LCD Digital Magnetic Hotplate Stirrer

• LSM+H-Pro LCD Digital High-Torque High-Temperature Magnetic Hotplate Stirrer equipped with 10W high-power explosion-proof brushless DC motor, max stirring volume up to 20L. It fits chemical synthesis, pilot scale reaction, biological fermentation, large-volume wet digestion and mineral sample pretreatment, supporting unattended long-duration constant-temperature stirring workflows.
• Original factory core specs: Φ135mm (5 inch) round work plate with stainless steel substrate & ceramic coating; 10W high-power explosion-proof brushless DC motor, total unit power 550W, heating power 500W; max stirring volume 20L water, compatible with magnetic stir bars up to 80mm length; speed range 100–1500rpm with ±1rpm resolution, dual independent LCD for speed & temperature readout; heating range Room Temp – 340℃, 1℃ temperature increment, temperature display accuracy ±0.1℃; liquid control accuracy ±1℃ below 100℃, ±1% above 100℃; external PT1000 temperature sensor with ±0.2℃ precision; auto overheat cut-off at 420℃, flashing "HOT" residual heat warning at 50℃ after power off; built-in RS232 data connector for PC remote control & data export; IP21 dust protection; no timer function; dual wide voltage 100-120V/200-240V, universal 50/60Hz.
• Operating environment: permissible ambient temperature 5–40℃, relative humidity ≤80%RH.
• Dimension 160×280×100mm, net weight 2.8Kg. High torque design handles large-volume & high-viscosity fluids, qualified for continuous unattended lab operation.
• Key advantages: 10W high-torque stirring motor, 20L ultra-large stirring load; stable heating up to 340℃; RS232 PC data communication; high-resolution speed adjustment ±1rpm; accurate external PT1000 temperature measurement; 50℃ post-shutdown residual heat warning; spark-free explosion-proof maintenance-free motor; chemical-resistant stainless steel ceramic plate; dual independent overheat safety circuits; universal dual voltage for global markets.

• Reinforced 10W high-power explosion-proof brushless motor delivers greatly upgraded torque, supporting maximum 20L aqueous solution stirring with up to 80mm long stir bars; no slipping or magnetic attenuation for high-viscosity fluids and pilot large-volume reactions.
• Speed range 100–1500rpm with ±1rpm high resolution, fine stepless digital speed control: gentle low-speed mixing and powerful high-speed homogenization for precise adjustment matching fluid viscosity & volume.
• Digital constant heating up to 340℃ with 1℃ adjustment increment and closed-loop PID temperature control, minimal temperature fluctuation at high thermal range, ideal for pilot synthesis and mineral high-temperature digestion workflows.
• Φ135mm stainless steel composite ceramic coated plate delivers outstanding resistance to strong acid, alkali and organic solvents, uniform fast heat transfer, no peeling/deformation under long-term 340℃ heating, easy wiping after reagent spills.
• Standard high-precision external PT1000 temperature probe immerses directly into reaction liquid to eliminate plate-solution temperature offset, capturing real internal sample temperature to meet strict data standards for test reports and academic research.
• Dual independent overheat safety circuits automatically cut heating output at 420℃ threshold, multi-layer safeguards prevent dry heating and vessel rupture, enabling safe unattended overnight continuous operation.
• Residual heat "HOT" warning system: LCD flashes "HOT" continuously if plate temperature exceeds 50℃ while power cable remains connected after shutdown, preventing operator scald injury.
• Built-in RS232 data connector supports PC remote control for unit start/stop, temperature & speed setting, plus real-time export of full-process experimental data for traceability and file archiving.
• Spark-free explosion-proof brushless DC motor eliminates carbon brush wear for maintenance-free operation, safe for reaction systems with low-boiling flammable solvents including methanol, acetone and petroleum ether.
• Wide range of optional accessories including support stands, clamps and temperature probes for flexible assembly of complete reflux, distillation and constant-temperature reaction setups.

• Product positioning: High-torque pilot-scale high-temperature magnetic stirrer supporting 20L ultra-large volume sample processing, engineered for chemical pilot reactions, large-scale biological fermentation, batch environmental soil/water digestion and polymer synthesis, filling the gap of standard small-volume (3–5L) stirrers unable to handle bulk fluid reactions.
• 10W high-torque brushless motor delivers multiple times stronger stirring power than standard 1.8W/3W units, maintains homogeneous mixing for full 20L aqueous load and high-viscosity fluids; matched with 80mm extended stir bars to eliminate sedimentation & stratification at vessel bottom.
• Wide heating range up to 340℃ with precise 1℃ adjustment increment and stable closed-loop PID control, suitable for high-boiling solvent reflux, mineral heavy metal thermal decomposition and polymer polymerization mid-temperature workflows.
• Industrial RS232 data port connects to PC software for remote speed/temperature setting, automatic full-process parameter logging and exportable data sheets, complying with traceability & archiving compliance standards for academic research and third-party testing institutes.
• Stainless steel ceramic composite round plate provides superior chemical resistance against acid, alkali and organic solvent spills; smooth dense surface enables easy cleaning, no discoloration or aging under prolonged high-temperature operation.
• Complete multi-layer safety protection suite: dual independent overheat circuits with mandatory 420℃ power cut, flashing residual heat warning at 50℃, IP21 dust-proof housing and spark-free explosion-proof motor, fully safe for unattended overnight operation.
• Universal dual wide voltage design works directly with 100–120V EU/US and 200–240V Asian power grids, one single model covers all mainstream overseas export regions to reduce distributor stock SKUs.
• Full range of optional experimental accessories including support stands, clamps, temperature probes and reflux assemblies enable fast setup of integrated constant-temperature reflux & distillation reaction systems for one-stop lab solution demands.

