Magnetic Stirrer(MS-PA)

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The MS-PA Magnetic Stirrer is a compact, digital, non‑heating benchtop instrument engineered for precise, reliable, and safe stirring in clinical diagnostics, pharmaceutical quality control, food and feed testing, environmental monitoring, and academic research laboratories. Featuring a 5‑inch (φ135 mm) Nylon+GF (glass fiber reinforced) work plate that resists many common laboratory chemicals, this stirrer delivers a maximum stirring capacity of 3 liters of water and a digital speed range of 100 to 1500 rpm (200–1500 rpm depending on model) with clear LED display for real‑time speed monitoring.

Every MS-PA is equipped with a maintenance‑free, spark‑free brushless DC motor that provides quiet, stable, long‑term operation without routine maintenance. The microprocessor‑controlled feedback system maintains constant speed even during changes in load, ensuring reproducible mixing conditions across experiments. The compact footprint (150 × 260 × 80 mm) and light weight (1.8 kg) make it easy to fit on crowded benchtops and move between workstations.

Key user‑focused features include digital speed control with LED display for precise parameter setting and monitoring; a chemically resistant Nylon+GF work plate for durability against common spills; a brushless DC motor for long life and safe operation in environments where flammable solvents may be present; a fully enclosed flame‑retardant plastic housing with IP42 rating for dust and splash protection; and a universal power supply (100‑240 V, 50/60 Hz) for worldwide use without voltage conversion.

For the clinical laboratory scientist, pharmaceutical QC technician, food safety analyst, environmental scientist, and teaching laboratory instructor, the MS-PA delivers the precise, reliable, and compact stirring required for routine reagent preparation, buffer mixing, standard solution preparation, sample homogenization, and quality control workflows. For the patient, the consistent, reproducible performance of this instrument helps ensure that diagnostic reagents, quality control materials, and research samples are prepared accurately and efficiently, directly supporting reliable diagnostic outcomes, regulatory compliance, and patient safety.

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Description

Magnetic Stirrer(MS-PA)

PRIMARY CLINICAL & DIAGNOSTIC USES

1. Digital, Precision Stirring for Routine Clinical and Research Laboratories
Primary Use: Provides a non‑heating, LED digital magnetic stirrer with a 5‑inch (φ135 mm) Nylon+GF (glass fiber reinforced) work plate and a maintenance‑free brushless DC motor, used for the precise and reproducible mixing of aqueous solutions, buffers, reagents, and clinical specimens in clinical diagnostic, pharmaceutical, and research laboratories. It features a maximum stirring capacity of 3 liters (water), a digital speed range of 100 to 1500 rpm (or 200–1500 rpm depending on model), an LED display for clear speed readout, and a microprocessor‑controlled feedback system that ensures accurate and stable stirring performance.

How it helps: For the clinical laboratory scientist and medical technologist, the MS-PA’s digital speed control and LED display provide precise, real‑time monitoring of stirring speed, reducing guesswork and improving reproducibility across experiments. The brushless DC motor delivers quiet, low‑vibration operation with long‑term reliability and requires no routine maintenance. The Nylon+GF work plate offers good chemical resistance against many common laboratory reagents, including alcohols, dilute acids, and buffers. The IP42‑rated housing provides protection against dust and splashing water, making it suitable for busy clinical and research benches. For the patient, consistent and reproducible mixing of reagents, buffers, and quality control materials directly supports accurate diagnostic test results and reliable clinical decision‑making.

2. Routine Sample Preparation for Clinical Chemistry, Immunoassays, and Molecular Diagnostics
Primary Use: Used for the gentle mixing of patient serum, plasma, urine, or whole blood samples with diagnostic reagents, as well as the preparation of buffer solutions, wash buffers, diluents, and extraction reagents for routine clinical chemistry panels, immunoassays, and molecular diagnostic workflows.

