Low Speed Centrifuge LLS-T411

Introduction

Low Speed Centrifuge of 2200 g for precise sample separation. Its brushless DC motor is for maintenance-free operation. The induction speed control ensures accurate speed regulation. Its frequency conversion drive enhances energy efficiency. Our low speed centrifuge features on-the-fly adjustments that modify parameters during operation.

It utilizes high-speed rotation to separate components of different densities, widely used in biological, medical, and chemical laboratories. The unit is equipped with safety protection systems to ensure operator safety during high-speed operation.

Applications

Low Speed Centrifuge  is a lab instrument that separates components of a mixture based on density. It does this by spinning samples at relatively low speed, making it ideal for gentle separations like blood cells or large particles.

Specifications

Maximum Capacity	300 ml (50 ml × 6 ml)
	2200 g
Speed	4000 rpm
Speed Accuracy	Target Speed × 2%
Rotor	50ml × 6/15ml × 12/10ml × 12/15ml × 8/20ml × 6
Time	0 to 99 mins
Display	touch screen
Noise	≤ 56 dB
Voltage	AC 220/110 V 50 to 60 Hz
Power Consumption	120 W
Dimensions (L × W × H)	335 × 290 × 225 mm
Net Weight	11 kg

Features

Self-Diagnosis Fault System

Overspeed Protection Function

Speed Loss Detection

Auto Slowdown Safety

Nine-Speed Lift Function

FAQs

1. What is the maximum sample volume that can be processed in the centrifuge?

The maximum sample volume depends on the type of rotor used with the centrifuge. Typical rotors can accommodate sample volumes ranging from 0.2 mL (microcentrifuge tubes) to 50 mL (conical tubes) or larger for specialized rotors. It is important to check the centrifuge's specifications and rotor compatibility to ensure that the sample volume does not exceed the recommended limits, which could affect centrifugation efficiency and safety.

2. How to balance the centrifuge before operation?

Proper balancing is critical for safe and effective centrifuge operation: 1) Ensure that all sample tubes have the same volume and weight; 2) Place the tubes symmetrically in the rotor, opposite each other; 3) For odd numbers of samples, use a balance tube filled with the same volume of appropriate solution; 4) Check that the rotor is properly seated and secured in the centrifuge; 5) Avoid overloading the rotor beyond its maximum capacity.

3. What is the difference between relative centrifugal force (RCF) and revolutions per minute (RPM)?

RCF is a measure of the centrifugal force applied to the sample, expressed in multiples of gravity (x g), and depends on both the RPM and the radius of the rotor. RPM is a measure of the rotor's rotation speed in revolutions per minute. The relationship between RCF and RPM is given by the formula: RCF = 1.118 × 10^-5 × r × RPM² (where r is the rotor radius in centimeters). For most applications, RCF is the preferred parameter as it directly relates to the separation efficiency, regardless of rotor size.

4. How to maintain the centrifuge to ensure long service life?

Regular maintenance includes: 1) Cleaning the rotor and chamber after each use to remove sample spills and debris; 2) Inspecting the rotor for cracks, corrosion, or wear before each use; 3) Lubricating moving parts according to the manufacturer's recommendations; 4) Calibrating the speed and temperature controls annually or after major service; 5) Ensuring proper ventilation around the centrifuge to prevent overheating; 6) Storing the centrifuge in a clean, dry environment when not in use.

5. What safety precautions should be taken when using the centrifuge?

Important safety precautions include: 1) Always balance the sample tubes properly before operation; 2) Ensure the rotor is correctly installed and secured; 3) Do not open the centrifuge lid while the rotor is still spinning; 4) Use appropriate personal protective equipment (gloves, goggles) when handling samples and cleaning the equipment; 5) Avoid overloading the centrifuge beyond its maximum capacity; 6) Regularly inspect the centrifuge for any signs of damage or malfunction and discontinue use if any issues are found.

1. What is the Low Speed Centrifuge used for?

The Low Speed Centrifuge from It is primarily used for separating the components of a mixture based on their densities. By spinning liquid samples at relatively low revolutions per minute (), it facilitates the sedimentation of heavier particles to the bottom of the centrifuge tube. This makes it especially effective for applications like the separation of blood components (e.g., plasma from cells), sedimentation of urine for microscopic analysis, or initial clarification of biological samples. Its low speed operation ensures that fragile components such as red blood cells or epithelial cells remain intact, which is essential in clinical and diagnostic procedures. The is a staple in clinical labs, academic teaching settings, and small research labs due to its reliable, reproducible, and gentle centrifugation.

2. What is the maximum speed and capacity of the Low Speed Centrifuge ?

The It is designed to operate at a maximum speed typically between 4000 and 5000 , depending on the specific model and rotor type used. This range allows for gentle separation processes that prevent cellular damage. The centrifuge supports various rotor configurations, usually accommodating 6 to 12 centrifuge tubes per run, with capacities ranging from 5 mL to 15 mL. This makes it versatile for batch processing of small to medium sample volumes. The rotor’s design also ensures uniform sample separation by maintaining balance and symmetry during operation. Users can choose from fixed-angle or swing-out rotor options based on their application requirements.

3. What safety features are included in the Low Speed Centrifuge ?

includes an automatic lid locking system that prevents the lid from opening while the rotor is in motion, minimizing the risk of sample spillage or injury. Imbalance detection is another critical feature, which stops the machine if the rotor is unevenly loaded, thereby preventing mechanical stress or failure. Additionally, over-speed protection ensures the rotor never exceeds the safe operational limits, and motor overheating protection extends the life of the motor while protecting samples. The base typically includes anti-vibration feet or suction cups to secure the unit during operation, reducing noise and ensuring operator safety.

4. Can the speed and run time be adjusted on the Low Speed Centrifuge ?

Yes, the It offers precise control over both speed and run time through either a digital or analog control interface. Users can set the (revolutions per minute) or (relative centrifugal force) depending on their experimental needs. Run times can usually be programmed between 1 minute to 99 minutes, with some models offering a continuous run feature for extended separations. This programmability ensures accurate and repeatable results, which is crucial for diagnostic labs and research environments. It also allows for the optimization of centrifugation protocols based on the type and sensitivity of the samples being processed.