Analog Heating Magnetic Stirrer Amaris Medical

Analog Heating Magnetic Stirrer(MS-H-S)

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Analog Heating Magnetic Stirrer is a robust, TÜV‑certified benchtop instrument engineered for accurate, safe, and economical heating and simultaneous stirring in clinical diagnostics, pharmaceutical quality control, analytical chemistry, and academic research laboratories worldwide. Featuring a 5‑inch (φ135 mm) round, ceramic‑coated stainless steel work plate, this analog hotplate stirrer delivers a heating range of room temperature +5 °C to 340 °C and a stepless stirring speed range of 100 to 1500 rpm with a maximum stirring capacity of 20 litres of water.

Every Analog Heating Magnetic Stirrer is individually factory‑calibrated and supplied with a calibration certificate traceable to international standards. The maintenance‑free, spark‑free DC brushless motor provides consistent, quiet agitation without routine upkeep, and the ceramic‑coated stainless steel work plate resists strong acids, strong alkalis, and organic solvents, offering rapid, uniform heating without localised hot spots. Two independent, intuitive analog control knobs (dual rotary knobs) allow simple, direct control over temperature and speed, and the integrated operation indicator light confirms heating status at a glance.

Key user‑focused features for clinical and QC workflows include a large 20‑litre stirring capacity – ideal for bulk buffer and reagent preparation; a 500 W heating system enabling rapid temperature ramp‑up to 340 °C; and independent control of heating and stirring, allowing the unit to be used as a hotplate‑only, stirrer‑only, or combined hotplate stirrer.

Safety is a priority with TÜV certification (CE, cTUVus, FCC), an independent safety circuit providing over‑temperature protection (420 °C hardware cutoff), an independent residual heat warning indicator (“HOT” flashes on the control panel at >50 °C and continues even after the unit is turned off if still connected to mains, until the plate is safe to touch), and an IP42‑rated housing offering robust dust‑ and water‑splashing protection – an upgrade over basic IP21 designs, making the Analog Heating Magnetic Stirrer well suited to busy clinical, QC, and teaching labs where spills and splashes are routine.

With a compact footprint (160 × 280 mm), moderate weight (2.8 kg), and universal power supply (100–240 V, 50/60 Hz), the MS‑H‑S occupies minimal bench space while delivering reliable performance suitable for a wide range of clinical and research workflows. The instrument is backed by a 2‑year manufacturer’s warranty and is supported by a global distributor network.

For the clinical laboratory scientist, pharmaceutical QC technician, and teaching laboratory instructor, the Analog Heating Magnetic Stirrer delivers the reliable, large‑capacity, and simple‑to‑operate heating and stirring required for routine buffer preparation, media processing, staining solution mixing, and any general‑purpose heating or stir‑only task where an economical and durable analog hotplate stirrer up to 340 °C is needed. For the patient, the reliable performance of this TÜV‑certified instrument ensures that diagnostic reagents and quality control samples are prepared consistently and cost‑effectively, supporting accurate routine diagnostics, efficient laboratory operations, and patient safety.

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Description

Analog Heating Magnetic Stirrer(MS-H-S)

PRIMARY CLINICAL & DIAGNOSTIC USES

1. High‑Capacity, Intuitive Heating and Stirring for General Clinical Laboratories
Primary Use: Provides an analog heating magnetic stirrer with a 5‑inch (φ135 mm) ceramic‑coated stainless steel work plate, used for the precise and reproducible heating and mixing of clinical samples, reagents, buffers, and biological specimens in clinical chemistry, microbiology, pharmaceutical research, and quality control laboratories. It features a maximum stirring capacity of 20 litres (water), a stepless analog speed range of 100 to 1500 rpm, and a heating temperature range from room temperature to 340 °C, with both parameters controlled via intuitive dual rotary knobs and displayed on simple analog scales.

How it helps: For the clinical laboratory scientist and medical technologist, the combination of a large 20‑litre capacity, a 500 W heating system, and a brushless DC motor ensures that even large‑volume clinical solutions, from buffers to extraction reagents, are heated uniformly and mixed consistently. The ceramic‑coated stainless steel work plate provides excellent chemical resistance against strong acids, strong alkalis, and organic solvents, ensuring long‑term durability even with aggressive reagents, and its smooth, non‑porous surface is easy to clean and resists staining. Two separate, independent control knobs give the user direct, single‑touch control over heating and stirring functions without navigating digital menus. Available in both 110 V and 220 V versions, the Analog Heating Magnetic Stirrer is adaptable to any laboratory worldwide, and the “HOT” warning indicator remains active even after the unit is turned off until the plate cools to a safe temperature, protecting laboratory personnel.

2. Reproducible Reagent Preparation and Quality Control for Clinical Chemistry
Primary Use: Used for the controlled preparation of clinical chemistry reagents, standard solutions, quality control materials, and buffers by providing uniform heating and consistent mixing. The intuitive analog controls allow the user to quickly set the desired temperature (via a rotary knob) and stirring speed (0–1500 rpm) to meet the requirements of many routine diagnostic procedures and QC protocols.

