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FOUR E'S SCIENTIFIC

FOUR E'S SCIENTIFIC 280℃/536°F 5 inch Digital Hotplate Magnetic Stirrer Hot Plate Ceramic Coated | 100-1500rpm | 5L | 110V Support Stand Stir Bar Retriever Temp Probe Sensor Stir Bars Included

    • Based on 343 reviews
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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon
Arrives Sunday, May 12
Order within 21 hours and 9 minutes
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Style: Magntic Stirrer with Stand & Bar Retriever


Features

  • Accuracy & Fast Heating Magnetic Stirrer Hot Plate: Accurate Temperature of 0. 5C. Equip with internal temperature sensor and PT1000 temperature probe, LED automatically alternate alternates between the set speed and actual speed during operation. Max Temp: 536F. with a ceramic coating provides perfect thermal conductivity, even heat disbursement and fast cooling down
  • Powerful Stirring Performance: Max 5L stirring capacity and wide speed range 50-1500rpm satisfy different liquids density or project needs. Stirring and heating can function individually. Temp probe holder, stir bar retriever included
  • High Safety Equipment: Built-in PID controller ensures safe heating of the medium with overheating protection. Safety temperature of 50-320C provides over-temperature protection. Enclosed heating plate design reduces the risk of liquid splashing into the equipment
  • Long-lasting equipment: Brush DC motor is maintenance free and ensure long life time. This scientific hot plate can continually runs for 168 hours (7 days). Widly used in the laboratory, classroom, workshop or home. Such as home brewing, wine-making, yeast mixing, e-juice, home chemistry, aromatherapy, essential oils and more
  • Freedom from Error & 3 Years Warranty: Each lab magnetic hot plate stirrer is quality inspected, and can be easily contact with seller if any after-sale issues. Detailed instructions and precautions booklet provided in the package

Package Dimensions ‏ : ‎ 14.72 x 11.73 x 7.48 inches; 7.22 Pounds


Date First Available ‏ : ‎ September 12, 2022


Manufacturer ‏ : ‎ 4E's Scientific


Best Sellers Rank: #43,534 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #33 in Lab Stirrers


#33 in Lab Stirrers:


Customer Reviews: 4.4 4.4 out of 5 stars 343 ratings


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If you place your order now, the estimated arrival date for this product is: Sunday, May 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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Top Amazon Reviews

    • Well it is pretty
Style: Magntic Stirrer
Looks nice but heating is underpowered. I saw this had a 600 watt heating element, and after testing it with a kill-a-watt it does consume close to 600 watts of power, but the issue is the element will only stay on full power for less than 30 seconds, then only runs at a less than 50% duty cycle. I tried using both the included temperature probe and the built in probe that measures the hotplate temp. Even when set to 280C using the probe, it starts out right at a 50% duty cycle(about 1 second on, then 1 second off). When using the internal temp sensor, the heater come on full power for about 30 seconds until the plate hits 280C, then keeps it there. That behavior is expected and this is a very good hotplate for keeping liquids under 95C. My old hotplate was one of those SH-3 models, and it only had 500 watts of heating, but at least when set to full power, you would get a continuous 500 watts output. It would be nice if this hotplate could be operated in PWM mode, where you can just set power output from 0 to 100% or PID mode where it trys to keep a set temp. Though whats the point of setting something to 150C when it will NEVER reach that temp. Right now I have an aqueous solution of copper nitrate and using the external temp probe set to 280c, it only gets up to 92C after over an hour. Also its less than 200 mL. I also tried connecting it to a PC via the USB port. It comes up as a CH340 serial controller, but can't find any software to use with it. I tried poking it with procomm to see if any data was being sent over serial, but nothing. If the port can't be used for anything, why not cover it or not even install it? I did not find any info in the instruction manual either. If you need/want temp control, then this is good for that, but if like me you want to have more heating capacity, go with an SH-3, its half the price and you can at least boil 1 liter of water easily with it. ... show more
Reviewed in the United States on June 17, 2023 by Gary Carone
    • Does what it should + Great customer service
Style: Magntic Stirrer
For the price, the stirring is a bit weak and the heat output is a bit disappointing, but its temperature control is nothing to complain about. If you need a lot of heat or very strong stirring look elsewhere but if you just need to hold something a certain temperature and swirl it a bit this should be perfect. Apparently the stirring goes up to 1500 rpm but I wouldn't know anything about that because all my stir bars lose their minds above 700. Update: About a week after posting this review I was personally contacted by the seller, saying they've asked their engineers to look into improving things and to offer me a full refund or replacement. I've gone with the refund and must say, very impressive customer service. This review was originally 3/5 stars but now that I know the company is solid I will definitely be getting the 7" hot plate/stirrer model as I just wasn't quite able to push this one far enough to meet my needs. To sum up, the heat and stirring are a tab underpowered, but the temperature regulation functions great and I've discovered the customer service is top tier. ... show more
Reviewed in the United States on February 21, 2023 by Jack P.
    • It actually does get to 500 C
I got this for final curing of high temperature composites for materials engineering grad school so I could just do it in my garage instead of going in to the lab. Ran it up to 450 C and then 500 C with no problems except the finish on the plate oxidizing and chipping off, but that's just cosmetic and probably due to me putting preceramic resins directly on it, so take that with a grain of salt. The heating rate can get really anemic with ventilation if your part is too big and it will have a little trouble maintaining high temperature without something to help insulate it. Solved that with using a few plies of silica welding mat for insulation. Alumina crucibles worked perfect for this too. With insulation, temperature control was rock steady. The temperature probe is accurate (read within 1 to 2 C of all my K type thermocouples). Mixer works great, been using it for dispersing additives in high viscosity resin. Excellent value for the money, well worth it considering how much cheaper it is than the next alternative and that it runs off 120v without too much current draw. ... show more
Reviewed in the United States on February 15, 2023 by Colin
    • Heats and stirs thick liquids like a champ!
Style: Magntic Stirrer
Like most of the sciences, observation and comparing against known data (or expectation if you have no reliable data) is key when evaluating equipment (everything?). I have a centrifuge that I almost returned because it sits at around 20 RPM for almost a minute before ramping up to the programmed speed. Turns out it needs to get a bearing to optimal temperature before spinning things into oblivion, as I need it to do. This device is similar... I've used the hotplate portion of it only a couple times, and only up to 160C for about an hour. No problems there. Would have been nice if they had included the stand for the probe, but I've got stands galore so not really a loss; but if you're buying one of these you're either a veteran in the lab or you're just starting and on a tight budget...so it's fair to say a non-trivial portion of your purchasing demographic could use the stand to make sure that set temperature is accurate. The stirring takes some getting used to. It starts off with a fairly aggressive torque curve at first and tapers off pretty quickly. That's not unusual for magnetic stirrers, but this one is a little more gradual than I'm accustomed to. That said, with a little prep and a small tweak to work flow, I've stirred content which cools to the consistency of heavy whipping cream at 800 RPM for hours at a time while the precipitate cooled. It takes a little bit to get there, but I appreciate that it does get there and it holds its rotational speed quite well. ... show more
Reviewed in the United States on February 17, 2022 by Sean
    • It works great
Style: Magntic Stirrer with Stand
It works great, I am assuming that it is accurate, but I have not tested it with a standard thermometer to verify, but when I set it to 95°C with water, it starts evaporating a lot more, but not boiling, so it seems pretty good.
Reviewed in the United States on April 18, 2023 by CHS

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