Introduction
An infrared hotplate stirrer is a laboratory instrument that combines an infrared heating hotplate with a magnetic stirrer, providing heating and stirring of liquids, and it is used in chemistry, biology, and other laboratories for heating and mixing solutions. The instrument consists of a heating plate that uses infrared radiation, typically from an infrared heating element or a ceramic infrared heater, to heat the vessel, a magnetic stirrer motor that drives a magnetic stir bar, a temperature controller, and a display; the infrared heating provides rapid and efficient heat transfer to the vessel and the liquid, and the magnetic stirring provides uniform mixing, and the user sets the temperature and the stirring speed, and the instrument heats the liquid to the set temperature while stirring, providing uniform heating and mixing, and the infrared heating is economical and provides fast heating, and the instrument may include a temperature probe for measuring the temperature of the liquid, and the digital or analog display shows the settings. Infrared hotplate stirrers are used for heating and stirring solutions for dissolving, for mixing reagents, for preparing solutions, for heating reactions, for boiling, for evaporation, for digestions, and for many other applications, in chemistry, biochemistry, and food laboratories, and they are available in various sizes, with features such as adjustable temperature and stirring speed, and safety features. With their rapid infrared heating and stirring, infrared hotplate stirrers are practical instruments for laboratory heating and mixing.
Infrared Hotplate Stirrer LIHS-T2010
Infrared Hotplate Stirrer is a microprocessor controlled portable unit with a hot plate temperature of 550 °C. Features an easy to read digital display with an adjustable setting for wo...
Infrared Hotplate Stirrer LIHS-T2011
Infrared Hotplate Stirrer is a microprocessor controlled portable unit with a continuous top plate temperature of 0 °C to 500 °C. Features an easy to read digital display with an adjus...
Infrared Hotplate Stirrer LIHS-T2010
Infrared Hotplate Stirrer is a microprocessor controlled portable unit with a 24 step top plate temperature of 0 °C to 500 °C. Features an easy to read digital display with an adjustab...
Standards
IEC 61010-2-051:2018-Particular requirements for laboratory equipment for mixing and stirring
Complies with the above standards, but is not limited to them.
Features
1. Infrared hotplate stirrer for rapid, uniform heating with infrared technology.
2. Infrared ceramic heating with magnetic stirring for fast, efficient sample heating.
3. Suitable for chemical, pharmaceutical, biological, food, environmental and research labs.
4. Includes infrared heater, magnetic stirrer, digital controller, stir bar and manual.
5. Supports rapid, uniform heating and stirring for chemical reactions and sample prep.
FAQ
Q1: What testing scenarios is this stirrer mainly applied to?
A: The infrared hotplate stirrer is used in chemical laboratories, pharmaceutical development, biological research, food and beverage, environmental testing, industrial quality control and research to rapidly and uniformly heat liquid samples using infrared ceramic heating technology while simultaneously magnetically stirring, for chemical reactions, sample preparation, dissolution, extraction and general laboratory applications requiring fast, efficient heating. It supports chemical reaction rapid heating and stirring (synthesis, digestion), sample preparation requiring fast heat-up, environmental sample digestion, pharmaceutical formulation and dissolution, food and beverage sample preparation, biological sample incubation, and general laboratory heating and stirring where rapid, uniform heating is advantageous. The infrared ceramic heating provides faster heat-up, more uniform temperature distribution across the plate, and better energy efficiency compared to conventional resistance hotplates, while the ceramic surface is more resistant to chemical spills and thermal shock.
Q2: What standards does the stirrer comply with?
A: The infrared hotplate stirrer complies with relevant IEC 61010 laboratory electrical safety standards, IEC 61326 EMC standards, and applicable GB/T standards for laboratory heating and stirring equipment. The hardware complies with applicable safety standards for heated surfaces and infrared radiation. Temperature accuracy should be verified with a calibrated reference thermometer. The infrared heating should not be used with materials that are transparent to infrared (may not heat efficiently) or highly reflective (may reflect IR energy). Users should verify compliance with specific facility requirements.