How it helps: For the clinical chemistry technologist, the glass‑reinforced analog plate (ceramic‑coated steel work plate) is highly resistant to chemical attack and localised overheating, ensuring that reagents prepared for glucose, lipid, and enzyme panels are free from thermal decomposition or solid residue. The large 20‑litre stirring capacity reduces the number of batches required for bulk QC sample preparation, and the brushless DC motor maintains constant speed, even when the viscosity of a solution changes as it heats up. For the patient, consistent, contaminant‑free QC materials prepared with the Analog Heating Magnetic Stirrer help ensure that daily diagnostic test results for conditions such as diabetes, hyperlipidemia, and liver disease are accurate and reproducible, supporting reliable clinical decision‑making.

3. Heating and Melting of Clinical Agar and Microbiological Media
Primary Use: Enables the safe, uniform heating and melting of solid or semi‑solid microbiological culture media, nutrient agars, and molecular biology reagents such as agarose gels in glassware (beakers or flasks) suitable for clinical workflows. It may be used to prepare culture plates, slants, or broth tubes for pathogen isolation and molecular diagnostic assays.

How it helps: For the clinical microbiology technologist, the gentle but uniform heating of the ceramic‑coated plate ensures that powdered media components are completely dissolved without scorching at the bottom of the glass vessel. The independent analog heating control can be set to a precise temperature for melting agar (e.g., 80–100 °C) while the stirring function prevents sedimentation of heavy components. The IP42 protection rating offers excellent resistance to moisture, dust, and minor chemical spills, making the Analog Heating Magnetic Stirrer durable in a busy microbiology environment. For the patient, properly prepared culture media with uniform nutrient distribution support accurate identification of bacterial and fungal pathogens from clinical specimens, enabling effective antimicrobial therapy selection.

4. Simple, Cost‑Effective Heating for Teaching and Research Laboratories
Primary Use: Serves as a robust, affordable, and intuitive heating and stirring platform for training clinical laboratory science students and for research applications that do not require programmable temperature profiles, data logging, or external temperature sensor control. The instrument provides straight‑forward, dependable heating and mixing for multiple vessel types.

How it helps: For the instructor and research scientist, the analog controls (dual rotary knobs) and clear scale displays allow students to directly observe the relationship between control settings and experimental outcomes, making the Analog Heating Magnetic Stirrer an effective teaching tool for demonstrating principles of temperature regulation, dissolution, and reaction kinetics. The direct, knob‑based control and lack of a programmable digital interface eliminate menu complexity, reducing training time and the chance of operator error in high‑volume teaching labs. The durable, chemical‑resistant ceramic coating stands up to daily handling, and the 2‑year warranty provides peace of mind for institutional budgets. The universal power supply (100–240 V) allows the same instrument to be used across different regions without voltage adaptors. For the patient, the training of competent future laboratory personnel using reliable, straightforward equipment sets a solid foundation for diagnostic accuracy and safe clinical practice.

SECONDARY & SUPPORTIVE USES

1. General solution preparation for pharmaceutical and food analysis: Used for the efficient dissolution of tablet, capsule, and powder samples, and for preparing standard solutions, buffers, and mobile phases in pharmaceutical and food analysis quality control laboratories, ensuring homogeneity for HPLC, UV‑Vis spectrophotometry, and other analytical testing, with a large 20‑litre capacity and powerful 500 W heating.

2. Sample digestion and extraction for environmental and toxicology testing: Prepares digested samples for heavy metal analysis (blood lead, urine cadmium) using atomic absorption spectroscopy or inductively coupled plasma mass spectrometry by heating samples in strong acids (e.g., nitric acid) with constant stirring to ensure complete dissolution of organic matrices, with the chemical‑resistant ceramic‑coated plate safe for use with aggressive acids.

3. Chemical synthesis and small‑scale reflux for pharmaceutical research: Provides stable heating and stirring for small‑scale chemical synthesis, distillation, and reflux setups using round‑bottom flasks, with the ability to reach 340 °C for heating high‑boiling‑point solvents, supporting organic chemistry, petrochemical, and pharmaceutical research workflows.

4. Protein denaturation and enzyme inactivation for biochemistry: Heats protein solutions in beakers or flasks to temperatures above 70 °C to completely denature enzymes and coagulate proteins, stopping enzymatic reactions before downstream analysis in protein purification, enzyme assay workflows, and biochemical research.

5. Dissolution testing and preliminary drug stability screening: Offers an economical heating source to simulate dissolution test conditions for solid oral dosage forms (tablets, capsules) placed in beakers with heated buffer solutions (e.g., pH 6.8 phosphate buffer, 0.1 N HCl), useful for preliminary formulation screening and accelerated stability studies in pharmaceutical development.

6. General‑purpose melting and solid‑liquid extraction for food and environmental testing: Melts solid hydrocarbon samples, waxes, and resins, and performs solid‑liquid extraction of environmental samples (soils, sediments) in organic solvents prior to gas chromatography or mass spectrometry analysis, with the ceramic‑coated plate providing chemical resistance and safe handling.

