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Corning 6795-420D PC-420D Stirring Hot Plate with Digital Display and 5" x 7" Pyroceram Top, 5 to 550 Degree C, 120V/60Hz

4.3 out of 5 stars 11 customer reviews
| 7 answered questions

Price: $365.08 & FREE Shipping. Details
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Specifications for this item
Brand Name Corning
Part Number 6795-420D
Material Type Pyroceram Glass-Ceramic
Number of Items 1
Item Weight 7.05 pounds
Maximum Stirring Speed 1150  RPM
Overall Height 11  inches
Overall Length 7.75  inches
Overall Width 4.25  inches
Size 5" Length x 7" Width Pyroceram Top, Temperature Range 5°C To 550°C, Stirring
Specification Met certified frustration-free
Temperature Range +5/550  Degrees Celsius
UNSPSC Code 41102406
Volume 0.02  milliliters

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Frequently Bought Together

  • Corning 6795-420D PC-420D Stirring Hot Plate with Digital Display and 5" x 7" Pyroceram Top, 5 to 550 Degree C, 120V/60Hz
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Product Features

  • Hotplate has U.S. three-prong plug, and works with 120V/60Hz power source
  • Digital LED display of stirring speed in revolutions per minute (rpm) or temperature (degrees C), and an illuminated power indicator; temperature display blinks until set temperature is reached
  • Glass-ceramic plate surface for scratch, corrosion, and chemical resistance, and cleaning ability; part of two-piece casting design that deflects spills away from electrical area, and includes built-in rod mount support
  • Comes in a variety of stirring speeds (+ or - 5% of set speed), and sizes, and can come with a stirrer apparatus
  • Microprocessor maintains consistent and repeatable temperature settings of 5 to 550 degrees C (+ or - 2 degrees C), adjustable in 5-degree C increments, with flashing indicator that blinks until set temperature is reached

Product Description

The Corning hotplate 6795-PC series has LED digital display of speed (rpm), or temperature, and a glass-ceramic plate surface, a microprocessor-based temperature control, a three-prong plug, and works with a 120V/60Hz power source. This hotplate is used by researchers, professionals, and hobbyists to heat a variety of liquids and solutions in chemistry, food and beverage, biology, lab, and home applications.

This Corning hotplate has LED, digital display of stirring speed in revolutions per minute (rpm) or temperature (degrees C), and an illuminated power indicator. Temperature display blinks until set temperature is reached. A glass-ceramic plate surface is scratch, corrosion, and chemical resistant, and has good cleaning ability. Its two-piece casting design deflects spills away from the electrical area, and includes a built-in rod mount support. The 6795-PD series comes in a variety of stirring speeds (+ or - 5% of set speed), and sizes, and can come with a in a stirrer apparatus. A microprocessor maintains consistent and repeatable temperature settings of 5 to 550 degrees C (+ or - 2 degrees C), adjustable in 5-degree C increments, with a flashing indicator that blinks until a set temperature is reached. The device can work with a temperature controller and support rod (sold separately). The PC-600 series meets European Standards (EN), and has a two-year warranty.

Researchers, professionals and hobbyists use hot plates to heat a variety of liquids and solutions in chemistry, food and beverage, biology, lab, and home applications. Hotplates can have either a digital or an analog display, and can show temperature range, or stirring speed. Hot plate surfaces are commonly made of ceramic-glass, or stainless steel and have coatings such as porcelain. They come in a variety of dimensions. Some units can work with stirrers that can be supported with clamps and rods.

Corning Incorporated manufactures consumable glass, ceramics, and plastic laboratory tools for life science research, industrial, and educational applications. Founded in 1908, Corning Inc. is headquartered in New York, NY and makes ISO-certified products.


Product Details

  • Item Weight: 7 pounds
  • Shipping Weight: 8.4 pounds (View shipping rates and policies)
  • ASIN: B004DGIC0W
  • Item model number: S5661-1
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (11 customer reviews)
  • Amazon Best Sellers Rank: #22,168 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
This is a very nice unit. It seems heavy and well-built. I love the Pyroceram top. Mine is currently being used with the external temperature sensor. The unit is a little slow to bring solutions up to temperature ( ie: 100 ml oil in 250 ml Pyrex beaker, heating from 20 degrees C to 105 degrees C takes ~ 25 minutes ). However, once at temperature, it seems to do a good job of maintaining the set temperature. The temperature setting readout blinks whenever the temperature of the solution ( when using the external sensor ) isn't at the temperature specified, and stops blinking when the solution temperature is within range of that set temperature. It would be nice if the readout indicated the current temperature in some way, rather than just the set temperature and an indication that you aren't at that temperature. I would love it if Corning could update the software to make this happen. That is the only reason for the 4 star rating rather than 5 stars. Also, the stirring mechanism is smooth and silent.
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Overall the hot place is usable. Thats pretty much it, spin bar is too slow to start up so magnet has hard time sticking at higher speeds. Hot plate is slow to heat up slowing down production time in our compounding lab. Wouldn't buy another one.
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Verified Purchase
Pro: Good hotplate/seems to work as expected, may change review to a 3 after more use.

Con: Rather bad packaging. It came in a cardboard box with no other padding besides a bit more cardboard, which seemed fine to me. However, all of the contents were covered in a dust like stuff (cardboard filings?). When i eventually turned it on, I did not wipe it down much, so the dust burned and smelled terrible.

By far the worst bit was that the power cord's plug was bent badly, and although i could bend it back into shape, it annoyed me.
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Verified Purchase
Powerfull, accurate, sturdy, and can be improved by acquiring the sensor. Have had this brand for more than 20 yrs. Best model yet
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Verified Purchase
GREAT hotplate/stirrer if kept under 2000mL reaction volume. After that, go cheaper hotplate and overhead stir. Just my .02. Would recommend.
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Verified Purchase
Perfect size and solid feel. Works great and couldn't ask for anything more other than the temp probe but that's kind of pricey so well see.
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