Stuart CR302 Infrared Hotplate stirrer x 3

• Chemical synthesis and reactions requiring controlled heating and stirring.
• Sample preparation in analytical laboratories, including digestions and evaporations.
• Microbiological media preparation and dissolution of reagents.
• Quality control processes in various industries for solution mixing and heating.

Heating technology

Infrared (IR) heating, commonly offering rapid heat-up times compared to traditional ceramic hotplates.

Stirring capacity

Typically up to 15 litres, suitable for a range of laboratory vessel sizes.

Maximum temperature

Hotplate surface can commonly reach up to 400 °C.

Stirring speed range

Adjustable from approximately 100 to 1500 rpm, with feedback control for consistent speeds.

Hotplate surface dimensions

Units of this class commonly feature a 30 x 30 cm heating area.

Power supply

Typically 240 V, 50/60 Hz, compatible with standard UK laboratory mains.

Footprint

For this model, overall dimensions are approximately 32 cm (W) x 37 cm (D) x 11 cm (H), making it suitable for benchtop use.

Weight

Units of this type commonly weigh around 4 kg, indicating portability.

• What are the advantages of infrared heating over ceramic hotplates?

  Infrared heating typically offers faster heat-up times and more efficient energy transfer, which can lead to quicker boiling and reduced operational costs compared to standard ceramic hotplates.

• Can this unit handle viscous liquids?

• Is external temperature control possible?

• What maintenance is typically required for these units?

• Are spare parts readily available for Stuart equipment?

Hotplates and heating stirrers remain industry workhorses for consistent temperature control in laboratory and biotech applications. Buyers typically prioritise robust build quality, accurate temperature regulation, and reliable stirring mechanisms when purchasing used units. Key considerations include element condition, calibration history, and compatibility with existing workflows. The equipment is valued for longevity and cost-effectiveness in secondary markets, though prospective buyers should verify heating performance and inspect stirring components for wear before committing to purchase.

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