7. Glassware drying and basic instrument preparation: The 135 mm ceramic‑coated plate can be used to gently warm and dry small laboratory glassware items such as beakers, slides, and spatulas after washing, eliminating the need to run a full oven cycle for a few small items.

8. Education and advanced teaching laboratory heating: Serves as a versatile, user‑friendly, and intuitive teaching tool for demonstrating the principles of heating curves, controlled‑temperature digestion, dissolution, and solution preparation in university chemistry, clinical laboratory science, and pharmaceutical laboratory courses. The compact 2.8 kg benchtop design with analog controls and simple scales is ideal for student‑accessible workstations and busy teaching labs.

KEY PRODUCT FEATURES

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: An analog (manual control), non‑programmable heating magnetic stirrer with a round ceramic‑coated work plate.
Designation: Analog Heating Magnetic Stirrer; DLAB MS‑H‑S; Standard Analog Heating Magnetic Stirrer.
Catalog Number / Versions: 702303 (230 V jeulin model) / 3‑7032‑01 (100 V) / 861049B / 8030211010.
Key Components:
- 5‑inch (φ135 mm) round stainless steel work plate with durable ceramic coating for strong chemical resistance and easy cleaning.
- Maintenance‑free, spark‑free brushless DC motor (available in both 110 V and 220 V versions).
- Two independent analog control knobs (dual rotary knobs) for stepless adjustment of temperature and stirring speed.
- Integrated operation indicator light (LED) – shows when the unit is powered and when the heating function is active.
- Independent “HOT” residual heat warning system (flashes when plate >50 °C, continues even when the main power is turned off).
- Independent safety circuit with over‑temperature protection (420 °C hardware cutoff).
- IP42‑rated housing (protection against solid foreign objects >12.5 mm and splashing water from any direction).
- Three‑pin power cord (region‑specific plug configurations).

2. TECHNICAL & PERFORMANCE PROPERTIES

Work plate dimensions: φ135 mm (5 inches, 5.3″).
Work plate working surface: 135 mm diameter, able to accommodate beakers up to 20 L.
Work plate material: Stainless steel with ceramic coating (strong acid‑resistant, strong alkali‑resistant, durable, easy to clean).
Motor type: Maintenance‑free, spark‑free brushless DC motor.
Maximum stirring capacity (H₂O): 20 litres.
Speed range: 0 to 1500 rpm (stepless analog control via rotary knob).
Speed display: Analog scale (graduated and numbered dial).
Heating temperature range: Room temperature +5 °C to 340 °C (adjustable via analog knob).
Temperature control accuracy: Digital control loop for stable plate heating, with independent safety circuit for over‑temperature protection.
Temperature display: Analog scale.
Over‑temperature protection (safety circuit): Independent safety circuit; automatic heating cutoff at 420 °C (hardware cutoff).
Residual heat warning: Independent electronic sensor; activates when work plate temperature >50 °C; indicator continues flashing even after the main power is turned off (if unit remains connected to mains) until the plate cools below 50 °C.
Heating output power: 500 W.
Total power consumption: 530 W (heating + motor).
Motor output power: 10 W.
Motor rating (input): 18 W.
Maximum stir bar length: 80 mm.
Number of stirring positions: 1.
Protection class (IP rating): IP42 (or IP42 rated for dust‑ingress and water‑splashing protection).
Power requirements: Universal input – 100–120 V / 200–240 V, 50/60 Hz (user‑selectable by region).
Dimensions (W × D × H): 160 × 280 × 85 mm (or 160 × 280 × 85 mm – some dimensions vary slightly but are consistent across most sources).
Weight: 2.8 kg (approximately 6 lbs).
Heating rate (1 litre water): 6 K/min.
Maximum viscosity (stirring): 40 cP / mPas.
Operating conditions: Ambient temperature 5–40 °C, ≤80 % relative humidity.
Shipping weight (approx.): 3.5 kg.
Certifications: cTUVus, CE, FCC, CB, UKCA, ICES (TÜV‑certified safety); meets DIN/EN 60529 (IP code), IEC/EN 61010‑1 safety requirements for laboratory electrical equipment.

