The digital pressure gauge has the advantages of intuitive display, no visual error, small temperature drift, automatic correction, excellent linearity, and high sensitivity. It is widely used in pressure measurement and control in petroleum, chemical industry, metallurgy, electric power, urban water supply, sewage treatment, hydrological exploration, refrigerant system, natural gas pipeline transportation, gas pipeline construction leak detection and other industries.
Generally, digital pressure gauges are widely used in various fields of life, such as digital pressure gauges installed on pipelines such as urban water supply, sewage treatment, and natural gas pipelines.
The medical vacuum digital pressure gauge (negative pressure gauge) is based on the production conditions of general industrial digital pressure gauges, adding several production and inspection procedures to meet the use of the medical care equipment industry. At present, medical vacuum digital (negative pressure) meters have been widely used in beauty equipment and machinery, as well as medical equipment such as sputum suction, ventilator, ultrasonic atomizer and medical ENT treatment table.
Due to the corrosivity of gases or liquids involved in industrial enterprises such as petroleum, chemical industry, pesticides, spray paint, etc., the pressure measurement must use special digital pressure gauges that are resistant to corrosion. The special digital pressure gauge is suitable for the occasions where the pressure measuring instrument has special requirements in the production process of various industrial sectors. All parts of the acid-resistant digital pressure gauge are made of stainless steel. Has strong corrosion resistance, suitable for detecting the pressure of corrosive medium and used in harsh external corrosive environment.
Refrigerant (refrigerant, refrigerant) is also called refrigeration engineering. It is the working medium of the refrigeration cycle. It uses the phase change of the refrigerant to transfer heat. The refrigerant absorbs heat when it vaporizes in the evaporator and exotherms when it condenses in the condenser. At present, there are many substances that can be used as a refrigerant, the most commonly used are ammonia, freons, and a few hydrocarbons. A working fluid used in a refrigeration system to transfer thermal energy and produce a freezing effect. According to the working mode, it can be divided into primary refrigerant and secondary refrigerant. According to the classification of physical properties, it can be divided into natural refrigerants and synthetic refrigerants. Digital refrigerant pressure gauges, also known as snow gauges or Freon gauges, are used to measure the pressure of refrigeration systems or various refrigeration systems inside the equipment. Such as air-conditioning equipment, cold storage refrigeration systems, industrial chillers, cold coal filling equipment, central air-conditioning and so on.
Gas and liquid pressure measurement of fuel in the power system is more complicated. Pressure measurement involves the production safety of the power system. There are many pressure gauges used, such as drum pressure indicator, water supply valve pressure gauge, and reheating. Pressure gauge, DC boiler start-up separator pressure gauge, DC boiler primary steam-water system cut-off valve pressure gauge, fuel boiler inlet and return pressure gauge, gas boiler inlet pressure gauge, compressed air source pressure gauge, furnace negative pressure Table and so on. These pressure gauges require high temperature resistance and long life. Digital pressure gauges are gradually replacing pointer pressure gauges to improve the safety factor.