Q3: What is the warranty period for the whole stirrer and key components?
A: The whole infrared hotplate stirrer is covered by a 12-month warranty. The infrared heating element, ceramic plate, magnetic stirrer drive, digital controller and housing are covered, while stir bars and fuses are consumables. Damage from improper use, ceramic plate cracking (thermal shock, impact), overheating or unauthorized repair is excluded. Extended service contracts may be available. Ceramic plate is durable but can crack from impact or extreme thermal shock.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation is simple: place vessel on ceramic plate, set temperature and speed, and start. No professional training is required for basic use, but users should follow proper vessel selection (flat-bottom, IR-opaque), stir bar selection, temperature setting, ceramic plate care (avoid impact, thermal shock) and hot surface safety. We provide an operation manual and remote guidance. The ceramic plate heats rapidly and can reach high temperatures - use caution.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Temperature calibration against a reference thermometer recommended every 6-12 months for critical applications. Stirring speed verification periodically. Infrared heating element and ceramic plate condition checked (cracks, discoloration). Routine cleaning of ceramic plate. Full system performance check annually. Controller accuracy verified.
Q7: Are supporting consumables universal?
A: Magnetic stir bars (various sizes, coatings), temperature probes (if external) and fuses are available from laboratory suppliers. Long-term consumable cost is very low. Ceramic plate is not a consumable (replace only if cracked/damaged).
Q8: Can I customize parameters or supporting accessories?
A: Customization includes ceramic plate size, temperature range, stirring speed range, stirring capacity, control type, external temperature probe, timer, data logging and accessories. Additional stir bars, probes and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: No complex installation is required. The package includes the infrared hotplate stirrer, stir bar and instruction manual. On-site service is not included.
Q10: What types of samples are compatible with this equipment?
A: The infrared hotplate stirrer heats and stirs liquid samples in flat-bottomed, infrared-opaque vessels (borosilicate glass beakers/flasks, metal containers) within the vessel size, temperature range, stirring volume and specification. IMPORTANT: Infrared heating works by absorption of IR radiation - vessels that are transparent to IR (some glasses, quartz) or highly reflective (polished metal) may not heat efficiently. Standard borosilicate glass and most laboratory glassware work well. Very large volumes may require longer heating (IR heats the vessel, which heats the sample - still efficient but large volumes take time). Users should use flat-bottomed vessels (round-bottom flasks do not make good contact with the flat ceramic plate - use heating mantle for round-bottom), ensure vessels are IR-opaque (standard borosilicate glass works; if unsure, test with a small amount of water), select appropriate stir bar size, set appropriate temperature (ceramic plate can reach 400-500 degrees C - do not exceed vessel rating), avoid thermal shock to ceramic plate (do not place cold/wet vessels on hot plate, do not spill cold liquid on hot ceramic - can cause cracking), handle ceramic plate carefully (impact can crack - do not place heavy/sharp objects on plate, do not slide vessels roughly), avoid heating flammable solvents (use fume hood, consider water/oil bath), use external temperature probe for accurate sample temperature, clean ceramic plate when cool (use damp cloth, avoid abrasive cleaners that can scratch), and follow proper hot surface safety. The ceramic plate should be inspected regularly for cracks (cracked plate should be replaced - can cause uneven heating or electrical hazard). The infrared heating element should be inspected for proper operation (uneven heating can indicate element failure). The stirrer should not be used with vessels that are too large or too heavy for the magnetic drive (can cause stir bar to stop or jump). For applications requiring very precise temperature control, use an external temperature probe with feedback control (the ceramic plate temperature is not the same as sample temperature). The infrared hotplate stirrer is more energy-efficient and faster-heating than conventional hotplates, but the ceramic plate requires more careful handling (impact and thermal shock can cause cracking). For long-duration heating, use a timer or safety cutoff. The stir bar should be retrieved with a magnetic retriever before pouring. Waste (spilled chemicals) should be cleaned promptly and disposed of per applicable regulations.
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