3. PHYSICAL & OPERATIONAL PROPERTIES

Construction: Durable, powder‑coated metal housing with a ceramic‑coated stainless steel work plate; IP42‑rated housing provides protection against solid foreign objects (>12.5 mm) and splashing water from any direction (dust‑ and water‑splashing protected), improving resistance to moisture, dust, and minor chemical spills in busy clinical and academic laboratories.
Work plate: 5‑inch (φ135 mm) round stainless steel disc with durable ceramic coating, providing strong chemical resistance, fast heating, easy cleaning, and uniform heat distribution.
User Interface: Two large, intuitive analog control knobs (dual rotary knobs): one for heating control (temperature setting) and one for stirring speed (0–1500 rpm). Both knobs are clearly labelled with their respective scales. An integrated green operation indicator light shows when the unit is powered on; when the heating function is active, the display area also illuminates, confirming heating status at a glance.
Operation: Simple, intuitive 3‑step operation:
1. Place the vessel and add stir bar, then turn the stirring speed knob from “0” to the desired speed (100–1500 rpm). The unit can be used as a stirrer‑only by setting the heating knob to “0”.
2. Set the desired temperature by turning the temperature control knob to the required scale position (range: room temperature +5 °C to 340 °C). The heating function activates and the display area confirms heating.
3. When heating is no longer required, turn the temperature knob back to “0”. The green operation light remains on, but the heating stops.
Heating technology: Digital control of the 500 W heating element for stable, overshoot‑free temperature regulation. An independent safety circuit provides over‑temperature protection (420 °C cutoff).
Stirring system: The maintenance‑free, spark‑free DC brushless motor drives strong rare‑earth magnets for powerful magnetic coupling, preventing stir bar decoupling even with viscous liquids or at high speeds. The motor is ultra‑quiet with minimal vibration and provides constant speed control, even during changes in load (e.g., when sample viscosity increases as it heats).
Safety functions:

Over‑temperature protection (independent safety circuit): A separate, dedicated safety circuit monitors the hotplate temperature. If the work plate exceeds 420 °C, the instrument automatically stops heating to prevent runaway heating, fire hazards, and sample destruction. If a short circuit or other electrical fault is detected, the safety circuit will also shut down the unit to protect the operator.
Residual heat warning (“HOT” indicator): The “HOT” safety indicator (visible on the control panel) activates when the work plate temperature exceeds 50 °C. This warning continues flashing even after the unit is turned off (if still connected to mains) until the plate cools below 50 °C, alerting users to the risk of delayed‑onset burns.
IP42 protection class: The IP42‑rated housing (DIN/EN 60529) provides protection against solid foreign objects >12.5 mm and splashing water from any direction, ensuring reliable service in busy laboratory environments. This rating is a significant upgrade for an analog model and makes the MS‑H‑S well suited for use in humid or splash‑prone clinical and QC labs.

Portability: Compact benchtop design with a small footprint (160 × 280 mm) and moderate weight (2.8 kg), easily moved between workstations.
Cleaning: Unplug the unit and allow the work plate to cool completely (“HOT” indicator off) before cleaning. Wipe the ceramic‑coated stainless steel work plate and metal 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 ceramic coating. The smooth, non‑porous coating resists staining and is simple to keep clean with routine care.
Maintenance: The brushless DC motor is maintenance‑free, requiring no routine brush replacement or lubrication. The ceramic‑coated work plate is highly durable and resistant to chemical attack. Periodic visual inspection of the power cord is recommended.
Included accessories: The standard package includes the MS‑H‑S analog heating magnetic stirrer, one PTFE magnetic stirring bar (size: φ8 × 50 mm / approx. 50 mm length), and a region‑specific three‑pin power cord, with a quick start guide and calibration certificate packaged with the manual.

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, complying with DIN/EN 60529 (IP code), IEC/EN 61010‑1 safety requirements for laboratory electrical equipment. The model is also RoHS and WEEE compliant.
Over‑temperature Protection (Safety Circuit): A separate, dedicated safety circuit monitors the hotplate temperature. If the work plate exceeds 420 °C, the instrument automatically stops heating to prevent runaway heating, fire hazards, and sample destruction.
Residual Heat Warning: The “HOT” safety indicator activates when the work plate exceeds 50 °C and continues flashing on the control panel even after the main power is turned off (if the unit remains connected to mains). This critical safety feature alerts users to the dangerously hot surface until the plate is safe to touch (temperature drops below 50 °C).
IP42 Protection Class (Ingress Protection): The IP42 rating (DIN/EN 60529) provides protection against solid foreign objects >12.5 mm and splashing water from any direction – a notable upgrade over the basic IP21 rating found on many analog stirrers. This makes the MS‑H‑S well suited for humid environments and offers reliable service in busy clinical and teaching laboratories where spills and splashes are common.
Electrical Safety: Designed with a brushless, spark‑free DC motor (explosion‑proof), making the instrument safe for use in environments where flammable solvents may be present. The IP42‑rated housing offers protection against solid foreign objects (>12.5 mm) and splashing water from any direction. Universal power supply (100–240 V, 50/60 Hz) allows safe operation in multiple regions without voltage conversion.
Chemical Safety: The ceramic‑coated stainless steel work plate is resistant to strong acids, strong alkalis, and organic solvents, preventing corrosion and ensuring a long service life even when handling aggressive reagents such as concentrated nitric acid for sample digestion.
Fire Safety: Flame‑retardant metal housing, ceramic‑coated stainless steel work plate, and IP42‑rated construction provide good fire protection and heat dissipation.
Quality Assurance: Each instrument is individually factory‑calibrated and supplied with a calibration certificate traceable to international standards. The instrument is backed by a 2‑year manufacturer’s warranty (in most regions) and is supported by a global distributor network.