How it helps: For the clinical chemistry and molecular diagnostics technologist, the wide digital speed range (100–1500 rpm) allows precise adjustment from a slow, gentle stir for sensitive biological samples to a more vigorous mixing for dissolving powdered reagents or homogenizing suspensions. The microprocessor‑controlled feedback technology maintains constant speed even when the viscosity of a solution changes, ensuring consistent mixing conditions. The compact 150 × 260 × 80 mm footprint and light weight (1.8 kg) save valuable bench space and allow easy movement between workstations. For the patient, accurate and reproducible sample preparation directly impacts the quality of diagnostic results for conditions such as diabetes, kidney disease, infectious diseases, and genetic disorders.

3. General Reagent and Buffer Preparation in Pharmaceutical, Food, and Environmental Laboratories
Primary Use: Enables the efficient dissolution of solids and preparation of standard solutions, buffers, mobile phases, and extraction solvents for HPLC, UV‑Vis spectrophotometry, and other analytical methods in pharmaceutical quality control, food safety testing, and environmental monitoring laboratories.

How it helps: For the pharmaceutical QC analyst, food safety technician, and environmental scientist, the MS-PA’s robust construction and chemically resistant Nylon+GF work plate provide a reliable stirring platform for daily solution preparation. The 3‑liter capacity is adequate for most routine buffer and standard solution batches used in quality control testing, sample extraction, and method validation. The brushless DC motor can run continuously for extended periods without overheating, supporting long‑duration extraction protocols and stability studies. The digital speed display allows operators to document and replicate exact stirring conditions for GLP‑compliant workflows. For the patient, properly prepared standards, quality control samples, and extraction reagents ensure the accuracy, safety, and regulatory compliance of pharmaceutical products and the food supply, as well as the reliability of environmental monitoring data that protects public health.

SECONDARY & SUPPORTIVE USES

1. Chemical synthesis and reaction optimization in research laboratories: Provides stable, reproducible stirring for small‑scale chemical synthesis, reaction optimization, and solution homogenization in organic chemistry, medicinal chemistry, and material science research, with digital speed control allowing precise parameter replication across experiments.

2.Enzymatic reactions and biocatalysis in biopharmaceutical research: Suitable for gentle stirring of enzyme solutions, substrate mixtures, and biocatalytic reaction systems where consistent, non‑shear mixing is required to maintain enzyme activity and reaction efficiency, with the brushless DC motor providing smooth, low‑shear agitation.

3. Sample preparation for environmental and food safety testing: Prepares liquid samples for heavy metal analysis, pesticide residue screening, nutrient determination, and food additive testing by maintaining solid particles in suspension for accurate sampling, with the Nylon+GF work plate resistant to many extraction solvents and acidic solutions.

4. Educational and teaching laboratory demonstrations: Serves as a user‑friendly, affordable teaching tool for undergraduate and graduate students in chemistry, biology, and clinical laboratory science courses, demonstrating the principles of magnetic stirring, solution preparation, and the importance of reproducible mixing in experimental outcomes.

5. Quality control sample preparation in industrial laboratories: Used for the preparation of test solutions, dissolution of polymer samples, and mixing of solvents for viscosity and quality testing in textile, polymer, rubber, and plastics testing laboratories, with the 3‑liter capacity suitable for routine quality control batch sizes.

6. Diagnostic and life science research applications: Supports liquid handling workflows in diagnostic and life science research environments, including molecular biology (e.g., preparing hybridization buffers, washing solutions), cell biology (e.g., preparing media, diluting reagents), and microbiology (e.g., preparing culture broths, staining solutions).

KEY PRODUCT FEATURES

BASIC IDENTIFICATION ATTRIBUTES

Device Type: A non‑heating, LED digital magnetic stirrer with a round Nylon+GF work plate.
Designation: MS-PA Magnetic Stirrer.
Key Components:
- 5‑inch (φ135 mm) Nylon+GF (glass fiber reinforced nylon) work plate – chemically resistant, durable, easy to clean
- Maintenance‑free, spark‑free brushless DC motor
- LED digital display for real‑time speed monitoring
- Digital speed control with 100‑1500 rpm range (varies by source: 100‑1500 rpm or 200‑1500 rpm)
- Microprocessor feedback control for speed accuracy
- Fully enclosed flame‑retardant plastic housing
- IP42‑rated housing (protection against dust and splashing water)
- Universal power supply (100‑240 V, 50/60 Hz)
- Non‑slip rubber feet for stability
- TÜV‑certified safety (CE, cTUVus, FCC)

