Ultra flat magnetic stirrer

Introduction

An ultra flat magnetic stirrer is a magnetic stirrer with a very low profile and a flat design, used for the stirring and the mixing of the liquids, and it is used in the laboratories, the clinical, the pharmaceutical, and the research applications for the mixing of the solutions. The ultra flat magnetic stirrer consists of a flat and a low-profile housing, a rotating magnet under the top plate, a motor, a speed control, and, in some models, a heating function, and it operates by the rotation of the magnetic field, which rotates the magnetic stir bar in the liquid in the container placed on the top plate, and it provides a continuous stirring, with features such as the adjustable speed and the digital display; the ultra flat magnetic stirrer is designed for the applications where the space is limited and the low profile is required, and it is used for the mixing of the reagents, for the preparation of the solutions, for the titration, for the stirring of the samples in the cell culture, for the incubation, and for many other applications, and it is available in various sizes, with the different stirring capacities, and it is an essential instrument for the stirring in the laboratory. Ultra flat magnetic stirrers are used in the chemistry and the biology laboratories, in the clinical laboratories, in the pharmaceutical industry, in the food industry, and for many other applications. With their ultra flat design, ultra flat magnetic stirrers are essential for the convenient stirring.

Ultra-T3lat Magnetic Stirrer LFMS-T2010

Ultra-flat Magnetic Stirrer operates within a speed range of 15 to 1500 rpm. It accommodates a maximum stirring volume of 0.8 litres for light-duty mixing tasks. The Ø90 mm work plate p...

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Standards

IEC 61010-2-051:2018-Particular requirements for laboratory equipment for mixing and stirring

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

Features

1. Ultra flat magnetic stirrer with low-profile design for space-saving, stable magnetic stirring of solutions.

2. Slim, compact magnetic stirrer with smooth flat surface for efficient mixing in limited bench space.

3. Suitable for chemistry, biology, pharmaceutical, clinical, food, environmental and research laboratories.

4. Includes ultra-flat stirrer body, magnetic stir bar, speed controller, power supply and operation manual.

5. Supports magnetic stirring of solutions, reagents and samples in beakers, flasks and vessels on a compact platform.

FAQ

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

A: The ultra flat magnetic stirrer is used in chemistry, biology, pharmaceutical, clinical, food and beverage, environmental, and research laboratories where bench space is limited, providing compact, low-profile magnetic stirring of solutions using a rotating magnetic field driving a stir bar inside the vessel. The ultra-flat design saves space and allows easy placement under fume hoods, in incubators, or on crowded benches. It supports chemical synthesis (stirring reaction mixtures in small-to-medium beakers and flasks), sample preparation (dissolving reagents, preparing standards, buffers, mixing samples), biology (preparing media, buffers, staining solutions), pharmaceutical (reagent preparation, formulation mixing), clinical (reagent mixing, sample preparation), food/beverage (sample prep, dissolving additives), environmental (water sample prep, reagent mixing), and general laboratory use where compact, efficient stirring is needed and space is constrained (fume hoods, anaerobic chambers, incubators (if rated for use inside), small workstations).

Q2: What standards does the stirrer comply with?

A: The ultra flat magnetic stirrer follows relevant IEC, ISO and GB/T standards including IEC 61010 (safety requirements for electrical laboratory equipment), and applicable laboratory equipment standards. The hardware complies with applicable EMC standards (IEC 61326). For pharmaceutical/regulated use, follow GMP equipment management requirements. Calibration should verify stirring speed (RPM) with calibrated tachometer. For heated models (if applicable), temperature calibration with certified thermometer. Magnetic stirrers are low-risk general laboratory equipment; no specific medical device certification is required for general laboratory use.

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

A: The whole ultra flat magnetic stirrer is covered by a 12-month warranty. The motor, magnets, drive mechanism, controller, flat plate, and housing are covered, while magnetic stir bars (consumable), power cord, and fuses are consumables or accessories. Damage from improper use, overloading (exceeding volume/viscosity), liquid spillage (ultra-flat design may have less spill protection - clean promptly; some models are spill-resistant), motor failure, dropping, or unauthorized repair is excluded. Extended warranty may be available. Motors have long lifespan (5-10 years with normal use).