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. Allow the unit to cool completely (verify “HOT” indicator is off) before storage.
Installation: Place the instrument on a stable, level, non‑flammable, heat‑resistant laboratory benchtop away from flammable materials, volatile solvents, combustible gases, and paper products. Allow at least 10 cm clearance on all sides for heat dissipation. Do not use near water baths or sinks where splashing may occur.
Cleaning: Unplug the unit and allow the work plate to cool completely (“HOT” indicator off) before cleaning. Wipe the ceramic‑coated stainless steel work plate and metal 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 ceramic coating.
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 area is clear of flammable materials and that the instrument has adequate clearance (at least 10 cm) for heat dissipation. Check that the magnetic stir bar is in good condition without chips or cracks and is appropriate for the vessel size.
Operation (Heating‑Only): Set the temperature control knob to the desired scale position (room temperature +5 °C to 340 °C). The heating indicator will show the unit is heating; once the set point is reached, the indicator may cycle as the controller maintains the temperature. The heating function can be used without stirring by leaving the stirring speed knob at “0”.
Operation (Stirring‑Only): Place the stir bar in the vessel, centre the vessel on the work plate, and turn the stirring speed knob from “0” to the desired speed (100–1500 rpm). The system will provide constant speed, even during changes in load. Stirring‑only mode is ideal for dissolving reagents without heating.
Operation (Combined Heating + Stirring): Set both knobs to the desired parameters. The independent heating and motor controls allow the instrument to be used as a combined heater‑stirrer without interfering with each other. Always start stirring at a low speed (200–300 rpm) to allow the stir bar to couple correctly before gradually increasing to the target speed.
Cooling down: After use, turn off the main power and allow the work plate to cool completely. Cooling time may take 30–60 minutes, depending on the operating temperature. Do not attempt to move, clean, or store the instrument until the “HOT” residual heat warning indicator has stopped flashing and the plate has cooled to a safe temperature.
Periodic verification: Verify the temperature accuracy periodically using a calibrated external thermometer or thermocouple. If deviation from the setpoint exceeds the specified tolerance (±1 °C (<100 °C) or ±1 % (>100 °C)), consult the manufacturer’s service guidelines for recalibration.

6. LABORATORY & CLINICAL APPLICATIONS

Primary Application: General‑purpose, moderate‑size heating and stirring for clinical diagnostics (buffer preparation, routine chemistry solution mixing), pharmaceutical quality control (buffer preparation, standard solution mixing), analytical chemistry (general‑purpose heating), molecular biology (heating reagents), and academic research laboratories where a cost‑effective, non‑programmable, analog‑controlled hotplate stirrer with a large 20‑litre capacity and a high 340 °C maximum temperature is required.

Clinical Role: A versatile, economical bench‑level instrument for hospital and clinical chemistry laboratories, pharmaceutical QC facilities, clinical research labs, and academic teaching institutions worldwide. Critical for routine clinical sample preparation (e.g., dissolving crystalline reagents into buffer, preparing agars and broths for culture media, mixing extraction reagents for in‑house nucleic acid extraction protocols) where an affordable, easy‑to‑use, durable analog instrument is sufficient for the accuracy required by the workflow.

SAFETY HANDLING PRECAUTIONS

1. SAFETY PRECAUTIONS

Burn Hazard: The stainless steel work plate can reach 340 °C and remains hot for an extended period after the power is turned off. Do not touch the work plate for at least 30–60 minutes after use, or until the “HOT” residual heat warning indicator stops flashing. Use appropriate heat‑resistant gloves or tools when handling vessels on the hot plate. Severe burns can occur upon contact.
Fire Hazard: Do not operate the hotplate stirrer near flammable materials, volatile solvents, combustible gases, or paper products. Keep the work area clear of flammable substances. The heating temperature must be set at least 50 °C lower than the ignition point of the chemicals being used. Do not leave the instrument unattended while operating at high temperatures without appropriate safety protocols.
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, crystallising dishes) that sit flush on the ceramic‑coated work plate. Ensure the magnetic stir bar is in good condition without chips, cracks, or deformities and is properly centred in the vessel before starting. Do not exceed the maximum stir bar length of 80 mm.
Start Slowly: Always start stirring at the lowest speed (just above “0” on the dial) and gradually increase to the desired speed. 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.
Electrical Safety: Do not operate the instrument with wet hands. Ensure the mains power cable does not come into contact with liquids or sharp edges that could damage the insulation. Use only the supplied grounded power cord and ensure the outlet provides proper grounding. Do not operate if the power cord is damaged.
Chemical Compatibility: The ceramic‑coated stainless steel work plate is resistant to strong acids, strong alkalis, and organic solvents. However, prolonged exposure to some concentrated mineral acids or aggressive organic solvents may degrade the coating. 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 heating and stirring knobs immediately. Unplug the unit, allow the plate to cool (if heated), and wipe the spill clean with a soft, damp cloth. Do not let liquids seep under the work plate or into the housing. The IP42 rating provides protection against splashing water, not against pooling liquids.
Operating Environment: Use the MS‑H‑S indoors only, on a stable, level, non‑flammable laboratory benchtop. Do not use in explosive atmospheres or in the presence of flammable gases or vapours. The permissible ambient temperature range is 5–40 °C with relative humidity not exceeding 80 %. Allow at least 10 cm clearance on all sides for proper heat dissipation and ventilation. Do not cover the instrument during operation.
Ventilation and Clearance: The unit requires adequate clearance (at least 10 cm from walls and other equipment) for proper heat dissipation and ventilation. Do not cover the instrument.
Cleaning and Maintenance: Unplug the unit and allow the work plate to cool completely before cleaning. Wipe the ceramic‑coated work plate and the metal 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, metal scouring pads, or sharp objects that could scratch the ceramic coating. Do not saturate the surface with cleaning solution.
Monitoring During Use: Because this is an analog model with no digital temperature display, the operator must actively monitor the heating process. Use an external thermometer or temperature probe to verify plate temperature if precise control is required. Do not leave the instrument unattended for extended periods at high temperatures.
Residual Heat Warning: The “HOT” warning indicator flashes when the work plate temperature exceeds 50 °C and continues even after the unit is turned off (if still connected to mains). Always verify that the “HOT” indicator has stopped flashing before touching the plate or moving the unit.
Training Requirement: Only trained laboratory personnel with appropriate technical background in hotplate stirrer operation should operate the MS‑H‑S for clinical diagnostic or research applications. Users must read and understand the operator’s manual before first use.