2. TECHNICAL & PERFORMANCE PROPERTIES

Work plate dimensions: φ135 mm (5 inches) .
Work plate material: Nylon+GF (glass fiber reinforced) – chemical‑resistant, mechanically strong, dimensionally stable .
Motor type: Maintenance‑free, spark‑free brushless DC motor .
Maximum stirring capacity (H₂O): 3 liters .
Speed range: 100 to 1500 rpm (digital, adjustable; some sources state 200‑1500 rpm) .
Speed display: LED digital readout .
Maximum stir bar length: 50 mm .
Number of stirring positions: 1 .
Motor input power: 5 W .
Motor output power: 3 W .
Total power consumption: 15 W .
Protection class: IP42 (dust‑protected and protected against splashing water from any direction) .
Power requirements: 100‑240 V, 50/60 Hz (universal input) .
Dimensions (W × D × H): 150 × 260 × 80 mm .
Weight: 1.8 kg .
Operating conditions: 5–40 °C, ≤80 % relative humidity .
Certifications: TÜV‑certified (CE, cTUVus, FCC); meets DIN/EN 60529 (IP code), IEC/EN 61010‑1 safety requirements .

3. PHYSICAL & OPERATIONAL PROPERTIES

Construction: Compact, lightweight benchtop design with a chemical‑resistant Nylon+GF work plate and a fully enclosed flame‑retardant plastic housing. The IP42‑rated housing provides protection against dust ingress and splashing water from any direction, making it suitable for use in busy clinical, QC, and teaching laboratories.
Work plate: 5‑inch (φ135 mm) round Nylon+GF disc, providing good chemical resistance against many common laboratory reagents, including alcohols, dilute acids, dilute alkalis, and salt solutions. The glass fiber reinforcement provides excellent mechanical strength and dimensional stability, preventing warping over time. The smooth surface is easy to clean.
Operation: Simple, intuitive digital controls. Users set the desired speed using the control knob or buttons, and the LED display shows the actual running speed in real time. The microprocessor‑controlled feedback system ensures constant speed even during changes in load (e.g., when sample viscosity changes, the motor compensates to maintain the set speed) .
Stirring system: The brushless DC motor drives strong rare‑earth magnets, providing reliable magnetic coupling for stir bars up to 50 mm in length. The motor is ultra‑quiet with minimal vibration and provides constant torque across the speed range.
Safety features:
- Flame‑retardant housing: The fully enclosed plastic housing is made of flame‑retardant material, reducing fire risk in laboratory environments .
- IP42 protection class: The housing protects against solid foreign objects >1.0 mm (dust‑protected) and splashing water from any direction, providing reliable protection in busy laboratory environments .
- Spark‑free motor: The brushless DC motor eliminates sparking, making the instrument safer for use in environments where flammable solvents may be present .
- Over‑load/over‑current protection: The electronic control system includes basic protection against excessive current draw.
Portability: Compact benchtop design with a footprint of 150 × 260 mm and a weight of 1.8 kg, easily moved between workstations.
Maintenance: The brushless DC motor is maintenance‑free, requiring no routine brush replacement or lubrication. The Nylon+GF work plate is easy to clean with a mild detergent and a soft, damp cloth. Periodic visual inspection of the power cord is recommended.
Included accessories: Standard package includes the MS-PA magnetic stirrer, one PTFE‑coated magnetic stirring bar (typically 50 mm length), and a region‑specific power cord, with a quick start guide and calibration certificate.

