Hot Plates & Magnetic Stirrers

Buy new, refurbished, used, and surplus hot plates and magnetic stirrers from mLab Supply for research labs, universities, biotech, pharma, and industrial facilities. Net 30 terms available for qualified organizations. Our inventory includes hot plate stirrers, heating-only units, and magnetic stirrers suited for buffer preparation, reagent mixing, media preparation, dissolution, and general sample heating. Commonly evaluated brands include IKA, Thermo Scientific, Corning, Heidolph, VWR, and OHAUS. Equipment not currently listed may be available to source upon request — contact us or submit a quote request to discuss your requirements.

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<h2>How to Choose Hot Plates &amp; Magnetic Stirrers</h2>
<p>Selecting the right hot plate or magnetic stirrer depends on your application requirements, vessel size, sample volume, and whether you need heat, stirring, or both simultaneously. Heating-only units are suited for applications where agitation is not required, while hot plate stirrers combine both functions on a single platform. Consider the number of samples you process at once — single-position units handle one vessel at a time, while multi-position systems allow parallel processing across multiple vessels. Evaluate the control interface, temperature monitoring options, and compatibility with your vessels and stir bars before requesting a quote.</p>

<h2>Hot Plate Stirrer vs Magnetic Stirrer</h2>
<p>A magnetic stirrer uses a rotating magnetic field to spin a stir bar placed inside a vessel, providing agitation without heat. A hot plate stirrer adds a heated surface beneath the stir bar, enabling simultaneous heating and mixing. For applications requiring only agitation — such as buffer preparation at ambient temperature — a magnetic stirrer may be sufficient. When heating and mixing are both needed, a hot plate stirrer is the appropriate choice. Verify that the unit you evaluate supports your required combination of functions before committing to a configuration.</p>

<h2>Single-Position vs Multi-Position Systems</h2>
<p>Single-position hot plate stirrers are designed for use with one vessel and are well-suited for benchtop workflows where samples are processed sequentially. Multi-position systems allow several vessels to be stirred simultaneously from a single unit, which can improve throughput in parallel sample preparation workflows. Multi-position configurations may use a single elongated plate or modular station designs. Confirm the number of positions and the spacing between them relative to the vessel format you plan to use when evaluating a specific system.</p>

<h2>Digital vs Analog Controls</h2>
<p>Digital hot plate stirrers provide numeric displays for set-point and actual temperature or speed, allowing precise adjustment and easier documentation of operating parameters. Analog controls use dials and do not provide numeric readouts, which may be sufficient for less demanding applications. Some digital units also support external temperature probe inputs, enabling closed-loop control based on actual sample temperature rather than plate surface temperature — a meaningful distinction for temperature-sensitive workflows. Confirm the control interface and any probe compatibility when reviewing individual listings or requesting a quote.</p>

<h2>Popular Manufacturers and Models</h2>
<p>mLab Supply sources hot plates and magnetic stirrers from leading manufacturers across a range of configurations and price points. The following represent commonly evaluated systems; availability varies and sourcing options may be available for models not currently listed.</p>

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<h3>IKA</h3>
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<li>C-MAG HS 7 Digital Hot Plate Stirrer — representative model; verify configuration and available accessories prior to purchase</li>
</ul>
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<h3>Thermo Scientific</h3>
<ul>
<li>Cimarec+ Hot Plate Stirrer — representative model; verify configuration prior to purchase</li>
<li>Super-Nuova+ Hot Plate Stirrer — representative model; availability varies</li>
</ul>
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<h3>Corning</h3>
<ul>
<li>PC-420D Digital Hot Plate Stirrer — representative model; verify configuration prior to purchase</li>
</ul>
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<h3>Heidolph</h3>
<ul>
<li>Hei-PLATE Core Hot Plate Stirrer — representative model; availability varies</li>
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<h3>VWR</h3>
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<li>Digital Hot Plate Stirrer — representative model; sourcing options may be available</li>
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<h3>OHAUS</h3>
<ul>
<li>Guardian 5000 Hot Plate Stirrer — representative model; verify configuration and availability</li>
</ul>
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<h2>Buying Used and Refurbished Hot Plates &amp; Magnetic Stirrers</h2>
<p>Used and refurbished hot plate stirrers and magnetic stirrers can offer significant cost savings compared to new equipment, particularly for common single-position configurations from established manufacturers. Refurbished units sourced by mLab Supply may include performance verification, cleaning, and documentation where available — details vary by unit and should be confirmed in the individual listing or through a quote request. Surplus and as-is equipment is also available for buyers with in-house service capabilities. Contact us to discuss condition, service history documentation, and sourcing options for specific models.</p>

