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July 22, 2025
It’s slow to get to the set Temp but it is amazing once it does. I tried putting the probe In the vapour phase during a distillation and it actually managed to hold the vapour temp exactly at 78 or 79 as I wished when distilling ethanol. More amazing, once there was no more ethanol, it still managed to keep at that temp despite no 78 degree BP liquid which means it kept the water vapour front a millimetre below the probe! You can use without the prob but just stick it anywhere and use the temp control to adjust it. There is a A C and L control when holding down the set button but no manual explaining what that does! Worth the money
3DPlastica
June 7, 2025
stir bar stopped working after 4 or 5 uses, bought a 10$ 5 pack which work great
Chris
May 7, 2025
No flask, just the unit. Super frustrating.
Samuel
March 14, 2025
Seems to function well enough. I like the digital temp adjustment. It would be nice to have an idea of the rpm of the spin bar, but not necessary. Really that's the big downside so far. Also not being able to use the heat at all without the probe could render it useless easily enough. Maybe have an option to use without temp probe. It heats up fairly quickly though, compared to some others I've used. To adjust the temp you have to scroll up and down by single digits, which is slightly tedious. It's absolutely great for the price though. Wish the thermo probe was more readily available for replacements. Almost all the mantle/probe and 2 neck flasks are flawed the same way. The probe ports are angled in such a way that causes it to go straight in to contact the spin bar when fully submerged. Making it very difficult to run batches to completion. I usually just bend mine a skoach to get it past the spin bar. Which is great until you need to use a glass thermowell (you can't just bend them without proper experience). Joanlab actually sent me a replacement for free! Very cool of them. I wish they made the 500ml mantle just the same.
chris
March 10, 2025
The JOANLAB Electric Heating Mantle with Magnetic Stirrer and Digital Temperature Control is a reliable and efficient lab tool. The digital temperature control ensures accurate results, while the magnetic stirrer maintains consistent stirring. It heats evenly and quickly. Highly recommended!
JC
February 18, 2025
snel geleverd, zeer tevreden
JB
January 31, 2025
This is the second product from this seller of the same item (one was the 500mL, this one the 1000mL) - both have had the mag stirrer fail after a couple of uses that didn't even exceed 130°C. The mag stirrer is an integral part of the heating mantle.
David T. Klein
January 18, 2025
Easy to setup. Works well. Heats very evenly, even if not quite as quickly as one might like.I’ve used in one synthetic experiment and it worked great.
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