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magnetic stirrer with 300w hot plate magnetic stirrer with 300w hot plate

Item Description

85-2 Magnetic Stirrer

Hot Plate with Digital Temperature Display

by Duda Energy

 

Magnetic stirrers employ magnetic fields to cause a stir bar immersed in a liquid to spin very quickly, thus stirring it. These magnetic stirrers are often used in laboratories for mixing of liquids at an even speed.

This model is widely used in universities, environmental protection, scientific researching, chemical industry, hygiene and disease controlling, medical treatment etc.

This model has a digital temperature display and thermostatic control, thus making it more convenient to use in heat sensitive applications.

85-2 Magnetic Stirrer Specifications
Input Power
120v AC
Temperature Reading Units
Fahrenheit (°F)
Rotating Speed
0-2000 rpm stepless speed governing
Hot Plate Material
Aluminum Alloy
Plate Thickness
1mm
Motor Power
10 watts
Heating Power
300 watts
Temperature controlling scope
RT-100c
Temperature Probe Material
304 Stainless Steel
Maximum Working Temperature
212°F
Temperature Controlling Precision
+/-2°C (+/-3.6°F)
Temperature Controlling Method
Digital display
Max mixing capacity
1 Liter

Method of Application:

Plug in the power supply. Pour the liquid to be tested into a beaker and then place the beaker on the heating plate. Put the stir bar and temperature sensor into the middle of the beaker. Turn on the power switch and the heating switch. Set the temperature according to the specific application and adjust the motor rotating speed.

Use in Biodiesel
Magnetic stirrers are great for stirring during a titration. While the stirrer does the mixing, a user can determine a more accurate titration by mixing the chemicals in a more even and controlled manner. The consistent rate of stirring can easily be achieved with the stirrer for concentration on the titration process itself and addition of catalyst solutions.
Magnetic stirrers may also be used for biodiesel test batches. The larger stir bars can easily create a good amount of agitation for the biodiesel process.

Stir Bar Sizing

The size of the stir bar to be used depends on the individual application. Keep in mind that a larger stir bar is not necessarily better. Larger stir bars have lower maximum spinning speeds. When the speed of a stir bar is too much for its size, it will jump around and skip inside of the beaker. Slippery and viscous liquids such as oils will also cause this to happen faster than non-slippery fluids like water.

If the container which holds the working fluid is rounded, it is recommended to use a stir bar with a pivot ring to help aid the spinning. Pivot rings also eliminate friction loss in flat bottom containers but they may also be a little noisy from rattling. If the container is very round, it is best to use an oval stir bar.

 

magnetic stirrer with 300w hot plate
85-2 Magnetic Stirrer with Hot Plate
• Digital Thermostat with 300w Hot Plate, Includes 25mm Stir Bar
• Measures in Celsius, Max 212°F +/- 3.6°F Accuracy
• 0-2000 rpm stepless speed governing
QTY
$Ea.
1+
169.95
In stock
QTY
Average Rating: 10.00/10

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Customer Reviews:
Customer: Don
2013-12-06

Rating: 10/10
Pros: Works well
Cons: Did anyone think that we might need instructions on how to set it up!!!!!?
Other: None

Customer: Crane Co.
2012-04-16

Rating: 10/10
Pros: None
Cons: Controller does not conver to F. Controller only reads to 99.9 C Online store does not break identify controller capabilities Online store does not specify max temp.
Other: None


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