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Status: General laboratory equipment for in vitro diagnostic (IVD) use. Manufactured under ISO 9001 and ISO 13485 quality management systems. TÜV‑certified safety: CE, cTUVus, FCC; meets DIN/EN 60529 (IP code), IEC/EN 61010‑1 safety requirements .
Motor Safety: Brushless, spark‑free DC motor is intrinsically safe for use in environments where flammable solvents are present .
Electrical Safety: Designed with a universal power supply (100‑240 V, 50/60 Hz) for safe operation across multiple regions. The IP42‑rated housing offers protection against dust and splashing water from any direction.
Chemical Safety: The Nylon+GF work plate is resistant to many common laboratory chemicals, including alcohols, dilute acids, dilute alkalis, and salt solutions. Prolonged exposure to strong organic solvents (e.g., acetone, chloroform, dichloromethane) may cause surface degradation; clean spills promptly.
Fire Safety: Flame‑retardant plastic housing and non‑flammable work plate provide basic fire protection. The primary fire hazard is the flammable liquids being stirred.
Spill Protection: IP42‑rated housing and smooth Nylon+GF work plate protect internal electronics from minor spills and splashes.
Quality Assurance: Each instrument is factory‑calibrated and supplied with a calibration certificate. The instrument is backed by a manufacturer’s warranty.

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store the instrument in a clean, dry, dust‑free environment at room temperature (15–30 °C) when not in use. Keep the work plate covered to prevent dust accumulation.
Installation: Place the instrument on a stable, level, non‑flammable laboratory benchtop away from flammable materials, volatile solvents, and strong magnetic fields (e.g., large magnets, NMR equipment). Allow adequate clearance for ventilation.
Cleaning: Unplug the unit before cleaning. Wipe the Nylon+GF work plate and the housing with a soft, damp cloth using a mild laboratory detergent or 70 % isopropyl alcohol. Do not immerse the unit in liquid. Do not use abrasive cleaners or metal‑scouring pads, which may scratch the work plate surface.
Pre‑use inspection: Before each use, inspect the power cord and plug for any damage. Ensure the work plate is clean, dry, and free of chemical residues. Verify that the magnetic stir bar is in good condition without chips or cracks and is appropriate for the vessel size (maximum length 50 mm).
Operation: Place the stirring vessel (e.g., a beaker or Erlenmeyer flask) centrally on the work plate and add the magnetic stir bar. Plug in the unit. Set the desired speed using the digital control knob/buttons. The LED display will show the actual speed. Always start stirring at a low speed (100–200 rpm) to allow the stir bar to couple correctly before gradually increasing to the target speed. The microprocessor feedback will maintain the set speed even if the sample viscosity changes.
Cooling down: Not applicable (non‑heating model).
Periodic verification: Periodically verify stirring performance by observing the LED speed reading and comparing with an independent tachometer if required. If any deviation is detected beyond the specified tolerance, consult the manufacturer’s service guidelines.

6.LABORATORY & CLINICAL APPLICATIONS

Primary Application: General‑purpose, non‑heating 3‑liter stirring for clinical diagnostics (reagent preparation, buffer mixing, QC sample preparation), pharmaceutical quality control (standard solution preparation, dissolution media mixing), food and feed safety testing (sample extraction, reagent mixing), environmental monitoring (sample homogenization), and academic research laboratories where a compact, digital, non‑heating magnetic stirrer with LED speed display is required.
Clinical Role: A versatile and essential benchtop instrument for hospital and clinical chemistry laboratories, toxicology departments, pharmaceutical QC facilities, food and feed testing laboratories, environmental monitoring stations, and research institutions. Critical for routine mixing of reagents, buffers, quality control materials, standards, and patient samples where precise, reproducible stirring is mandatory for diagnostic accuracy, regulatory compliance, and laboratory efficiency.

SAFETY HANDLING PRECAUTIONS

1.SAFETY PRECAUTIONS

The user should follow the standard safety precautions for magnetic stirrers.