• Single batch processing of 10–20L large-volume fluids for chemical pilot tests & batch environmental digestion, standard ≤5L stirrers lack sufficient torque causing stratification:
  Select LSM+H-Pro with 10W high-power motor and max 20L stirring load, compatible with 80mm long stir bars to deliver uniform mixing without sedimentation for pilot-scale batch workflows.
• Thermal processes require temperature above 300℃, stable up to 340℃ for high-boiling solvent reflux, mineral thermal decomposition and polymer synthesis:
  This unit delivers consistent heating up to 340℃ with fine 1℃ adjustment step and low-fluctuation PID closed-loop control, ideal for harsh mid & high-temperature synthesis and digestion experiments.
• Lab requires PC connection for automatic experimental data logging and remote control to meet traceability archiving standards for papers & official test reports:
  Built-in RS232 data communication port supports remote PC operation and full-process data export, perfectly matching compliance demands of academic and third-party testing labs.
• Frequent experiments with low-boiling flammable organic solvents, fire/explosion safety concerns, long unattended overnight operation required:
  Spark-free explosion-proof brushless motor paired with dual independent overheat circuits and residual heat warning multi-layer safeguards for reliable unattended all-night runs.
• High precision speed adjustment needed for switching between gentle low-speed homogenization and powerful high-speed dispersion:
  Speed range 100–1500rpm with ±1rpm high resolution for accurate micro-value tuning, covering both mild low-mix and intense high-shear mixing scenarios.
• Bulk export to multi-region overseas markets covering both 110V EU/US and 220V Asia grids, unified single model to simplify inventory stock:
  Universal dual wide voltage 100-120V/200-240V fits all global power grids without separate voltage stock versions.
• Complete reflux & distillation reaction setup required with supporting stands, clamps and full accessories:
  Full range of optional lab accessories compatible with this unit enables fast assembly of integrated constant-temperature reflux systems for one-stop synthesis setup demands.

• Standard factory package includes LSM+H-Pro high-torque high-temperature LCD magnetic hotplate stirrer main unit, power cord, external PT1000 temperature sensor and printed English operation manual. 20L large-volume high-temperature stirring pilot experiments can be performed immediately after unboxing without extra basic accessories.
• OEM private branding customization service is available for bulk orders to create exclusive brand visuals for lab instrument independent online stores and overseas chemical, environmental & biological research exhibition marketing channels.
• Thick shockproof separate carton fully lined with high-density foam buffer withstands long-distance sea & air freight vibration and compression, preventing ceramic plate scratch impact and internal high-power motor/heating component damage.
• In-stock orders ship within 3–10 working days. Goods will be packed and dispatched uniformly after model & accessory confirmation to shorten lead time for overseas pilot plants, research institutes and instrument distributors.
• Multiple cross-border logistics options including sea freight, air freight and international courier are offered to match cost-effective transport solutions based on order volume and requested arrival time.

Selling Units

Single item

Package size perbatch

47*25*24cm

Gross weight perbatch

4.00kg

• Contact customer service to obtain complete original electronic documents for product comparison, independent website listing, overseas exhibition promotion and customer technical consultation.
• Official electronic files for this product include full main unit technical specs, RS232 communication guide, English operation manual, equipment safety guidelines, dimension drawings and product brochures. All documents comply with official factory standards with verifiable data.
• Enterprise promotional materials are available, including company brand brochure, real workshop photos and factory introduction files.
• We provide full-series supporting resources for all stirring equipment, single/multi-position hotplate stirrers and heating mantle accessories, supporting unified store operation and multi-category product marketing.

• If you need to purchase LSM+H-Pro 20L large-volume RS232 data communication high-temperature magnetic hotplate stirrer in bulk for chemical pilot synthesis, large-scale biological fermentation, batch environmental digestion, mineral high-temperature pretreatment, university research & teaching labs or laboratory instrument distribution, you may inquire for official detailed quotations with zero hidden fees. Larger order volumes enjoy more favorable unit prices, ideal for centralized procurement of overseas scientific research institutions, chemical manufacturers and large stock preparation by distributors.
• OEM private branding customization is supported for bulk orders. We assign dedicated one-on-one account managers to assist full-cycle coordination including price calculation, technical parameter verification, factory quality control, lead time scheduling and complete branding customization negotiation.
• You can reach us via email, WhatsApp or website message. Please leave notes of full product model, order quantity and supporting experimental accessory demands. A full formal quotation sheet will be sent to you within 24 hours, covering unit price, tiered volume discount, production lead time and full logistics solution to resolve all your procurement questions in one stop.