<h2>Temperature Monitoring and Control</h2>
<p>Hot plate stirrers control the plate surface temperature, which differs from the actual sample temperature inside the vessel. The degree of difference depends on vessel material, volume, ambient conditions, and the liquid being heated. Some units support an external temperature probe that can be placed directly in the sample, enabling closed-loop control based on actual sample temperature where supported. Confirm whether the unit you are evaluating supports an external probe input, and whether a probe is included with the listing, before purchasing.</p>

<h2>Stirring Performance and Vessel Considerations</h2>
<p>Magnetic stirring performance depends on the stir bar size and shape, vessel geometry, sample volume, and the viscosity of the liquid being stirred. Round-bottom flasks, beakers, and Erlenmeyer flasks each interact differently with stir bars, and selecting the appropriate bar shape for your vessel and application is important for consistent mixing. Higher viscosity samples may require larger stir bars or reduced stirring speeds to prevent decoupling. Confirm stir bar compatibility and whether bars are included in a given listing prior to purchase. Bench space and electrical requirements should also be verified for your facility configuration.</p>

<h2>Common Laboratory Applications</h2>
<p>Hot plates and magnetic stirrers are used across a wide range of laboratory workflows, including buffer preparation, reagent preparation, media preparation, dissolution testing, sample mixing, general heating, chemistry workflows, and research sample preparation. Multi-position stirrers are particularly well-suited for parallel preparation workflows. Avoid applying these instruments to applications involving flammable solvents unless the unit is rated for such use — verify the unit's specifications and your facility's safety requirements independently.</p>

<h2>Installation and Facility Planning</h2>
<p>Most hot plate stirrers are benchtop instruments with standard electrical requirements; however, specific voltage and plug configurations should be confirmed for each unit, particularly for imported or refurbished equipment. Bench space requirements vary by platform size and number of positions. Multi-position systems require more horizontal clearance. Confirm electrical compatibility, ventilation requirements, and available bench space prior to purchase. If installation support is needed, contact mLab Supply to discuss logistics options for your facility.</p>

<h2>Procurement and Logistics</h2>
<p>mLab Supply supports procurement teams with Net 30 terms for qualified organizations. Our sourcing team can assist with vendor consolidation, equipment evaluation, and procurement documentation. Hot plate stirrers and magnetic stirrers are generally shipped as bench-top instruments; packaging and freight requirements vary by unit size and weight. Contact us for shipping quotes or to discuss bulk procurement options. Equipment not currently listed may be available to source upon request — submit a <a href="/pages/rfq">Request a Quote</a> to begin the sourcing process.</p>

<h2>Related Laboratory Equipment</h2>
<p>Hot plates and magnetic stirrers are frequently used alongside other laboratory heating and mixing instruments. Dry baths provide block-based heating for tubes and microplates without magnetic stirring. Vortex mixers and orbital shakers offer alternative agitation formats for different vessel types and throughput requirements. Incubator shakers combine temperature-controlled environments with orbital mixing for cell culture and microbiology applications. Homogenizers and bead mills provide high-energy disruption for samples requiring more aggressive processing. Browse the full <a href="/collections/lab-equipment">laboratory equipment catalog</a> or <a href="/pages/rfq">submit a quote request</a> to discuss your complete lab needs. mLab Supply also purchases used lab equipment — visit our <a href="/pages/sell-lab-equipment">Sell Lab Equipment</a> page to learn more.</p>