Magnetic Field Interference: The stirrer contains strong permanent magnets. People with implanted medical devices (e.g., pacemakers, implantable cardioverter‑defibrillators) should keep a safe distance of at least 30 cm from the operating stirrer. Do not place the instrument near credit cards, hard drives, computer monitors, or other magnetic‑sensitive equipment.
Vessel and Stir Bar Selection: Use only flat‑bottomed vessels (beakers, Erlenmeyer flasks, crystallizing dishes) that sit flush on the Nylon+GF work plate. Ensure the magnetic stir bar is in good condition without chips, cracks, or deformities and is properly centered in the vessel before starting. Do not exceed the maximum stir bar length of 50 mm.
Start Slowly: Always start stirring at a low speed (100–200 rpm) and gradually increase to the desired level. A sudden high‑speed start may cause the stir bar to decouple, spin erratically, or strike the vessel wall, leading to splashing, spillage, or vessel breakage. The stir bar should be completely immersed in the liquid before starting.
Electrical Safety: Do not operate the instrument with wet hands. Ensure the power cord does not come into contact with liquids or sharp edges that could damage the insulation. Use only the supplied grounded power cord (if applicable) and ensure the outlet provides proper grounding. Disconnect the power cord before cleaning, servicing, or moving the unit. Do not operate if the power cord is damaged.
Chemical Compatibility: The Nylon+GF work plate is resistant to many common laboratory chemicals, including alcohols, dilute acids, dilute alkalis, and salt solutions. However, prolonged exposure to strong organic solvents (e.g., acetone, dichloromethane, chloroform, concentrated mineral acids) may cause surface degradation. Clean spills promptly. Refer to the Safety Data Sheet (SDS) for specific chemicals.
Spill Management: If a liquid spill occurs on the work plate during operation, turn off the speed control immediately. Unplug the unit, wipe the spill clean, and allow the work plate to dry thoroughly before resuming use. Do not let liquids enter the instrument housing. The IP42 rating provides protection against splashing water, but it does not protect against immersion or prolonged liquid exposure.
Operating Environment: Use the MS-PA indoors only, on a stable, level, non‑flammable laboratory benchtop. Do not use in explosive atmospheres or in the presence of flammable gases or vapors (e.g., diethyl ether, hexane). The permissible ambient temperature range is 5–40 °C with relative humidity not exceeding 80 %. Allow at least 5 cm clearance on all sides for proper airflow and cooling. Do not cover the unit during operation.
Multi‑vessel Use: If the work plate has sufficient space, multiple small vessels may be stirred simultaneously. Ensure they are positioned at least 1 cm apart to prevent magnetic interference and accidental collisions. Do not stack or overload the work plate with vessels that exceed its capacity.
Cleaning: Unplug the unit before cleaning. Do not immerse the unit in liquid. Do not use abrasive cleaners, metal scouring pads, or sharp objects that could scratch the Nylon+GF work plate or damage the housing. Use only the recommended cleaning agents (mild detergent or 70 % isopropyl alcohol).
Long‑term Use: For continuous operation, it is recommended to operate at medium speed for up to 8 hours and at high speed for up to 4 hours to prevent motor and electronic stress. Allow the unit to cool for at least 30 minutes before extended continuous use.
Training Requirement: Only trained laboratory personnel with appropriate technical background in laboratory equipment operation should operate the MS-PA for clinical diagnostic or research applications. Users must read and understand the operator’s manual before first use. Ensure all users are aware of the proper procedure for starting and stopping the stir bar and of the specific safety considerations for the chemicals being stirred.

2. FIRST AID MEASURES

Chemical Splash to Eyes: If a biological or chemical sample splashes into the eyes during operation, immediately flush the eyes with copious amounts of water or sterile saline for at least 15 minutes, holding the eyelids open. Seek immediate medical attention.
Skin Contact with Chemical Sample: Remove contaminated clothing at once. Wash the affected skin area with soap and water for at least 5 minutes. If irritation, redness, or signs of chemical burn develop, seek medical evaluation. Refer to the Safety Data Sheet (SDS) for the specific chemical involved.
Sharps Injury (Broken Glassware): If a broken vessel punctures the skin, allow the wound to bleed freely (do not squeeze). Wash the wound with soap and water for 15 minutes. Apply antiseptic and a sterile bandage. If the vessel contained patient biological material, follow the facility’s exposure management protocol for bloodborne pathogens. Seek medical evaluation for potential exposure.
Inhalation of Chemical Vapors: If vapors from volatile reagents are inhaled during sample preparation or stirring, move the affected person to fresh air immediately. If breathing is difficult, administer oxygen if trained. If breathing stops, perform CPR. Seek immediate medical attention if coughing, dizziness, nausea, or respiratory distress persists.
Electrical Shock: If an electrical shock incident occurs, disconnect power at the circuit breaker before attempting to assist the victim. Do not touch the victim until the power is disconnected. Call emergency medical services immediately. Perform CPR if trained and necessary. Seek medical evaluation for all electrical shock victims, even if symptoms appear mild.