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

A: Operation is very simple (place vessel with stir bar on plate, turn on, set speed). No professional training required. We provide operation manuals. Proper setup (place on stable, level surface (ultra-flat design is lightweight - ensure it does not slide; use non-slip pad if needed), ensure adequate ventilation (motor generates heat - do not block vents; ultra-flat units may have vents on sides/bottom), connect power), vessel preparation (select appropriate vessel (beaker, Erlenmeyer flask, bottle - flat bottom works best; ultra-flat plate may have smaller diameter - ensure vessel base fits on plate), select stir bar (size matches vessel: small bar for 5-50 mL, medium for 50-500 mL, large for 500-2000 mL; use PTFE-coated bar; ensure bar is clean), place bar in vessel, add liquid (cover bar with at least 1-2 cm liquid), place vessel centered on plate (centering is important for magnetic coupling; ultra-flat magnets may have smaller coupling area - ensure vessel is centered), speed setting (start low (100-200 RPM) and gradually increase (prevents bar jump/spin-out; ultra-flat stirrers may have lower maximum speed or torque due to compact design - do not exceed recommended speed for vessel size), set desired speed (typical 100-1200 RPM; gentle = 100-300, moderate = 300-800, vigorous = 800-1200), operation (monitor stirring (bar should rotate smoothly; if bar stops or jumps (spin-out), reduce speed, use larger bar, check vessel centering; ultra-flat design may have less magnetic coupling strength than full-size stirrers - better for small-to-medium volumes and low-to-moderate viscosity), do not leave unattended with hazardous samples, post-operation (turn off, wait for bar to stop before removing vessel, use magnetic retriever to remove bar, clean plate (wipe with damp cloth; do not use abrasive cleaners; ultra-flat surface may scratch easily - be careful), maintenance (periodic cleaning (wipe exterior, clean spills immediately), speed verification (every 6-12 months with tachometer), motor inspection (listen for unusual noise, overheating), and safety (do not stir flammable solvents near ignition sources (use explosion-proof stirrer or fume hood), do not overload (ultra-flat stirrers have lower torque/capacity than full-size - use for small-to-medium volumes (<2 L typically) and low viscosity; for large/viscous, use overhead stirrer or full-size magnetic stirrer), do not place hands near moving stir bar when removing vessel, do not use damaged stir bar (cracked coating exposes magnet, contaminates sample)) are important for reliable stirring.

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: Stirring speed (RPM) verification recommended every 6-12 months using calibrated tachometer or optical RPM meter (verify at multiple settings (200, 500, 1000 RPM); accuracy typically +/- 5-10% for analog, +/- 2-5% for digital). For heated models, temperature calibration every 6-12 months with certified thermometer. Routine functional check before each use (turn on, verify smooth rotation, no unusual noise). Full maintenance annually (motor, bearings, magnets, electrical). For regulated labs (GMP, ISO 17025), follow applicable equipment maintenance schedules and maintain records. Ultra-flat magnetic stirrers are low-maintenance; speed verification ensures reproducible mixing for experiments.

Q7: Are supporting consumables universal?

A: Magnetic stir bars (PTFE-coated, various sizes - universal, work with any magnetic stirrer; ensure size matches vessel), magnetic retriever wand (universal), power cord, and fuses are available from laboratory supply companies. Stir bars are standard consumables. Long-term cost is minimal (stir bars last years but can crack/lose coating over time).

Q8: Can I customize parameters or supporting accessories?

A: Customization includes plate size (small (8x8 cm to 10x10 cm) for microvolumes/small vessels, medium (12x12 cm to 15x15 cm) for general use, large (15x20 cm+) for larger vessels - ultra-flat design typically favors smaller footprint), speed range (100-1200 RPM standard, 50-1500 RPM for high-speed, 0-300 RPM for low-speed gentle stirring), speed control (analog (dial, simple) or digital (LED display, memory, soft start, timer)), heating capability (stirrer only (no heat) vs hotplate stirrer (integrated heating - ultra-flat hotplates exist but may have lower max temp due to slim design; verify if heating needed)), number of positions (single (standard) or multi-position (2-4 positions for parallel experiments - ultra-flat multi-position available for high-throughput)), construction (plate material (stainless steel (durable, chemical-resistant), ceramic (smooth, chemical-resistant, good for heated models), aluminum (lightweight, good heat transfer for heated)), housing (plastic (lightweight, low cost) or metal (durable)), spill-resistant design (gaskets, raised edges - important for ultra-flat units that may be more vulnerable to spills), safety features (overload protection, soft start, emergency stop), power (AC only, or AC + rechargeable battery (for field use/incubators)), certifications (CE, cULus, FCC), language and accessories. Additional stir bars, retriever, and accessories can be ordered separately.

