Micro centrifuge

Introduction

A micro centrifuge is a compact laboratory centrifuge designed for the centrifugation of the small samples in the microcentrifuge tubes, and it is used in the biology, the molecular biology, the clinical, and the biochemistry laboratories for the quick separation and the processing of the small volumes of the samples. The micro centrifuge consists of a rotor with the tube holders, a motor, a lid with a safety lock, a control and a display, and a compact housing, and it operates at the high speeds, typically from 5,000 to 15,000 revolutions per minute or higher, and it is used for the centrifugation of the samples in the microcentrifuge tubes, typically 0.2 to 2 milliliters; the micro centrifuge is used for the quick spinning down of the samples, for the separation of the cells and the supernatant, for the precipitation and the collection of the pellets, for the brief centrifugation of the tubes before the opening, for the purification of the nucleic acids, and for many other applications, and it provides a rapid and a convenient centrifugation, with features such as the adjustable speed and time, the quick spin function, and the safety lock; the micro centrifuge is compact and designed for the benchtop use, and it is an essential instrument in the molecular biology laboratory. Micro centrifuges are used in the molecular biology for the nucleic acid purification, in the biochemistry, in the clinical laboratories, in the research, and for many other applications. With their rapid centrifugation, micro centrifuges are essential for the processing of the small samples.

Micro Centrifuge LMC-T2021

Micro Centrifuge reaches a maximum speed of 16,500 rpm with a relative centrifugal force () of up to 18262 × g. It features a resistive touch screen with a full-color for laboratories r...

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Micro Centrifuge LMC-T2020

Micro Centrifuge is capable of reaching its maximum speed of 15,000 rpm in just 10 seconds, with a maximum of 15,093 × g. It has a maximum capacity of 8 × 5 ml and high-speed accuracy ...

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Micro Centrifuge LMC-T2011

Micro Centrifuge operates at maximum speed of 15,000 rpm with 10 rpm increments and ±20 rpm accuracy. Equipped with powerful brushless DC motor ensures maintenance-free operation and lo...

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Micro Centrifuge LMC-T2010

Micro Centrifuge delivers maximum of 21,380×g with 10×g increments, ensuring precise centrifugal control. Its advanced digital control panel allows easy speed adjustments and real-time...

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Standards

IEC 61010-2-020:2016-Particular requirements for laboratory centrifuges

Complies with the above standards, but is not limited to them.

Features

1. Microcentrifuge for high-speed centrifugation of microtubes (1.5/2 mL) in molecular biology labs.

2. Compact bench-top centrifuge with fixed-angle rotor, digital speed/timer and quick-spin function.

3. Suitable for molecular biology, biochemistry, clinical, microbiology and life science research.

4. Includes centrifuge, fixed-angle rotor (12-24 x 1.5/2 mL), power cord and manual.

5. Supports up to 13,000-15,000 rpm (~12,000-17,000 x g) for pelleting cells, nucleic acids and precipitates.

FAQ

Q1: What testing scenarios is this centrifuge mainly applied to?

A: The microcentrifuge spins small-volume samples (0.2-2 mL microtubes) at high speed to pellet solids, cells, nucleic acids, proteins, and precipitates. Used in molecular biology (DNA/RNA extraction (pellet cells, nucleic acid precipitates (ethanol/isopropanol), spin columns for plasmid miniprep, PCR cleanup, gel extraction), protein work (immunoprecipitation, protein precipitation, cell lysate clarification), cell culture (pellet cells, media changes, bacterial/yeast pelleting), clinical (blood/serum separation (microtainer), urine sediment, spin columns for diagnostics), microbiology (bacterial/yeast pelleting, media clarification), and general lab (quick-spin to collect droplets from tube walls, phase separation (phenol-chloroform), precipitates). Typical speed 13,000-15,000 rpm (~12,000-17,000 x g). Rotors: fixed-angle (12, 18, 24 x 1.5/2 mL; some with PCR strip adapters for 0.2 mL). Features: quick-spin (momentary), timer (1-99 min), digital display, lid lock, imbalance shut-off. Refrigerated models available (4 C temp-sensitive samples: enzymes, RNA, cells). Compare to 3249 (PFGE - large DNA, different instrument) and 3248 (gel imaging - post-centrifugation).

