How to Purchase Laboratory Air Compressor for Laboratory Equipment

How to choose the laboratory air compressor for laboratory equipment?

As a professional equipment that gets along with laboratory personnel for a long time, the noise control requirements of the machine are very high. The procurement of laboratory air compressors needs to be oil-free and quiet to provide a good working environment for laboratory staff.

As we all know, air compressor in China's national economy and industrial and agricultural production has a very wide range of uses. Can be used in construction, metallurgy, textile, chemical, electronics, plastics, food, military and other industries.

As a scientific research site, the laboratory naturally has special requirements for the selection and use of air compressors. Most of the experimental equipment is high-precision and expensive imported instruments, including but not limited to spectroscopic instruments, chromatographic instruments, mass spectrometry instruments, etc. In addition to providing aerodynamic drive for the operation execution unit, the air compressor also needs to provide the carrier gas required for the experiment for laboratory equipment, and the requirements for all aspects of compressed air equipment are also very high.

The high requirements of the air compressor in the laboratory are mainly manifested in the following aspects:

1. Output air quality

the choice of oil air compressor and oil-free air compressor?

The oil and gas in the oil compressor will affect the valves, nozzles, pollute the air or tamper with the measurement data, and affect the test results, so the laboratory will generally use the oil-free air compressor for analysis, testing or quality control.

Output air drying degree control?

As an analytical carrier gas, it is generally necessary to match the membrane dryer or freeze dryer to completely remove the liquid water in the air and reduce the pressure dew point of the output air to about 5 ℃. Some laboratory equipment even requires the pressure dew point to drop to -40 ℃ or 60 ℃, reaching the humidity level 4 to 1 specified in the ISO8573-1.

Output air dust particle control?

Laboratory analysis and testing instruments have high requirements for the filtration of particulate matter in the air, and generally have to reach the solid particulate matter level 2 or level 1 specified in the ISO8573-1, so the general air compressor is equipped with a precision dust filter.

2. Noise level

as a professional equipment that gets along with laboratory personnel for a long time, the noise control requirements of the machine are very high. At the same time, a relatively quiet environment can provide a good environment for laboratory staff. According to GB/J87-1985, the noise of the central laboratory shall not exceed 60Db, so the noise generated by long-term contact with laboratory equipment by personnel shall not exceed 60Db. The relevant EU standards are more stringent, and the noise of laboratory equipment shall not exceed 55Db, otherwise long-term contact will cause harm to human body.

3. Work stability

A good oil-free laboratory air compressor works reliably behind the scenes, and researchers can concentrate on scientific research. The air compressor provides power and carrier gas for laboratory equipment to ensure continuous and reliable laboratory data analysis and measurement results. It is necessary to ensure that the air compressor can continuously output compressed air at a pressure of 5 ~ 8bar, and the equipment can ensure continuous operation of S1. At the same time, the maintenance of the laboratory air compressor should also be very simple and easy to use.

4. Size

the laboratory space is very limited. A variety of analytical and testing instruments are placed indoors, leaving little space for the air compressor. Therefore, the air compressor matched with laboratory instruments generally needs reasonable use of space. The air compressor system is highly integrated, and the pump head, air storage tank, control components and air post-treatment equipment are generally integrated as a whole, occupying a small space. At the same time, the height of the whole air compressor system is generally less than 800mm and can be placed under the laboratory console.

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