2. FIRST AID MEASURES

Burn from Hot Surface: If skin contacts the hot work plate or a hot vessel, immediately cool the burn area with cool (not cold) running water for at least 15 minutes. Do not apply ice directly. Remove any jewellery or constrictive items from the affected area. Cover the burn with a sterile, non‑adhesive dressing. Seek medical attention for large‑area burns (larger than the palm of the hand), deep burns (white or charred appearance), or burns causing blistering. For burns on the face, hands, feet, or genitals, seek immediate medical attention.
Fire: If a fire occurs on or near the hotplate stirrer, immediately turn off the power if safe to do so. Use a class ABC dry chemical fire extinguisher or carbon dioxide (CO₂) extinguisher. Do not use water on electrical fires. Evacuate the immediate area if the fire cannot be immediately controlled. Call emergency services.
Chemical Splash to Eyes: If a heated chemical sample or reagent splashes into the eyes, immediately flush the eyes with copious amounts of cool water or sterile saline for at least 15 minutes. Hold the eyelids open to ensure thorough rinsing. Remove contact lenses if present and easily removable. Seek immediate medical attention. Do not attempt to neutralise the chemical in the eye.
Chemical Splash to Skin: Remove contaminated clothing immediately. Flush the affected skin area with cool running water for at least 15 minutes. Do not rub or scrub. Seek medical evaluation for chemical burns or if irritation persists. Refer to the Safety Data Sheet (SDS) for the specific chemical involved.
Inhalation of Fumes: If fumes from heated chemicals are inhaled, move the affected person to fresh air immediately. Keep the person warm and at rest. If breathing is difficult, administer oxygen if trained. If breathing stops, perform CPR. Seek immediate medical attention.
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. Once safe, assess the victim for responsiveness and breathing. 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 instrument’s metal housing is non‑flammable, but the power cord, internal wiring, and electronic components are combustible. The ceramic‑coated work plate is non‑flammable. The primary fire hazard is the flammable chemicals, solvents, or materials being heated on the work plate.
Extinguishing Media: Use carbon dioxide (CO₂), dry chemical (ABC class), or alcohol‑resistant foam extinguishers for fires involving the electrical components or nearby flammable materials. Do not use water on electrical fires, as water conducts electricity and can cause electrical shock or damage the instrument.
Fire Response: Immediately disconnect power to the instrument at the circuit breaker 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 (including gloves, boots, helmet, and turnout coat) when fighting fires in laboratory settings, as combustion products may include toxic fumes from burning plastics, chemicals, and electrical components.

Analog Heating Magnetic Stirrer(MS-H-S)

Analog Heating Magnetic Stirrer(MS-H-S)

PRIMARY CLINICAL & DIAGNOSTIC USES

SECONDARY & SUPPORTIVE USES

7. Glassware drying and basic instrument preparation: The 135 mm ceramic‑coated plate can be used to gently warm and dry small laboratory glassware items such as beakers, slides, and spatulas after washing, eliminating the need to run a full oven cycle for a few small items.

1. BASIC IDENTIFICATION ATTRIBUTES

Device Type: An analog (manual control), non‑programmable heating magnetic stirrer with a round ceramic‑coated work plate.

Designation: Analog Heating Magnetic Stirrer; DLAB MS‑H‑S; Standard Analog Heating Magnetic Stirrer.

Catalog Number / Versions: 702303 (230 V jeulin model) / 3‑7032‑01 (100 V) / 861049B / 8030211010.

Key Components:

5‑inch (φ135 mm) round stainless steel work plate with durable ceramic coating for strong chemical resistance and easy cleaning.

Maintenance‑free, spark‑free brushless DC motor (available in both 110 V and 220 V versions).

Two independent analog control knobs (dual rotary knobs) for stepless adjustment of temperature and stirring speed.

