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Shengqi Technology (Beijing) Co., Ltd
Gas mass flowmeter with temperature and pressure compensation function for more accurate measurement
NegotiableUpdate on 01/09
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Overview
The gas mass flowmeter with temperature and pressure compensation function measures more accurately. This instrument does not require temperature and pressure compensation and can directly measure the mass flow rate of gas, avoiding the interference of temperature and pressure changes on the measurement results. It performs well under complex experimental conditions
Product Details
Gas mass flowmeter with temperature and pressure compensation function for more accurate measurementIt is a professional instrument used for precise measurement of gas flow rate, playing a role in many fieldseffect.Its working principle is mainly based on the principle of thermal measurement. Taking the common thermal gas mass flowmeter as an example, a typical sensing element includes two thermal resistors, one of which serves as a velocity sensor and is heated to a constant temperature above the ambient temperature; The other is a temperature sensor used to sense the temperature of the medium. When gas flows through the velocity sensor, it will take away some heat, causing the temperature of the sensor to decrease. To maintain a constant temperature, it is necessary to increase the working current through the sensor, and the magnitude of the increased current is proportional to the gas flow rate. Then, the mass flow rate of the gas can be calculated by measuring the heat transfer. This method does not require temperature and pressure compensation, and can directly obtain the mass flow rate of the gas.
Accurate measurement can be achieved, with an accuracy typically reaching ± 1% of readings or even higher, providing reliable data support for experiments and production processes. For example, in chemical vapor deposition experiments, precise control of the reactant gas flow rate ensures the uniformity and composition accuracy of thin film growth, and the error can be controlled within a very small range.
Gas mass flowmeter with temperature and pressure compensation function for more accurate measurementFrom the mL/min level with extremely low flow rates to the L/min range with higher flow rates, stable and precise flow control can be achieved to meet the diverse needs of gas flow rates in different scenarios.
The measurement data is basically unaffected by temperature and pressure changes, and can still stably output accurate gas mass flow data in complex and changing experimental conditions or industrial environments.
When gas flows through a flowmeter, the pressure loss generated is minimal, reducing the impact on the pressure of the entire gas transmission system and ensuring stable operation of the system. It can measure the flow rate of various gases, such as blast furnace gas, coke oven gas, air, nitrogen, acetylene, hydrogen, natural gas, carbon dioxide, oxygen, etc., and has a wide range of application scenarios.
In the field of chemistry and materials science, it is used to control the flow rate of reaction gases in vapor deposition experiments and ensure the quality of thin films; In biological and medical research, precise supply of gases required for cell culture and maintenance of cell growth environment; In the field of environmental science and energy research, controlling the flow rate when collecting air samples to assist in monitoring atmospheric pollutants.
In the oil and gas industry, it is used to measure the mass flow rate of crude oil, refined oil, oil and gas, and liquefied gas to ensure product quality and safe production; In the chemical industry, the mass flow rate of various gases, liquids, and vapors is measured during heating, cooling, mixing, and reaction processes to ensure the stability of the chemical process; In the food and beverage industry, flow control is applied to food raw materials and packaging gases during the production, processing, and packaging processes; In the pharmaceutical industry, it is used to measure the quality and flow rate of drug solutions, achieve automated control of the pharmaceutical process, and ensure the quality of drugs.
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