3. FIRE FIGHTING MEASURES

Flammability: The Nylon+GF work plate and flame‑retardant plastic housing components are combustible. Do not operate near flammable solvents, gases, or volatile materials (e.g., diethyl ether, acetone, hexane, ethanol). The primary fire hazard is the flammable liquids being stirred.
Extinguishing Media: Use carbon dioxide (CO₂) or a dry chemical (ABC‑class) extinguisher for fires involving the electrical components or nearby flammable materials. Do not use water on electrical fires, as water conducts electricity and may cause electrical shock or damage the instrument.
Fire Response: In case of fire, immediately disconnect the instrument from its power source if safe to do so. Evacuate the immediate area. Use an appropriate fire extinguisher for small, contained fires. For larger fires, evacuate the laboratory and call emergency services. Do not attempt to extinguish a fire if not trained or if the fire is spreading rapidly.
Special Protective Equipment for Firefighters: Firefighters should wear self‑contained breathing apparatus (SCBA) and full structural firefighting gear when fighting fires in laboratory settings, as combustion products may include toxic fumes from burning plastics and chemicals.

Magnetic Stirrer(MS-PA)

Magnetic Stirrer(MS-PA)

PRIMARY CLINICAL & DIAGNOSTIC USES

SECONDARY & SUPPORTIVE USES

BASIC IDENTIFICATION ATTRIBUTES

Device Type: A non‑heating, LED digital magnetic stirrer with a round Nylon+GF work plate.

Designation: MS-PA Magnetic Stirrer.

Key Components:

5‑inch (φ135 mm) Nylon+GF (glass fiber reinforced nylon) work plate – chemically resistant, durable, easy to clean

Maintenance‑free, spark‑free brushless DC motor

LED digital display for real‑time speed monitoring

Digital speed control with 100‑1500 rpm range (varies by source: 100‑1500 rpm or 200‑1500 rpm)

Microprocessor feedback control for speed accuracy

Fully enclosed flame‑retardant plastic housing

IP42‑rated housing (protection against dust and splashing water)

Universal power supply (100‑240 V, 50/60 Hz)

Non‑slip rubber feet for stability

TÜV‑certified safety (CE, cTUVus, FCC)

2. TECHNICAL & PERFORMANCE PROPERTIES

Work plate dimensions: φ135 mm (5 inches) .

Work plate material: Nylon+GF (glass fiber reinforced) – chemical‑resistant, mechanically strong, dimensionally stable .

Motor type: Maintenance‑free, spark‑free brushless DC motor .

Maximum stirring capacity (H₂O): 3 liters .

Speed range: 100 to 1500 rpm (digital, adjustable; some sources state 200‑1500 rpm) .

Speed display: LED digital readout .

Maximum stir bar length: 50 mm .

Number of stirring positions: 1 .

Motor input power: 5 W .

Motor output power: 3 W .

Total power consumption: 15 W .

Protection class: IP42 (dust‑protected and protected against splashing water from any direction) .

Power requirements: 100‑240 V, 50/60 Hz (universal input) .

Dimensions (W × D × H): 150 × 260 × 80 mm .

Weight: 1.8 kg .

Operating conditions: 5–40 °C, ≤80 % relative humidity .

Certifications: TÜV‑certified (CE, cTUVus, FCC); meets DIN/EN 60529 (IP code), IEC/EN 61010‑1 safety requirements .

3. PHYSICAL & OPERATIONAL PROPERTIES

Stirring system: The brushless DC motor drives strong rare‑earth magnets, providing reliable magnetic coupling for stir bars up to 50 mm in length. The motor is ultra‑quiet with minimal vibration and provides constant torque across the speed range.

Safety features:

Flame‑retardant housing: The fully enclosed plastic housing is made of flame‑retardant material, reducing fire risk in laboratory environments .

IP42 protection class: The housing protects against solid foreign objects >1.0 mm (dust‑protected) and splashing water from any direction, providing reliable protection in busy laboratory environments .