Integrated operation indicator light (LED) – shows when the unit is powered and when the heating function is active.

Independent “HOT” residual heat warning system (flashes when plate >50 °C, continues even when the main power is turned off).

Independent safety circuit with over‑temperature protection (420 °C hardware cutoff).

IP42‑rated housing (protection against solid foreign objects >12.5 mm and splashing water from any direction).

Three‑pin power cord (region‑specific plug configurations).

2. TECHNICAL & PERFORMANCE PROPERTIES

Work plate dimensions: φ135 mm (5 inches, 5.3″).

Work plate working surface: 135 mm diameter, able to accommodate beakers up to 20 L.

Work plate material: Stainless steel with ceramic coating (strong acid‑resistant, strong alkali‑resistant, durable, easy to clean).

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

Maximum stirring capacity (H₂O): 20 litres.

Speed range: 0 to 1500 rpm (stepless analog control via rotary knob).

Speed display: Analog scale (graduated and numbered dial).

Heating temperature range: Room temperature +5 °C to 340 °C (adjustable via analog knob).

Temperature control accuracy: Digital control loop for stable plate heating, with independent safety circuit for over‑temperature protection.

Temperature display: Analog scale.

Over‑temperature protection (safety circuit): Independent safety circuit; automatic heating cutoff at 420 °C (hardware cutoff).

Residual heat warning: Independent electronic sensor; activates when work plate temperature >50 °C; indicator continues flashing even after the main power is turned off (if unit remains connected to mains) until the plate cools below 50 °C.

Heating output power: 500 W.

Total power consumption: 530 W (heating + motor).

Motor output power: 10 W.

Motor rating (input): 18 W.

Maximum stir bar length: 80 mm.

Number of stirring positions: 1.

Protection class (IP rating): IP42 (or IP42 rated for dust‑ingress and water‑splashing protection).

Power requirements: Universal input – 100–120 V / 200–240 V, 50/60 Hz (user‑selectable by region).

Dimensions (W × D × H): 160 × 280 × 85 mm (or 160 × 280 × 85 mm – some dimensions vary slightly but are consistent across most sources).

Weight: 2.8 kg (approximately 6 lbs).

Heating rate (1 litre water): 6 K/min.

Maximum viscosity (stirring): 40 cP / mPas.

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

Shipping weight (approx.): 3.5 kg.

Certifications: cTUVus, CE, FCC, CB, UKCA, ICES (TÜV‑certified safety); meets DIN/EN 60529 (IP code), IEC/EN 61010‑1 safety requirements for laboratory electrical equipment.

3. PHYSICAL & OPERATIONAL PROPERTIES

Work plate: 5‑inch (φ135 mm) round stainless steel disc with durable ceramic coating, providing strong chemical resistance, fast heating, easy cleaning, and uniform heat distribution.

Operation: Simple, intuitive 3‑step operation:

Place the vessel and add stir bar, then turn the stirring speed knob from “0” to the desired speed (100–1500 rpm). The unit can be used as a stirrer‑only by setting the heating knob to “0”.

Set the desired temperature by turning the temperature control knob to the required scale position (range: room temperature +5 °C to 340 °C). The heating function activates and the display area confirms heating.

When heating is no longer required, turn the temperature knob back to “0”. The green operation light remains on, but the heating stops.

Heating technology: Digital control of the 500 W heating element for stable, overshoot‑free temperature regulation. An independent safety circuit provides over‑temperature protection (420 °C cutoff).

Safety functions:

Portability: Compact benchtop design with a small footprint (160 × 280 mm) and moderate weight (2.8 kg), easily moved between workstations.

Maintenance: The brushless DC motor is maintenance‑free, requiring no routine brush replacement or lubrication. The ceramic‑coated work plate is highly durable and resistant to chemical attack. Periodic visual inspection of the power cord is recommended.

4. SAFETY & COMPLIANCE ATTRIBUTES

Over‑temperature Protection (Safety Circuit): A separate, dedicated safety circuit monitors the hotplate temperature. If the work plate exceeds 420 °C, the instrument automatically stops heating to prevent runaway heating, fire hazards, and sample destruction.

Chemical Safety: The ceramic‑coated stainless steel work plate is resistant to strong acids, strong alkalis, and organic solvents, preventing corrosion and ensuring a long service life even when handling aggressive reagents such as concentrated nitric acid for sample digestion.

Fire Safety: Flame‑retardant metal housing, ceramic‑coated stainless steel work plate, and IP42‑rated construction provide good fire protection and heat dissipation.

Quality Assurance: Each instrument is individually factory‑calibrated and supplied with a calibration certificate traceable to international standards. The instrument is backed by a 2‑year manufacturer’s warranty (in most regions) and is supported by a global distributor network.

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. Allow the unit to cool completely (verify “HOT” indicator is off) before storage.

Periodic verification: Verify the temperature accuracy periodically using a calibrated external thermometer or thermocouple. If deviation from the setpoint exceeds the specified tolerance (±1 °C (<100 °C) or ±1 % (>100 °C)), consult the manufacturer’s service guidelines for recalibration.

