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Apera Instruments AI2801 Powerful Magnetic Lab Stirrer / Stir Plate, Speed Range: 0-2300 rpm, Max Stirring Capacity: 3000ml
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Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
- An economical choice of a reliable and durable magnetic stirrer
- Ideal for home brew yeast starters
- Small, yet powerful stirring ability with a Max. 3000ml stirring capacity
- Smooth speed control (0-2300 rpm)
- Two-Year
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Product details
- Product Dimensions : 4.7 x 4.7 x 1.9 inches; 15 ounces
- Item model number : AI2801
- Date First Available : May 2, 2016
- Manufacturer : Apera Instruments
- ASIN : B01F34Y7VK
- Country of Origin : China
- Best Sellers Rank: #80,517 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- #67 in Lab Stirrers
- Customer Reviews:
Product Description
The Apera Instruments 801 Magnetic Stirrer features a reliable design and a powerful stirring ability. It comes with two magnetic stir bars (25mm and 30mm). The speed range is 0-2300 rpm. Working diameter: ø120 mm. Maximum stirring volume: 3000 ml (0.8 gallons). Powered by DC9V power adaptor. Ideal for laboratory use and home beer brewing. Not suitable for highly viscous solutions. Glass beakers are not included.
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From the manufacturer
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Stirring speed up to 2300 rpm |
Built for containers of different sizes |
Anti-slip silicone cap for safety |
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Small size – saving work space for you |
Silk-smooth speed control |
No noise – quite operation overnight |
What's in the box?
- 801 Magnetic Stirrer
- Power adaptor
- Anti-slip silicone cap
- Three stir beads (small, medium, large)
- Beakers are not included
Technical Specifications
- Speed range: 0-2300 rpm
- Diameter for working area: Ф120 mm.
- Max. Stirring capacity: 3 liters
- Stir bead sizes: 30 mm, 35 mm, 45 mm
- Power adaptor: Input: AC100-240V 50/60Hz; Output: DC9V–1A.
- Dimension& weight: Ф120 x 49mm/500 g.
- CE certified.
What's in the box
Videos
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Customer Review: Great Step Up From Cheaper Options
Geoff
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Customer Review: Stirrer works just fine
Anthony Rogers
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Customer Review: Sturdy and cost effective stirrer
Allen Cronce
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Customer Review: Powerful magnetic stir bar mixer!
NeutronElf
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the quality, value, sturdiness, adjustability, and power of the magnetic stirrer. They mention that it works quite well, it's good value for money, and the teflon-coated stir bars are reliable. The speed control is smooth and responsive, and it allows for very fine tuning of the speed. Customers also appreciate the power to stir yeast starters and viscous liquids.
AI-generated from the text of customer reviews
Customers like the quality of the lab supply. They say it works well, is easy to set up, and hasn't caused any issues. Customers also appreciate the teflon-coated stir bars and say the plate is great for labs. They also say it's easy to keep clean and keeps the solution agitated.
"...but it doesn't affect the stirring capabilities, and it hasn't caused any issues. Also, the company itself is awesome and delivered as promised...." Read more
"...requirements and revealed itself to be a superbly designed and finished instrument...." Read more
"...For basic stirring requirements you have this unit works really well without breaking the bank, and it doesn't feel like a little toy bereft of heft..." Read more
"...There are only a few things I'd change if I designed it but it's totally functional and for the price compared to other commercial stirrers, you ca..." Read more
Customers appreciate the value of the lab supply. They mention that it is good value for money and the non-slip top is essential to hold yeast starter flask.
"...to any brewer out there looking to replace a DIY project for a fairly priced, quality made stir plate. A+..." Read more
"Excellent value for the production quality. Very powerful. Makes blending phosphates in to marinades very easy." Read more
"...so if you're considering this is recommend going for it -- it's well worth the money!" Read more
"...Thank you Apera and happy reefing to all my reefers this a well worth investment and a must if you have a reef tank for all your supplements..." Read more
Customers like the sturdiness of the lab supply. They mention that it feels like a very sturdy unit, is dependable, and safe. They are impressed with the quality of the manufacture and the materials used in its construction, and are satisfied with not only the 100% integrity of the capsules, but also how quietly the product works.
"...Consistent, dependable, and safe operation, even if inadvertently left running for hours.*..." Read more
"...day and night - a totally unexpected, quality piece of merchandise, well built, hefty, with a nice non-skid cover and a strong magnet that suffices..." Read more
"The product feels sturdy. It works well with the included stir bars. I use it for thin liquids. the control is fine enough for my purposed...." Read more
"...Build quality: OK, feels really cheap, only one week into use, and it stirs, but not really very well balanced and wobbles quite a bit...." Read more
Customers like the adjustability of the lab supply. They mention that the speed control is smooth and linear, making it easy to control. The knob used to adjust the speed isn't too tight or loose, making the control easy to make. Customers say that the control allows very very fine tuning from an extremely light stir to a vigorous vortex. They say the control is fine enough for their purposes and that the unit is perfect sized for 1L and even 2L flasks.