Spark‑free motor: The brushless DC motor eliminates sparking, making the instrument safer for use in environments where flammable solvents may be present .

Over‑load/over‑current protection: The electronic control system includes basic protection against excessive current draw.

Portability: Compact benchtop design with a footprint of 150 × 260 mm and a weight of 1.8 kg, easily moved between workstations.

Maintenance: The brushless DC motor is maintenance‑free, requiring no routine brush replacement or lubrication. The Nylon+GF work plate is easy to clean with a mild detergent and a soft, damp cloth. Periodic visual inspection of the power cord is recommended.

Included accessories: Standard package includes the MS-PA magnetic stirrer, one PTFE‑coated magnetic stirring bar (typically 50 mm length), and a region‑specific power cord, with a quick start guide and calibration certificate.

4. SAFETY & COMPLIANCE ATTRIBUTES

Regulatory Status: General laboratory equipment for in vitro diagnostic (IVD) use. Manufactured under ISO 9001 and ISO 13485 quality management systems. TÜV‑certified safety: CE, cTUVus, FCC; meets DIN/EN 60529 (IP code), IEC/EN 61010‑1 safety requirements .

Motor Safety: Brushless, spark‑free DC motor is intrinsically safe for use in environments where flammable solvents are present .

Electrical Safety: Designed with a universal power supply (100‑240 V, 50/60 Hz) for safe operation across multiple regions. The IP42‑rated housing offers protection against dust and splashing water from any direction.

Fire Safety: Flame‑retardant plastic housing and non‑flammable work plate provide basic fire protection. The primary fire hazard is the flammable liquids being stirred.

Spill Protection: IP42‑rated housing and smooth Nylon+GF work plate protect internal electronics from minor spills and splashes.

Quality Assurance: Each instrument is factory‑calibrated and supplied with a calibration certificate. The instrument is backed by a manufacturer’s warranty.

5. STORAGE & HANDLING ATTRIBUTES

Storage: Store the instrument in a clean, dry, dust‑free environment at room temperature (15–30 °C) when not in use. Keep the work plate covered to prevent dust accumulation.

Installation: Place the instrument on a stable, level, non‑flammable laboratory benchtop away from flammable materials, volatile solvents, and strong magnetic fields (e.g., large magnets, NMR equipment). Allow adequate clearance for ventilation.

Pre‑use inspection: Before each use, inspect the power cord and plug for any damage. Ensure the work plate is clean, dry, and free of chemical residues. Verify that the magnetic stir bar is in good condition without chips or cracks and is appropriate for the vessel size (maximum length 50 mm).

Cooling down: Not applicable (non‑heating model).

Periodic verification: Periodically verify stirring performance by observing the LED speed reading and comparing with an independent tachometer if required. If any deviation is detected beyond the specified tolerance, consult the manufacturer’s service guidelines.

6.LABORATORY & CLINICAL APPLICATIONS

1.SAFETY PRECAUTIONS

The user should follow the standard safety precautions for magnetic stirrers.

Multi‑vessel Use: If the work plate has sufficient space, multiple small vessels may be stirred simultaneously. Ensure they are positioned at least 1 cm apart to prevent magnetic interference and accidental collisions. Do not stack or overload the work plate with vessels that exceed its capacity.

Cleaning: Unplug the unit before cleaning. Do not immerse the unit in liquid. Do not use abrasive cleaners, metal scouring pads, or sharp objects that could scratch the Nylon+GF work plate or damage the housing. Use only the recommended cleaning agents (mild detergent or 70 % isopropyl alcohol).

Long‑term Use: For continuous operation, it is recommended to operate at medium speed for up to 8 hours and at high speed for up to 4 hours to prevent motor and electronic stress. Allow the unit to cool for at least 30 minutes before extended continuous use.

2. FIRST AID MEASURES

Chemical Splash to Eyes: If a biological or chemical sample splashes into the eyes during operation, immediately flush the eyes with copious amounts of water or sterile saline for at least 15 minutes, holding the eyelids open. Seek immediate medical attention.