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

A: Standard delivery includes the ultra flat magnetic stirrer, stir bar(s), power cord and instruction manual. On-site installation is not required (plug-and-play). On-site training is not included (operation is intuitive). Remote guidance is provided.

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

A: The ultra flat magnetic stirrer mixes liquid samples in flat-bottom vessels including chemical solutions (reagents, solvents, reaction mixtures, standards, titration solutions - in beakers, Erlenmeyer flasks, bottles; volumes typically 5 mL to 2 L depending on model), biological buffers and media (PBS, Tris, HEPES, cell culture media (preparation only - not for live cell stirring), agar/broth (with heating if hotplate model), staining solutions), pharmaceutical formulations (API solutions, suspensions (gentle stirring), buffers, reagents), clinical samples (urine, reagents, standards - gentle mixing; do not stir whole blood (hemolysis)), food/beverage samples (sample preparation, dissolving additives, mixing standards), environmental samples (water samples, soil extracts, reagent mixing), and general laboratory solutions. NOT suitable for: Highly viscous materials (greases, pastes, dense slurries - ultra-flat stirrer has lower torque; use overhead stirrer), large volumes (>2-5 L - beyond ultra-flat coupling capacity; use full-size stirrer or overhead), solid-heavy mixtures (high solid content, slurries - bar may get stuck; use overhead), cell cultures (living cells - magnetic stirring causes shear and cell damage; use orbital shaker/roller bottle), ferromagnetic particles in sample (interfere with magnetic field, bar attracts particles; use overhead), very small volumes (<5 mL - bar may be too large; use micro stir bar or vortex), and anaerobic/hypersensitive reactions (standard unit not sealed; use sealed reactor with overhead stirrer or magnetic stirrer with inert gas purge). IMPORTANT: Ultra flat magnetic stirrer considerations: (1) Space-saving advantage: Ultra-flat design (typically 2-5 cm height, compared to 8-15 cm for standard stirrers) saves vertical bench space, fits under fume hood sashes, in incubators (if rated), and in tight spaces. The low profile also makes it easier to view samples and access vessels. (2) Trade-offs: Ultra-flat design may have: smaller magnets (lower coupling strength - may not handle large vessels or high viscosity as well as full-size stirrers), lower maximum speed/torque (compact motor), less heat dissipation (if heated model, lower max temperature), smaller plate diameter (vessel base must fit), potentially less spill protection (slim housing - ensure spill-resistant design if handling liquids). (3) Best for: small-to-medium volumes (5 mL to 2 L), low-to-moderate viscosity solutions, general reagent preparation, space-constrained labs, use inside fume hoods/incubators, multi-position parallel stirring. (4) Not ideal for: large volumes (>2 L), high viscosity, high-speed vigorous mixing, heavy-duty continuous use - for these, use full-size magnetic stirrer or overhead mechanical stirrer. (5) Magnetic coupling: The stir bar must be within range of the rotating magnets under the plate. Ultra-flat units have magnets closer to the plate surface (good coupling for thin-bottom vessels) but may have smaller magnet diameter (narrower coupling zone). Always center the vessel on the plate for best coupling. (6) Stir bar selection: Use the largest bar that fits the vessel bottom (larger bar = more torque, better mixing, less likely to spin-out). For ultra-flat stirrers with lower torque, proper bar selection is even more important. (7) Heating: If purchasing an ultra-flat hotplate stirrer, verify maximum temperature (some ultra-flat models only reach 100-150 degrees C due to slim design and heat dissipation; full-size hotplates reach 300-500 degrees C). For high-temperature applications, use full-size hotplate stirrer. (8) Incubator/cold room use: If intending to use inside incubator (37 degrees C) or cold room (4 degrees C), verify the stirrer is rated for that temperature range (electronics may not function reliably at temperature extremes; condensation in cold room can damage electronics). Some ultra-flat stirrers are designed for incubator use (heat-resistant electronics). Common errors: (1) Starting at high speed (bar jumps, splashes; always start low and ramp up). (2) Wrong bar size (too small = no mixing, too large = stuck; match to vessel). (3) Off-center vessel (poor coupling, spin-out; center vessel). (4) Not enough liquid (bar cannot rotate, jumps; ensure liquid covers bar). (5) Overloading (too large volume or too viscous for ultra-flat unit; use appropriate equipment). (6) Spills on ultra-flat unit (can seep into electronics if not spill-resistant; clean immediately, use spill-resistant model). (7) Using damaged bar (cracked coating = contamination, rust; replace).