Q2: What standards does the centrifuge comply with?

A: Complies with IEC 61010 (lab electrical safety, specifically IEC 61010-2-020 for centrifuges), ISO 17025 (if used in accredited lab), FDA/CE (medical device if clinical diagnostic), and GB/T standards. Hardware meets speed accuracy (+/-100 rpm), timer accuracy, imbalance detection (shuts off if load unbalanced), lid interlock (cannot open while spinning, cannot run with lid open), rotor rating (max speed, load), and biosafety (sealed rotors for hazardous samples - aerosol containment). For clinical diagnostic use, only use IVD-cleared protocols/rotors. For GMP/clinical, follow cGMP and equipment qualification (IQ/OQ). Rotors must be inspected for cracks (aluminum rotors can fatigue/corrode - use rotor life log, decontaminate regularly).

Q3: What is the warranty period for the whole centrifuge and key components?

A: Whole centrifuge covered 12-24 months (some 3 years). Motor (wear - brushless motors 10,000+ hours, 5-10 years; brushed motors shorter), rotor (wear - aluminum rotors can corrode/fatigue, 3-7 years depending on use/decontamination; composite rotors longer), lid lock/sensors (wear), and compressor (if refrigerated, 5-10 years) are key. Damage from improper use, rotor overload (exceeding max tube volume/weight), imbalance (running unbalanced rotor - can damage motor/rotor, dangerous), using wrong rotor (exceeding rotor max speed - rotor failure, catastrophic), corrosive samples (salt, phenol, bleach corrode aluminum rotor - clean immediately, use corrosion-resistant rotor), dropping rotor, liquid spills in chamber (corrode motor), or unauthorized repair is excluded. Extended warranty available. Motor 5-10 years (brushless); rotor 3-7 years (aluminum, corrosion dependent); compressor (refrigerated) 5-10 years. Rotor maintenance critical: inspect for cracks, decontaminate, log use/hours, retire at manufacturer life limit.

Q4: Is this device difficult to operate? Is professional training required?

A: Very simple: load tubes in rotor (BALANCE - equal weight opposite each other, cap tubes facing same direction, use adapters for different tube sizes), close lid, set speed (rpm or g) and time, press start, wait for stop (brake), open lid, remove samples. Quick-spin for brief spins. No professional training required, but BALANCE and rotor safety are critical. Training half day. Safety: HIGH SPEED/ROTOR HAZARD (rotor at 15,000 rpm stores enormous energy - rotor failure is catastrophic (shrapnel); never exceed rotor max speed, inspect rotor for cracks, use only manufacturer rotors, do not open lid while spinning (interlock), imbalance can cause machine to walk/damage - always balance), AEROSOL/BIOSAFETY (clinical/pathogenic samples can create aerosols if tube breaks - use sealed rotors/buckets, work in BSC for BSL-2+, decontaminate after use), CHEMICAL (phenol, chloroform, acids, organic solvents - toxic/corrosive/flammable; wear PPE, fume hood for volatile; spills in chamber corrode rotor - clean immediately with mild detergent/water, do not use abrasive/bleach on aluminum (corrosion)), ELECTRICAL (proper grounding, unplug before cleaning rotor/chamber), NOISE (high-speed centrifuges 55-70 dB - generally OK, hearing protection if prolonged), do not use cracked tubes (can break, imbalance, aerosol), do not fill tubes above max (leak, imbalance), do not use glass tubes in fixed-angle (break risk - use plastic), for refrigerated: pre-cool before use, do not block vents, for RNA/enzyme work: use refrigerated (4 C) to prevent degradation, clean rotor after corrosive samples (salt, phenol, guanidinium), rotor life: aluminum rotors have finite life (corrosion fatigue) - log hours, inspect, retire per manufacturer (typically 5-7 years or when pitting/cracks), dispose of biohazard waste properly, decontaminate rotor/chamber with 70% ethanol or appropriate disinfectant (not bleach on aluminum - corrodes; use RNase Away for RNA work).

