Precautions for flowmeter installation

The gas mass flowmeter adopts the American Microbridge gas flow mass sensor and pressure sensor. The airflow quality sensor is based on the heat transfer principle that the heat taken away by the airflow quality flowing through the sensor is proportional to its output voltage. The pressure sensor is that the pressure of the gas is proportional to the output voltage, that is, the gas mass flow and gas pressure are simultaneously converted into analog signal output. The function of the digital display integrator is to convert the airflow quality analog electrical signal output by the airflow quality sensor into a digital signal through the A/D inside the single-chip microcomputer. After calculation and processing, the mass flow rate of the gas is converted into the corresponding volume flow rate under the standard state or the mass flow rate under the standard state. After data processing and calculation, the real-time flow and cumulative flow are calculated respectively, and sent to four-digit and eight-digit digital tubes for display. Precautions for flowmeter installation 1. The construction personnel must carefully read the instruction manual before installation. 2 When installing the sensor, you must pay attention to the airflow direction of the sensor, and place the sensor above the level of the pipeline. (See Figure 3) 3. Remember: When welding the steady flow tube and the pipeline, it is absolutely not allowed to directly weld the sensor and the steady flow tube, and the special welding tool provided by the supplier must be used for connection. (See Figure 1), (See Figure 2) 4 It is strictly forbidden to enter the sensor cavity with liquid, steam, welding residue, metal oxides and sundries, and keep the pipeline clean. 5 After removing the pipe welding residue, the quality sensor can be connected to the pipe. (Steady tubes on both sides, leak-proof gaskets, and stainless steel nuts are fastened on the sensor body together). 6. When adjusting the air source, the valve must be opened slowly to prevent the sensor from being damaged by the impact of excessive initial air flow. 7 Ventilate first and then turn on the power of the mass flowmeter.

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Time is one of the biggest challenges cited by manufacturing mass flow meter.