What is the primary function of a magnetic hotplate stirrer?

A magnetic hotplate stirrer is designed for simultaneous heating and stirring of liquids in laboratory environments. It uses a magnetic field to rotate a stir bar within a vessel, ensuring uniform mixing and temperature distribution.

Can this unit be used for unattended operation?

While units of this type offer stable operation, continuous monitoring is generally recommended, especially when heating flammable liquids or operating at high temperatures. Always refer to the manufacturer's safety guidelines.

What types of vessels are compatible with this hotplate?

Typically, laboratory glassware such as beakers, flasks, and bottles made of borosilicate glass or other heat-resistant materials are suitable. Ensure the vessel base is flat for optimal heat transfer and stir bar rotation.

How accurate are the temperature and speed controls?

For this model, speed accuracy is typically ±2%, and temperature setting accuracy is around ±5 °C when not using an external sensor. Accuracy can be improved to about ±1 °C with an external temperature probe.

What maintenance is required for a magnetic hotplate stirrer?

Routine maintenance typically involves keeping the hotplate surface clean, checking the power cord for damage, and ensuring the ventilation slots are unobstructed. Regular calibration may be required for precise applications.

Used Heidolph MR Hei-standard Magnetic Hotplate Stirrer - Hotplates & Heating Stirrers, фото 1

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Used Heidolph MR Hei-standard Magnetic Hotplate Stirrer - Hotplates & Heating Stirrers, фото 7

Used Heidolph MR Hei-standard Magnetic Hotplate Stirrer - Hotplates & Heating Stirrers

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Heidolph MR Hei-standard Magnetic Hotplate Stirrer

Name: Heidolph MR Hei-standard Magnetic Hotplate Stirrer
Brand: Heidolph MR Hei-standard Magnetic Hotplate Stirrer
SKU: 25249.SR9B
Price: 275 GBP
Availability: InStock

Цена: £ 275

This listing is for the Heidolph MR Hei-standard Magnetic Hotplate Stirrer The unit is in full working condition and is ready for immediate use The Heidolph MR Hei‑Standard is a laboratory magnetic hotplate stirrer—a reliable and robust device designed for simultaneous heating and stirring of liquids up to moderate scales. Key Features & Technical Specs Heating & Stirring: It heats up to 300 °C on the hotplate (with sample temperatures reaching around 250 °C) and stirs with speeds up to 1,400 rpm, capable of handling volumes up to 20 liters of water Heating Power & Plate: Offers around 800–825 W of heating power, using a ceramic-coated silumin (Kera‑Disk®) plate that ensures excellent heat distribution and resistance to scratches and chemicals Controls & Accuracy: Features analogue dials for setting temperature and speed (typically from 100 to 1,400 rpm), with speed accuracy of ±2% and temperature setting accuracy of about ±5 °C (or ±1 °C when using an external sensor)

Cambridgeshire, United Kingdom

5 773 км от вас

Номер модели

Heidolph MR Hei-standard Magnetic Hotplate Stirrer

Складской номер

25249.SR9B

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Типичные сведения для этой категории оборудования. Всегда уточняйте детали у продавца.

Chemical synthesis and reactions in laboratory settings.
Dissolving solids and preparing solutions.
Titration and analytical chemistry procedures.
Biological sample preparation and cell culture media mixing.
Quality control and research and development in various industries.

Typical stirring volume: Units of this type commonly handle volumes up to 20 litres of water.
Typical hotplate temperature range: Hotplates typically heat up to 300 °C, with sample temperatures reaching around 250 °C.
Typical stirring speed range: Stirring speeds are commonly found from 100 to 1,400 rpm.
Heating plate material: Units in this class often feature a ceramic-coated silumin (Kera-Disk®) plate for durability and even heat distribution.
Power supply: Typically operates on a standard single-phase laboratory power supply (e.g., 230 V, 50/60 Hz).
Heating power: Heating power for this class of equipment is commonly around 800–825 W.

A magnetic hotplate stirrer is designed for simultaneous heating and stirring of liquids in laboratory environments. It uses a magnetic field to rotate a stir bar within a vessel, ensuring uniform mixing and temperature distribution.

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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