.;According to a feature of the present invention, the distribution pipe 200 is configured by coupling the plurality of injection pipes 210 provided with a fastening portion 211 to which the injection port 110 of the sample bag 100 is connected, and the minute One end is coupled to the pipe 200, the coupling portion 330 is formed so that the other end of the span gas cylinder 500 is coupled to the valve to regulate the flow of the span gas and the regulator 310 to adjust the pressure of the span gas in the middle portion An inlet pipe 300 having a 320 and a bypass valve 420 coupled to the inlet pipe 300 to control a flow of span gas at an intermediate portion and a vacuum pump 410 for sucking the span gas are provided. Provided is a span gas charging and discharging device for an exhaust gas analyzer sample bag, comprising a bypass 400 provided.