"...The rheostat is very responsive, and very powerful...." Read more
"...The knob used to adjust the speed isn't too tight or loose, making it easy to adjust...." Read more
"...The speed control was very responsive at small increments...." Read more
"...I use it for thin liquids. the control is fine enough for my purposed. I'm trying to prevent cavitation...." Read more
Customers like the power of the magnetic stirrer. They mention that it's pretty powerful, does not get hot, and has enough power to stir yeast starters, viscous liquids, and homogeneous formulas with speed and without any issues. The sturdy design along with its stirring capacity are apparent, and it works great for their purposes. Overall, customers are happy with the power and durability of the product.
"...UPDATE: its been almost a year, and the stir plate is still going strong! Never throws a bar, has been left on for days on end with no issues...." Read more
"...Powerful enough to mix at least 1L of homogeneous formula with speed and without bubbles...." Read more
"...everywhere for a small magnetic stirrer that's powerful enough for viscous liquids without costing hundreds and hundreds of dollars...." Read more
"...in November 2018, and last night (April 6-7, 2020) the speed control stopped working (so it will only spin at maximum speed)...." Read more
Customers like the size of the stirrer. They say it has a small footprint and is portable and lightweight. Customers also say that it works wonderfully and is the perfect size for their needs.
"...A few observations:* Very compact, short, stable, and easily moved around since it runs on low voltage from a wall adapter.*..." Read more
"...One of the things I really like about this stirrer is its small footprint, it's absolutely perfect if you are looking for something to have "out" or..." Read more
"...It's portable and lightweight so you can easily store it when you're done using it. Plug supports 220v which is rare on electronics sold on Amazon...." Read more
"I loved this little setup. Perfect size for what I needed and worked wonderfully...." Read more
Customers like the noise level of the kitchen supply. They mention that it is extremely quiet, takes up little space on their kitchen counter, and does not produce much noise.
"...Whisper silent and cold to the touch. Can spin tiny to large bars.*..." Read more
"...2. Rubber feet prevent it from noisily rattling on my counter top. It's silent.3. Light weight but doesn't feel cheep...." Read more
"...Sits evenly and runs almost silently. Came with three stir bars and a silicone cover." Read more
"Easy to use and they work really well. Also it’s very quiet. The feel well made ." Read more
Customers like the magnetic strength of the lab supply. They mention that it's an awesome magnetic stirrer, comes with two magnetic rods, and has a very strong magnetic connection that works through thick glass beakers and jars.
"...merchandise, well built, hefty, with a nice non-skid cover and a strong magnet that suffices with larger volumes of solution...." Read more
"...The magnetic stirring mechanism is powerful enough to stir a 2L starter with ease...." Read more
"It works perfectly and love the different sized magnets, BUT after 2 weeks of use it makes an awful noise...." Read more
"...First thing I notices was the strength of the magnet. Very powerful and locked the stir bar into place very fast...." Read more
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UPDATE: its been almost a year, and the stir plate is still going strong! Never throws a bar, has been left on for days on end with no issues. The small size is still a little concerning, but it doesn't affect the stirring capabilities, and it hasn't caused any issues. Also, the company itself is awesome and delivered as promised. I would totally buy this product again if I needed a second one!
Reviewed in the United States on January 7, 2017
UPDATE: its been almost a year, and the stir plate is still going strong! Never throws a bar, has been left on for days on end with no issues. The small size is still a little concerning, but it doesn't affect the stirring capabilities, and it hasn't caused any issues. Also, the company itself is awesome and delivered as promised. I would totally buy this product again if I needed a second one!
* Materials and build quality characteristic of something for a commercial kitchen.
* Consistent, dependable, and safe operation, even if inadvertently left running for hours.
* Powerful enough to mix at least 1L of homogeneous formula with speed and without bubbles.
After looking through hundreds of alternative stirrers, I chose this one. When it arrived, it laughed at my requirements and revealed itself to be a superbly designed and finished instrument. Within a week I'd concluded that if my stirrer were to go missing after the price had doubled, I wouldn't bat an eye at purchasing a replacement.
A few observations:
* Very compact, short, stable, and easily moved around since it runs on low voltage from a wall adapter.
* No smell, no steel casing to rust, and no paint to flake. Looks like it could survive significant splatter and spills, even from adjacent sources.
* Whisper silent and cold to the touch. Can spin tiny to large bars.
* The plastic body and surface are so thick that it can doubtlessly support the weight of far more solution than it could hope to stir.
Now the room for improvement: despite the plastic surface being textured, a decent bump can still dislodge glassware somewhat easily. There is a small mount on the back to support a thin threaded rod that could presumably be used somehow to secure a vessel in place, yet it'd be nice if a thin anti-slip mat/sheet/cover was provided to keep things in place. I currently use shelf liner for this purpose, and while it works, it's thicker than needed, it probably has poor chemical resistance, and it sometimes sticks to the glassware.
It is simplistic in its design, just an on/off toggle switch and a basic dial which is all I need. I bring the solution up to speed with either one inch or two inch bars, set it, and forget it. I don't have to worry about hearing the bar clanging up against the walls of the beaker and hopping around five minutes later. For basic stirring requirements you have this unit works really well without breaking the bank, and it doesn't feel like a little toy bereft of heft and although I've only had it for about a week now, feel confident that this stirring plate will serve me well into the future.
I'm going to purchase another one of these two in about a month so I can have more than just one culture going at a time and when I do? I'm going to throw the other one out in the trash.