The composition of the gas meter
    1Precision pressure reducing valve: provides working pressure for the measuring instrument.
    2Pneumatic probe: transmits the airflow or pressure value of the workpiece surface. The probe can be a plug gauge, ring gauge or other shape, which is formulated according to the specific size of the workpiece to be measured. Probe two important components nozzle hole and exhaust groove.
    3Pressure transmitter (gas-electric converter) : converts the pressure signal sensed by the probe into an electrical signal.
    4MCU control system: by the display unit, key operation unit andCPUConstitute. The display unit is used to display the measured value and the measurement judgment result; The key operation unit is used to operate the measuring instrument, such as setting parameters, triggering saving data and uploading data;CPUThe gas-electric converter's converted signal passes throughADSample,CPUAfter processing, it is converted into a display value and sent to the display unit for visual display.
    5Power supply: provides working voltage for the circuit part of the measuring instrument.
    6Calibration gauge: Used to measure the measuring system of the quantifier. Generally according to the tolerance of the upper and lower limits for the limit of the gauge size. The standard gauge can be made of steel, chromium or cemented carbide.

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