Application of Mass Flow Meter in Urban Natural Gas Metering

The measurement principle of the mass flowmeter is similar to that of the traditional thermal mass flowmeter. The mass flow rate of the fluid corresponds to the heat taken away by the sensor. On the flow chip, a temperature sensor is symmetrically arranged upstream and downstream of a micro heat source, and an ambient temperature sensor is also provided to adjust the influence of ambient temperature changes on the micro heat source. The mass flow rate of the fluid, the temperature change upstream and downstream of the micro heat source and the power of the micro heat source are the main parameters of the chip. The flow measured by the sensor is mass flow independent of temperature and pressure. Nevertheless, the temperature compensation of the control circuit is the main source of the temperature effect of the flowmeter. The advantages of the mass flowmeter are: ①The range ratio is large, and the range ratio of the MF-FD series gas mass flowmeter reaches 100:1. ②The starting flow is small. It can effectively solve the problem of small flow leakage of mechanical flowmeters and reduce the supply-sales gap of gas companies. ③Measure the mass directly without temperature and pressure compensation, reducing the loss of measurement. ④The pressure loss is small, which can ensure the energy-saving operation of the system. ⑤ light weight. Compared with positive displacement flow meters, MEMS mass flow meters are greatly reduced in weight. ⑥No moving parts. ⑦Full electronic intelligent function. Specially designed electronic control components can provide signal transmission, accident alarm, IC card control and other functions; built-in memory for historical data recording, creating conditions for in-depth analysis and management of user gas consumption; network communication function can easily realize the system of city gas meters Management has created conditions for city gas to achieve peak shaving, step-by-step charging and other measures.
There are a lot of businesses today that are very much in demand and one of them is a mass flow meter.
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