Corning 6795-420D PC-420D Stirring Hot Plate

Product Review: Corning 6795-420D PC-420D Stirring Hot Plate

Hot plates are essential tools in laboratory settings, providing a reliable and efficient way to heat and stir various substances during experiments. The Corning 6795-420D PC-420D Stirring Hot Plate is a popular choice among scientists and researchers due to its advanced features and capabilities.

The Corning 6795-420D PC-420D Stirring Hot Plate is designed to provide precise temperature control and efficient stirring for a wide range of laboratory applications. It offers a large heating surface and a powerful magnetic stirrer, making it suitable for both small-scale and large-scale experiments. With its user-friendly interface and robust construction, this hot plate is a reliable and versatile tool for any laboratory.

The Corning 6795-420D PC-420D Stirring Hot Plate is a versatile laboratory tool designed to meet the needs of scientists and researchers. With its exceptional heating and stirring capabilities, this hot plate proves to be a reliable choice for various applications. In this review, we will delve into its features, highlighting both the pros and cons to help you make an informed decision.

Understanding the Features and Capabilities of the Corning 6795-420D PC-420D Stirring Hot Plate

The Corning 6795-420D PC-420D Stirring Hot Plate comes with a range of features that enhance its performance and usability. It offers precise temperature control with a temperature range of 5°C above ambient to 550°C, allowing researchers to maintain the desired temperature for their experiments. The hot plate also has a built-in timer function, which can be programmed for up to 99 hours and 59 minutes, enabling users to automate their experiments.

In addition to temperature control, the Corning 6795-420D PC-420D Stirring Hot Plate has a powerful magnetic stirrer with a maximum stirring speed of 1,500 rpm. This ensures efficient mixing of substances, even those with high viscosities. The hot plate also features an easy-to-read digital display that shows the set temperature, actual temperature, and stirring speed, providing users with real-time feedback on their experiments


The Corning PC-420D Stirring Hot Plate combines powerful heating with efficient magnetic stirring, offering an all-in-one solution for laboratory experiments. Featuring a Pyroceram top, it provides excellent heat transfer and temperature uniformity. The hot plate can reach temperatures up to 550°C (1022°F) within a short time, allowing for quick and precise heating. Equipped with a built-in magnetic stirrer, it ensures efficient mixing even at high speeds. The stir speed and temperature can be easily adjusted using the intuitive control knobs.


  1. Versatile Performance: This product excels in providing reliable and consistent heating, making it suitable for various applications ranging from simple evaporations to complex chemical reactions.
  2. Precise Temperature Control: The hot plate allows precise adjustment of temperature settings with its easy-to-use control knobs, ensuring accurate results.
  3. Efficient Stirring Capability: The built-in magnetic stirrer operates smoothly even at high speeds, facilitating complete mixing of solutions.
  4. Robust Build Quality: Made by Corning, a trusted brand in laboratory equipment, this hot plate is built to last with durable materials and sturdy construction.
  5. Enhanced Safety Features: Equipped with an indicator light that remains on when the unit is in use or cooling down, it provides clear visibility and ensures user safety.


  1. High Price Point: Compared to some other hot plates on the market, the Corning PC-420D comes with a higher price tag. However, considering its quality and performance, it is a worthwhile investment for serious researchers.

Unique Features:

  • Hotplate features a U.S. three-prong plug and operates on 120V/60Hz power source
  • Digital LED display shows stirring speed in rpm or temperature in degrees Celsius, with an illuminated power indicator
  • Glass-ceramic plate surface is scratch, corrosion, and chemical resistant, with easy cleaning ability
  • Two-piece casting design deflects spills from electrical area and includes built-in rod mount support
  • Available in various stirring speeds (+/- 5% of set speed) and sizes, with optional stirrer apparatus
  • Amperage: 5.9, Watts: 698
  • Microprocessor maintains consistent temperature settings from 5 to 550 degrees Celsius (+/- 2 degrees C), adjustable in 5-degree increments
  • Flashing indicator blinks until set temperature is reached


The Corning 6795-420D PC-420D Stirring Hot Plate is undoubtedly an outstanding addition to any laboratory setting. It stands out with its precise temperature control, efficient stirring capability, and durable build quality. While it comes at a higher price point, the investment is justified by the excellent performance and added safety features it offers. If you are looking for a reliable hot plate that delivers consistent results, this product certainly deserves consideration.

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