6. LABORATORY & CLINICAL APPLICATIONS

1. SAFETY PRECAUTIONS

Start Slowly: Always start stirring at the lowest speed (just above “0” on the dial) and gradually increase to the desired speed. 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.

Ventilation and Clearance: The unit requires adequate clearance (at least 10 cm from walls and other equipment) for proper heat dissipation and ventilation. Do not cover the instrument.

Residual Heat Warning: The “HOT” warning indicator flashes when the work plate temperature exceeds 50 °C and continues even after the unit is turned off (if still connected to mains). Always verify that the “HOT” indicator has stopped flashing before touching the plate or moving the unit.

Training Requirement: Only trained laboratory personnel with appropriate technical background in hotplate stirrer operation should operate the MS‑H‑S for clinical diagnostic or research applications. Users must read and understand the operator’s manual before first use.

2. FIRST AID MEASURES

Inhalation of Fumes: If fumes from heated chemicals are inhaled, move the affected person to fresh air immediately. Keep the person warm and at rest. If breathing is difficult, administer oxygen if trained. If breathing stops, perform CPR. Seek immediate medical attention.

3. FIRE FIGHTING MEASURES

Related products

7. Glassware drying and basic instrument preparation: The 135 mm ceramic‑coated plate can be used to gently warm and dry small laboratory glassware items such as beakers, slides, and spatulas after washing, eliminating the need to run a full oven cycle for a few small items.

Catalog Number / Versions: 702303 (230 V jeulin model) / 3‑7032‑01 (100 V) / 861049B / 8030211010.

5‑inch (φ135 mm) round stainless steel work plate with durable ceramic coating for strong chemical resistance and easy cleaning.

Maintenance‑free, spark‑free brushless DC motor (available in both 110 V and 220 V versions).

Independent “HOT” residual heat warning system (flashes when plate >50 °C, continues even when the main power is turned off).

Independent safety circuit with over‑temperature protection (420 °C hardware cutoff).

IP42‑rated housing (protection against solid foreign objects >12.5 mm and splashing water from any direction).

Work plate dimensions: φ135 mm (5 inches, 5.3″).

Work plate working surface: 135 mm diameter, able to accommodate beakers up to 20 L.

Maximum stirring capacity (H₂O): 20 litres.

Speed range: 0 to 1500 rpm (stepless analog control via rotary knob).

Heating temperature range: Room temperature +5 °C to 340 °C (adjustable via analog knob).

Over‑temperature protection (safety circuit): Independent safety circuit; automatic heating cutoff at 420 °C (hardware cutoff).

Residual heat warning: Independent electronic sensor; activates when work plate temperature >50 °C; indicator continues flashing even after the main power is turned off (if unit remains connected to mains) until the plate cools below 50 °C.

Heating output power: 500 W.

Total power consumption: 530 W (heating + motor).

Motor output power: 10 W.

Motor rating (input): 18 W.

Maximum stir bar length: 80 mm.

Power requirements: Universal input – 100–120 V / 200–240 V, 50/60 Hz (user‑selectable by region).

Dimensions (W × D × H): 160 × 280 × 85 mm (or 160 × 280 × 85 mm – some dimensions vary slightly but are consistent across most sources).

Weight: 2.8 kg (approximately 6 lbs).

Heating rate (1 litre water): 6 K/min.

Maximum viscosity (stirring): 40 cP / mPas.

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

Shipping weight (approx.): 3.5 kg.

Certifications: cTUVus, CE, FCC, CB, UKCA, ICES (TÜV‑certified safety); meets DIN/EN 60529 (IP code), IEC/EN 61010‑1 safety requirements for laboratory electrical equipment.

Work plate: 5‑inch (φ135 mm) round stainless steel disc with durable ceramic coating, providing strong chemical resistance, fast heating, easy cleaning, and uniform heat distribution.

Place the vessel and add stir bar, then turn the stirring speed knob from “0” to the desired speed (100–1500 rpm). The unit can be used as a stirrer‑only by setting the heating knob to “0”.

Set the desired temperature by turning the temperature control knob to the required scale position (range: room temperature +5 °C to 340 °C). The heating function activates and the display area confirms heating.

Heating technology: Digital control of the 500 W heating element for stable, overshoot‑free temperature regulation. An independent safety circuit provides over‑temperature protection (420 °C cutoff).

Portability: Compact benchtop design with a small footprint (160 × 280 mm) and moderate weight (2.8 kg), easily moved between workstations.

Over‑temperature Protection (Safety Circuit): A separate, dedicated safety circuit monitors the hotplate temperature. If the work plate exceeds 420 °C, the instrument automatically stops heating to prevent runaway heating, fire hazards, and sample destruction.

Storage: Store the instrument in a clean, dry, dust‑free environment at room temperature (15–30 °C) when not in use. Allow the unit to cool completely (verify “HOT” indicator is off) before storage.

Ventilation and Clearance: The unit requires adequate clearance (at least 10 cm from walls and other equipment) for proper heat dissipation and ventilation. Do not cover the instrument.