3. FIRE FIGHTING MEASURES

Flammability: The Nylon+GF work plate and flame‑retardant plastic housing components are combustible. Do not operate near flammable solvents, gases, or volatile materials (e.g., diethyl ether, acetone, hexane, ethanol). The primary fire hazard is the flammable liquids being stirred.

Extinguishing Media: Use carbon dioxide (CO₂) or a dry chemical (ABC‑class) extinguisher for fires involving the electrical components or nearby flammable materials. Do not use water on electrical fires, as water conducts electricity and may cause electrical shock or damage the instrument.

Special Protective Equipment for Firefighters: Firefighters should wear self‑contained breathing apparatus (SCBA) and full structural firefighting gear when fighting fires in laboratory settings, as combustion products may include toxic fumes from burning plastics and chemicals.

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5‑inch (φ135 mm) Nylon+GF (glass fiber reinforced nylon) work plate – chemically resistant, durable, easy to clean

Digital speed control with 100‑1500 rpm range (varies by source: 100‑1500 rpm or 200‑1500 rpm)

Universal power supply (100‑240 V, 50/60 Hz)

Work plate dimensions: φ135 mm (5 inches) .

Maximum stirring capacity (H₂O): 3 liters .

Speed range: 100 to 1500 rpm (digital, adjustable; some sources state 200‑1500 rpm) .

Maximum stir bar length: 50 mm .

Motor input power: 5 W .

Motor output power: 3 W .

Total power consumption: 15 W .

Power requirements: 100‑240 V, 50/60 Hz (universal input) .

Dimensions (W × D × H): 150 × 260 × 80 mm .

Weight: 1.8 kg .

Operating conditions: 5–40 °C, ≤80 % relative humidity .

Certifications: TÜV‑certified (CE, cTUVus, FCC); meets DIN/EN 60529 (IP code), IEC/EN 61010‑1 safety requirements .

Stirring system: The brushless DC motor drives strong rare‑earth magnets, providing reliable magnetic coupling for stir bars up to 50 mm in length. The motor is ultra‑quiet with minimal vibration and provides constant torque across the speed range.

IP42 protection class: The housing protects against solid foreign objects >1.0 mm (dust‑protected) and splashing water from any direction, providing reliable protection in busy laboratory environments .

Portability: Compact benchtop design with a footprint of 150 × 260 mm and a weight of 1.8 kg, easily moved between workstations.

Included accessories: Standard package includes the MS-PA magnetic stirrer, one PTFE‑coated magnetic stirring bar (typically 50 mm length), and a region‑specific power cord, with a quick start guide and calibration certificate.

Regulatory Status: General laboratory equipment for in vitro diagnostic (IVD) use. Manufactured under ISO 9001 and ISO 13485 quality management systems. TÜV‑certified safety: CE, cTUVus, FCC; meets DIN/EN 60529 (IP code), IEC/EN 61010‑1 safety requirements .

Electrical Safety: Designed with a universal power supply (100‑240 V, 50/60 Hz) for safe operation across multiple regions. The IP42‑rated housing offers protection against dust and splashing water from any direction.

Storage: Store the instrument in a clean, dry, dust‑free environment at room temperature (15–30 °C) when not in use. Keep the work plate covered to prevent dust accumulation.

Pre‑use inspection: Before each use, inspect the power cord and plug for any damage. Ensure the work plate is clean, dry, and free of chemical residues. Verify that the magnetic stir bar is in good condition without chips or cracks and is appropriate for the vessel size (maximum length 50 mm).

Cleaning: Unplug the unit before cleaning. Do not immerse the unit in liquid. Do not use abrasive cleaners, metal scouring pads, or sharp objects that could scratch the Nylon+GF work plate or damage the housing. Use only the recommended cleaning agents (mild detergent or 70 % isopropyl alcohol).

Long‑term Use: For continuous operation, it is recommended to operate at medium speed for up to 8 hours and at high speed for up to 4 hours to prevent motor and electronic stress. Allow the unit to cool for at least 30 minutes before extended continuous use.

Chemical Splash to Eyes: If a biological or chemical sample splashes into the eyes during operation, immediately flush the eyes with copious amounts of water or sterile saline for at least 15 minutes, holding the eyelids open. Seek immediate medical attention.