What is the typical footprint of a magnetic hotplate stirrer of this type?

These units typically have a compact benchtop footprint, often around 150-200 mm square for the base, making them suitable for most laboratory benches.

Can this equipment be used for unattended operation?

While capable of stable operation, for safety and process control, especially with heating, continuous monitoring or the use of an external temperature sensor with safety cut-off is recommended for unattended use.

What type of vessels are suitable for use with this hotplate stirrer?

Typically, flat-bottomed glass beakers, flasks, and other laboratory vessels made from heat-resistant materials are suitable. The hotplate surface is designed to accommodate various standard labware sizes.

Is an external temperature sensor necessary?

An external temperature sensor is not always necessary for basic heating, but it provides more accurate control of the sample temperature directly and is often recommended for sensitive applications or improved safety.

What maintenance is typically required for this equipment?

Maintenance is generally minimal, primarily involving routine cleaning of the hotplate surface and ensuring the ventilation slots are clear. Periodic checks for wear on the stirring magnet and power cord are also advisable.

used Equipment

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Heidolph MR Hei-standard Magnetic Hotplate Stirrer -

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

Price: £ 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

5,791 km away

Model Number

Heidolph MR Hei-standard Magnetic Hotplate Stirrer

Stock Number

25249.SR9B

Machinery Masters View

Typical context for this category of equipment. Always confirm specifics with the seller.

Applications & Use Cases

Used for chemical synthesis and reactions requiring controlled temperature and agitation.
Suitable for preparing solutions, dissolving solids, and titrations in laboratory settings.
Applied in quality control laboratories for sample preparation and analysis.
Utilised in biological and biotechnological research for cell culture media preparation and reagent mixing.
Commonly found in educational institutions for teaching practical chemistry and biology.

Typical Specifications

Typical stirring volume: Units in this class typically handle volumes up to 20 litres of water.
Typical hotplate temperature range: Hotplate temperatures commonly reach up to 300 °C, with sample temperatures around 250 °C.
Typical stirring speed range: Stirring speeds are typically adjustable from 100 to 1,400 rpm.
Heating power: Heating power for this class of equipment is commonly in the range of 800-825 W.
Hotplate material: Units often feature a ceramic-coated silumin (Kera-Disk®) plate, known for heat distribution and chemical resistance.
Control type: Typically features analogue dials for setting temperature and speed.
Power supply: Commonly operates on a standard single-phase laboratory power supply, typically 230V, 50/60Hz.

Frequently Asked Questions

These units typically have a compact benchtop footprint, often around 150-200 mm square for the base, making them suitable for most laboratory benches.

Machinery Masters Intelligence. General guidance for this category of equipment only, not a substitute for the seller's exact specifications. Always confirm details with the seller.