Problems that may occur when gas mass flowmeters are used

Problems that may occur when gas mass flowmeters are used Gas mass flowmeters are instruments that use the principle of thermal diffusion to measure gas flow. The sensor consists of two reference grade thermal resistors (RTDs). One is a speed sensor RH, and the other is a temperature sensor RMG that measures changes in gas temperature. When these two RTDs are placed in the measured gas, the sensor RH is heated, and the other sensor RMG is used to sense the measured gas temperature. As the gas flow rate increases, the airflow removes more heat and the temperature of the sensor RH decreases. Thermal gas mass flowmeters are divided into: insertion type and pipe section type according to the installation method. In fact, the gas mass flowmeter can also be called a gas flowmeter, and we refer to it as a mass flowmeter for short. It has good metering performance and can meet the needs of different industries. Generally speaking, the mass flowmeter will not break down during use, but don’t worry if it breaks down, you can solve it by analyzing the reason carefully. Below we will introduce several kinds of failures that may occur in the mass flowmeter and their solutions: 1. Hardware failure: There is a large error when using the mass flowmeter, but the display does not add value or light up, it may be the hardware there is a problem. At this time, it is necessary to check whether the installation regulations are not standardized and whether there is any problem with the wiring. If the display is not bright, then you can check whether the power cord of the calculator is connected properly and see if the fuse has been burned. 2. Software problem: Before installation and use of the flowmeter that has just been calibrated, zero point calibration must be performed on it, and then the zero point calibration can only be seen after the medium of the flowmeter is turned off. This inspection method is relatively simple, you can use a handheld operator, or operate it through the panel. Software inspection is relatively simple, nothing more than zero standard calibration, parameter setting and power pulse detection. The above are the problems that may occur when the gas mass flowmeter is in use. Generally, as long as there are no problems with the hardware and software, these failures will not occur.

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