Hotplate magnetic stirrer

A hotplate magnetic stirrer is a laboratory instrument used for simultaneous heating and stirring of liquid samples. It consists of a heating plate and a magnetic stirrer that provides controlled heating and stirring capabilities. Here are some key features and specifications of a hotplate magnetic stirrer:

1. Heating Plate: The heating plate is a flat surface made of materials such as aluminum or ceramic that provides even and controlled heating. It is designed to accommodate beakers, flasks, or other vessels containing liquid samples.
2. Temperature Control: Hotplate magnetic stirrers feature a temperature control system that allows precise regulation of the heating temperature. The temperature can typically be adjusted using a digital control panel or knobs, and the actual temperature is displayed on the screen.
3. Temperature Range: Hotplate magnetic stirrers have a temperature range that can vary depending on the model, typically from ambient temperature up to temperatures ranging from 200°C to 400°C or higher. The specific temperature range will depend on the model and intended application.
4. Stirring Capability: The magnetic stirrer component uses a rotating magnetic field to create a swirling motion in the liquid sample. This allows for efficient mixing and homogenization of the sample. The stirring speed is usually adjustable and can range from gentle stirring to more vigorous agitation.
5. Stirring Speed Control: Hotplate magnetic stirrers provide control over the stirring speed, allowing users to adjust the rotational speed of the magnetic stir bar or paddle. The speed control can typically be adjusted using a digital control panel or knobs.
6. Safety Features: Hotplate magnetic stirrers often incorporate safety features to ensure safe operation. These may include over-temperature protection to prevent overheating, hot surface warning indicators, and automatic shutoff functions in case of temperature deviations or other malfunctions.
7. Timer Function: Some hotplate magnetic stirrers offer a timer function that allows users to set a specific duration for the heating and stirring process. The instrument will automatically shut off after the set time has elapsed.
8. Magnetic Stir Bar: A magnetic stir bar or paddle is placed in the liquid sample and is rotated by the rotating magnetic field generated beneath the heating plate. It should be selected appropriately based on the sample volume and compatibility with the liquid being stirred.
9. Stability and Uniformity: Hotplate magnetic stirrers are designed to provide stability and uniform heat distribution across the heating plate. This ensures consistent heating and stirring performance throughout the sample.

Power Requirements: Hotplate magnetic stirrers require electrical power to operate. The power requirements, stated in watts or kilowatts, can vary depending on the size and heating capacity of the instrument. It is important to ensure that the power supply matches the specifications of the hotplate magnetic stirrer