Q5: What is the typical lead-time for order delivery?

A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.

Q6: Is regular calibration required? What is the recommended calibration cycle?

A: Calibrate speed and timer every 6-12 months (tachometer for speed, stopwatch for timer; verify at multiple setpoints). Routine: check lid interlock, imbalance shut-off (test with unbalanced load periodically), and rotor condition (inspect for cracks/corrosion before each use or weekly). For refrigerated models, calibrate temperature annually with calibrated thermometer. For ISO 17025/GMP/clinical, maintain calibration records (tachometer traceable, as-found/as-left) and IQ/OQ. Rotor inspection is critical safety: before each use check for cracks, pitting, corrosion; log rotor hours; retire at life limit. If centrifuge is dropped, motor serviced, or rotor replaced, recalibrate/verify. Brushless motors are low-maintenance but verify speed annually.

Q7: Are supporting consumables universal?

A: Rotors/adapters are centrifuge-model-specific (use OEM or certified compatible - using wrong rotor is dangerous). Microtubes (1.5/2 mL, 0.2 mL PCR strips) universal lab supply. Rotor seals/o-rings specific. Long-term cost: rotor replacement (every 3-7 years, $300-$1500), microtubes (consumable, low cost), and occasional motor service. Very low ongoing cost compared to other lab instruments.

Q8: Can I customize parameters or supporting accessories?

A: Customization includes max speed (13,000, 15,000, 17,000, 21,000 rpm; higher g for smaller pellets), refrigeration (ambient or refrigerated 4 C for temp-sensitive samples: RNA, enzymes, cells), rotor capacity (12, 18, 24 x 1.5/2 mL; with 0.2 mL PCR strip adapters, 0.5 mL adapters), rotor material (aluminum (standard, lighter) vs composite (corrosion-resistant, heavier) vs sealed biosafe), features (digital vs analog, quick-spin, short-spin, variable brake, soft start/stop (for delicate samples), touchscreen, memory programs, lid heater (prevents condensation in refrigerated), imbalance detection, auto lid release), safety (sealed rotor for biohazard, explosion-proof (rare)), accessories: extra rotors (fixed-angle, swing-bucket for microplates), tube adapters (0.2, 0.5, 1.5, 2 mL, PCR strips), rotor oil/grease, calibration tachometer, validation package (IQ/OQ/PQ for clinical/GMP), certifications (CE, IEC 61010, FDA IVD if clinical, UL).

Q9: Does the purchase include on-site installation and commissioning service?

A: Standard delivery includes centrifuge, rotor, power cord, manual (extra rotors/adapters separate). On-site installation not required for microcentrifuges (unbox, place on bench, use). On-site training not needed for basic use. For GMP/clinical-grade or refrigerated high-speed models, IQ/OQ available at additional cost. Always verify lid interlock, imbalance shut-off, and speed before first use. Rotor installation: ensure rotor seated properly, tighten rotor nut per manufacturer.

Q10: What types of samples are compatible with this equipment?

A: Compatible: 0.2-2 mL microtubes with aqueous/biological samples (cell suspensions, nucleic acid/protein precipitates, bacterial cultures, blood/serum, urine, reagents, spin columns). Not compatible: tubes larger than rotor capacity (use larger centrifuge), glass tubes (break risk in fixed-angle - use plastic), samples with high corrosive content without rotor protection (phenol, guanidinium, bleach - clean immediately, use corrosion-resistant rotor), flammable/explosive samples (risk if tube breaks - use sealed rotor, fume hood, or avoid), radioactive samples (unless licensed/shielded rotor), or volumes exceeding tube max (leak, imbalance). For swing-bucket applications (larger volume, rate-zonal), use larger centrifuge. For high-speed >20,000 g or ultracentrifugation (>100,000 g), use ultracentrifuge. Always balance tubes within +/-0.1 g (use balance, fill equal volumes, use same tube type). Cap tubes securely (unbalanced caps can fail at high g).