<h2>Why Buy From mLab Supply?</h2>
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<li>New, refurbished, and surplus hot plates and magnetic stirrers available</li>
<li>Sourcing of discontinued and hard-to-find models upon request</li>
<li>Vendor and procurement support for research and institutional buyers</li>
<li>Net 30 terms available for qualified organizations</li>
<li>Nationwide shipping on in-stock and sourced equipment</li>
<li>Equipment purchasing and trade-in options available</li>
<li>Installation and logistics support on select systems</li>
</ul>

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<h2>Frequently Asked Questions</h2>

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<h3>What is a hot plate stirrer?</h3>
<p>A hot plate stirrer is a laboratory instrument that combines a heated surface with a rotating magnetic field to simultaneously heat and stir samples in a vessel containing a magnetic stir bar. It is widely used for buffer preparation, reagent mixing, dissolution, and general sample heating in research and industrial labs.</p>
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<h3>What is the difference between a magnetic stirrer and a hot plate stirrer?</h3>
<p>A magnetic stirrer provides agitation only, using a rotating magnetic field to spin a stir bar inside a vessel without applying heat. A hot plate stirrer adds a heated surface, enabling simultaneous heating and mixing. Choose based on whether your application requires heat, agitation, or both.</p>
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<h3>Can a hot plate stirrer be used for stirring without heating?</h3>
<p>Yes. Most hot plate stirrers allow the stirring function to be used independently without activating the heating element. This makes them versatile instruments for applications requiring mixing at ambient or controlled temperatures.</p>
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<h3>What should I verify when evaluating a used hot plate stirrer?</h3>
<p>Key items to verify include the condition of the plate surface, functionality of both heating and stirring controls, availability of any included accessories such as probes or stir bars, service history documentation if available, and electrical compatibility with your facility. Contact mLab Supply or review the individual listing for unit-specific details.</p>
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<h3>Are external temperature probes included with listed units?</h3>
<p>Included accessories vary by listing. Some units are listed with probes included; others are not. Confirm what is included in a specific listing before purchasing, or submit a quote request to ask about probe availability for a particular model.</p>
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<h3>Are stir bars included with listed units?</h3>
<p>Stir bar inclusion varies by listing. Verify whether stir bars are included in the individual listing description. If you need stir bars or other consumables as part of your sourcing request, note this when submitting a quote.</p>
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<h3>What plate surface materials are common on hot plate stirrers?</h3>
<p>Common plate surface materials include ceramic, aluminum, and stainless steel. Each offers different thermal characteristics and chemical resistance. Verify the plate material for the specific unit you are evaluating to ensure compatibility with your application and cleaning protocols.</p>
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<h3>Can mLab Supply source a specific hot plate or magnetic stirrer model?</h3>
<p>Yes. If a model you need is not currently listed, mLab Supply can often source it through our supplier network. Submit a <a href="/pages/rfq">Request a Quote</a> with the manufacturer, model, and any configuration requirements, and our team will follow up with availability and pricing.</p>
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<h3>How are hot plate stirrers shipped?</h3>
<p>Hot plate stirrers are benchtop instruments and are generally shipped via standard freight or parcel carriers depending on size and weight. Packaging and freight requirements vary by unit. Contact mLab Supply for a shipping quote or to discuss logistics for larger or multi-position systems.</p>
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<h3>What manufacturers does mLab Supply commonly source?</h3>
<p>mLab Supply commonly sources hot plates and magnetic stirrers from IKA, Thermo Scientific, Corning, Heidolph, VWR, and OHAUS, among others. Availability varies. If you are looking for a specific brand or model, submit a quote request and our team will assist.</p>
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<h3>Are used hot plate stirrers refurbished before sale?</h3>
<p>Refurbishment status varies by unit. Some listings include performance verification and cleaning; others are offered as surplus or as-is. Review the individual listing description or contact mLab Supply to confirm the condition and any work performed on a specific unit before purchasing.</p>
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<h3>What information should I provide when requesting a quote?</h3>
<p>For the most accurate response, include the manufacturer and model if known, your preferred condition (new, refurbished, or surplus), required quantity, any configuration preferences such as number of positions or probe compatibility, your organization name for Net 30 eligibility, and your target timeline. Submit a <a href="/pages/rfq">Request a Quote</a> to get started.</p>
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