Stirrer and Hot Plate Selection Guide
An Easy Selection Guide for Laboratory Hot Plate
1. Pick your Application:
- Bench Top Heating: Hot Plates available in 4 sizes including new digital units with LED temperature displays.
- Benchtop Stirring: Single position stirrers available in 5 sizes including new digital units with LED stirring speed displays.
- Combined Stirring and Heating: Single position stirring hot plates available in 3 sizes including new digital units with LED stirring speed and temperature displays.
- Slow Speed Stirring: Single position and 4-position stirrers are ideal for use with Corning glass and plastic spinner flasks.
- Multi-Position Stirring: A choice of 4-, 5-, or 9-position stirrers with glass filled plastic resin cases.
- Accessories: Corning offers a variety of accessories for hot plates, stirrers, and stirring hot plates to make using these products easier.
2. Pick the Right Size and Capacity:
Corning offers units as Small as 3" in Diameter to Large 11" x 11" Square Units Capable of Stirring Large Volumes.
3. Pick the Top Plate Material:
What Will Best Meet the Conditions You Have in Your Lab? (See Table 1)
Table 1. Match the Top Plate Material to Best Meet Your Needs.
| Top Plate Materials: | Pyroceram Glass-Ceramic | Enameled Stainless Steel | Plastic |
|---|---|---|---|
| Chemical Resistance | Highly Resistant to Chemical Attack | Good | Limited |
| Maximum Temperature | Up to 550°C | Up to 360°C | Stirring only |
| Durability | Highly Scratch Resistant and Easy to Clean | Susceptible to Chipping and Scratching | Limited |
| Other | Best Choice for Busy Labs | Fast Heat Up and Cool Down Rates | Lowest Cost |
4. Pick your Options:
Some Hot Plates, Stirrers and Stirring Hot Plates are available with LED Digital Displays for Temperature and/or Stirring Speed.
5. Pick your Electrical Power Requirements:
Corning Offers Most Units with Either:
- 120V/60Hz (North America)
- 230V/50Hz (Most of Europe, Latin America, Africa and Asia-Pacific)
- 100V/60Hz (Japan)
6. Pick your Accessories:
Corning offers Temperature Controllers, Stainless Steel Support Rods, Stir Bars and even a convenient to use Stir Bar Retriever.
Sources:
Information courtesy of CORNING
Corning combined the unique Pyroceram® glass-ceramic tops with rugged bodies and heating elements in 1964 to come up with the best recognized hot plates and stirrers in the industry. These Pyroceram® tops were literally a space age material developed for missile nosecones. Today there are many more products with the white Pyroceram® tops with more robust electronic controls and even digital LED displays.
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