Installation is the first step in using a low-temperature centrifuge.
Release time:
2016-03-07
Overview:
Low-temperature centrifuges are primarily used to collect microorganisms, cellular debris, cells, large organelles, sulfate precipitates, and immunoprecipitates. They are commonly employed in various biochemical laboratories. Over the past few years, thanks to their superior product performance, low-temperature centrifuges have increasingly gained popularity and attention. Next, our editor will briefly introduce some relevant information about low-temperature centrifuges.
Low-temperature centrifuge It is primarily used to collect microorganisms, cellular debris, cells, large organelles, sulfate precipitates, and immunoprecipitates. It is commonly employed in various biochemical laboratories. Over the past few years, with its outstanding product performance, low-temperature centrifuges have increasingly gained popularity and attention. Next, our editor will briefly introduce some relevant information about low-temperature centrifuges.
A Brief Discussion on the Centrifugal Principle of Low-Temperature Centrifuges:
When a suspension containing fine particles is left undisturbed, the particles suspended in the liquid gradually settle down under the influence of the gravitational field. The heavier the particles, the faster they sink; conversely, particles with a density lower than that of the liquid will rise to the surface. The rate at which particles move under gravity depends on their size, shape, and density, as well as on the strength of the gravitational field and the viscosity of the liquid. Particles on the order of red blood cell size—typically several micrometers in diameter—can be observed undergoing sedimentation even under normal gravitational conditions.
Moreover, as particles settle in a medium, they are accompanied by the phenomenon of diffusion. Diffusion is unconditional and absolute. It is inversely proportional to the mass of the substance—thus, the smaller the particles, the more pronounced the diffusion. In contrast, sedimentation is relative and conditional; it requires external forces to occur. Sedimentation is directly proportional to the weight of the object—hence, the larger the particles, the faster they settle. For particles smaller than a few micrometers—such as viruses or proteins—when they exist in solution in a colloidal or semi-colloidal state, it is simply impossible to observe the sedimentation process solely by gravity. This is because the smaller the particles, the slower their sedimentation rate, while the diffusion phenomenon becomes increasingly significant. Therefore, it is necessary to use a centrifuge to generate a powerful centrifugal force, enabling these tiny particles to overcome diffusion and initiate sedimentation movement.
Centrifugation utilizes the powerful centrifugal force generated by the high-speed rotation of a centrifuge rotor to accelerate the sedimentation rate of particles in a liquid, thereby separating substances in a sample that have different sedimentation coefficients and buoyant densities.
At Low-temperature centrifuge In actual use, pre-packaging is essential for ensuring efficient cloud-like operation after installation. Proper installation plays a crucial role in facilitating smooth subsequent use. Next, our editor will briefly introduce the preparatory steps you should take before installing a low-temperature centrifuge—steps we hope will be helpful for your future operations.
1. Power Supply Voltage: The voltage fluctuation must comply with the national standard within ±10%. Otherwise, centrifuges from certain manufacturers may fail to operate properly. If the voltage fluctuation exceeds this range, it is recommended to use a voltage stabilizer to ensure compliance with the power grid requirements.
2. The floor must be level and stable: For large centrifuges, the floor at the installation site must be sturdy and well-secured to ensure that the centrifuge rotor operates smoothly without sinking or deforming. The floor surface at the installation and fixing location should be both level and solid.
3. Adjust the level: Find a small, relatively accurate spirit level. With the centrifuge lid open, locate the horizontal position on the main shaft. Adjust the level by turning the adjusting bolts located next to the four casters. Be sure that one of the casters does not lift off the ground.
4. The grounding wire must be secure: The wiring of the room’s power supply must meet the required standards. In China, the standard power system is a three-phase four-wire system. The three phases refer to the three-phase electricity used in industrial applications. When using three-phase electricity, the neutral wire and the ground wire must be kept separate. More importantly, whether it’s three-phase industrial power or ordinary single-phase power, the ground wire must be reliably connected to prevent electric leakage. Under no circumstances should the ground wire be connected to heating pipes or water pipes.
More about Low-temperature centrifuge For more information, we welcome everyone to continue following our company’s website.
A Brief Discussion on the Centrifugal Principle of Low-Temperature Centrifuges:
When a suspension containing fine particles is left undisturbed, the particles suspended in the liquid gradually settle down under the influence of the gravitational field. The heavier the particles, the faster they sink; conversely, particles with a density lower than that of the liquid will rise to the surface. The rate at which particles move under gravity depends on their size, shape, and density, as well as on the strength of the gravitational field and the viscosity of the liquid. Particles on the order of red blood cell size—typically several micrometers in diameter—can be observed undergoing sedimentation even under normal gravitational conditions.
Moreover, as particles settle in a medium, they are accompanied by the phenomenon of diffusion. Diffusion is unconditional and absolute. It is inversely proportional to the mass of the substance—thus, the smaller the particles, the more pronounced the diffusion. In contrast, sedimentation is relative and conditional; it requires external forces to occur. Sedimentation is directly proportional to the weight of the object—hence, the larger the particles, the faster they settle. For particles smaller than a few micrometers—such as viruses or proteins—when they exist in solution in a colloidal or semi-colloidal state, it is simply impossible to observe the sedimentation process solely by gravity. This is because the smaller the particles, the slower their sedimentation rate, while the diffusion phenomenon becomes increasingly significant. Therefore, it is necessary to use a centrifuge to generate a powerful centrifugal force, enabling these tiny particles to overcome diffusion and initiate sedimentation movement.
Centrifugation utilizes the powerful centrifugal force generated by the high-speed rotation of a centrifuge rotor to accelerate the sedimentation rate of particles in a liquid, thereby separating substances in a sample that have different sedimentation coefficients and buoyant densities.
At Low-temperature centrifuge In actual use, pre-packaging is essential for ensuring efficient cloud-like operation after installation. Proper installation plays a crucial role in facilitating smooth subsequent use. Next, our editor will briefly introduce the preparatory steps you should take before installing a low-temperature centrifuge—steps we hope will be helpful for your future operations.
1. Power Supply Voltage: The voltage fluctuation must comply with the national standard within ±10%. Otherwise, centrifuges from certain manufacturers may fail to operate properly. If the voltage fluctuation exceeds this range, it is recommended to use a voltage stabilizer to ensure compliance with the power grid requirements.
2. The floor must be level and stable: For large centrifuges, the floor at the installation site must be sturdy and well-secured to ensure that the centrifuge rotor operates smoothly without sinking or deforming. The floor surface at the installation and fixing location should be both level and solid.
3. Adjust the level: Find a small, relatively accurate spirit level. With the centrifuge lid open, locate the horizontal position on the main shaft. Adjust the level by turning the adjusting bolts located next to the four casters. Be sure that one of the casters does not lift off the ground.
4. The grounding wire must be secure: The wiring of the room’s power supply must meet the required standards. In China, the standard power system is a three-phase four-wire system. The three phases refer to the three-phase electricity used in industrial applications. When using three-phase electricity, the neutral wire and the ground wire must be kept separate. More importantly, whether it’s three-phase industrial power or ordinary single-phase power, the ground wire must be reliably connected to prevent electric leakage. Under no circumstances should the ground wire be connected to heating pipes or water pipes.
More about Low-temperature centrifuge For more information, we welcome everyone to continue following our company’s website.
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