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Article 1 - 24 from 280
New
Magnetic stirrer, operated by water/air pressure
 
Magnetic stirrer, operated by water/air pressure
Colour housing: Grey | Dimensions (ØxH): 129 x 61 mm | Height: 61 mm | Manufacturer Article Number: 0020300 | Material housing: ABS | Material stirring surface: PP | No. of stirring positions: 1 | UNSPSC: 41103806 | With timer: No | Ø: 129 mm
PP-ABS construction. This unique stirrer is operated either by water pressure between 1 kg/cm² and 2.5 kg/cm² (15 psi to 40 psi) or by air pressure. No electrical supply is needed, thus eliminating heat, electric shock and explosion hazards. Corrosion-proof, all-plastic construction. Can be used on the bench or clamped to a stand with a 12 mm (½'') diameter rod using the integral bosshead.
€147.90*
Magnetic stirring bars, oval, PTFE
 
Magnetic stirring bars, oval, PTFE
Form magnetic stirring bars: Elliptical shape | Length: 20 mm | Manufacturer Article Number: C 358-02 | Material sheathing: PTFE | UNSPSC: 41122401 | Ø: 10 mm
Encapsulated in PTFE. Oval. Ideal for round bottom flasks.
From €5.06*
Variations
New
Magnetic stirring bars, PTFE, cylindrical
 
Magnetic stirring bars, PTFE, cylindrical
Form magnetic stirring bars: Cylindrical | Length: 108 mm | Manufacturer Article Number: 137155 | Material sheathing: PTFE | UNSPSC: 41122401 | Ø: 27 mm
PTFE-coated. Cylindrical. Round, smooth surface. Versatile. Autoclavable. Further sizes available on request.
Variants from €3.44*
€97.10*
Magnetic stirring bar restrainer Spinbar®
 
Magnetic stirring bar restrainer Spinbar®
Description: Magnetic stirring bar restrainer | Manufacturer Article Number: F37786-1000 | Type: Magnetic stirring bar restrainer
For magnetic stirring bars up to 80mm long.
€45.10*
Stirring bars Spinbar®, octagon
 
Stirring bars Spinbar®, octagon
Form magnetic stirring bars: Octogonal | Length: 25 mm | Manufacturer Article Number: F37110-2508 | Material sheathing: PTFE | UNSPSC: 41122401 | Ø: 8 mm
Multi-faceted shape provides greater surface area and added turbulence for more vigorous, thorough mixing when compared to the smooth surface of cylindrical bars.With pivot ring for better mixing conditionsAlnico magnet encapsulated with Teflon® brand PTFE coatingFDA Grade, USP Class VIGood chemical compatibilityAutoclavableManufactured in a registered ISO 9001:2015 facility
€106.30*
Magnetic stirring bar, octagonal, PTFE
 
Magnetic stirring bar, octagonal, PTFE
Form magnetic stirring bars: Octogonal | Length: 12.7 mm | Manufacturer Article Number: F37110-1238 | Material sheathing: PTFE | UNSPSC: 41122401 | Ø: 9.5 mm
Interrupted profile provides greater surface area and added turbulence when compared to the smooth surface of cylindrical barsPivot ring aids in reducing friction and chatteringPTFE encapsulated Alnico magnetAutoclavable
Variants from €13.00*
From €20.40*
on request
New
Magnetic Induction Stirrer
 
Magnetic Induction Stirrer
Colour housing: Grey/purple | Depth: 245 mm | Dimensions (WxDxH): 195 x 245 x 75 mm | Display: Digital | Height: 75 mm | Manufacturer Article Number: HS120584 | Material housing: ABS | Material stirring surface: ABS | Max. permitted ambient temperature: 40 °C | Max. relative humidity rate: 90 % | Max. speed: 2000 1/min | Max. stirring capacity: 3 l | Max. voltage: 240 V | Min. permitted ambient temperature: 2 °C | Min. speed: 10 1/min | Min. voltage: 100 V | No. of stirring positions: 1 | Permitted ambient temperature: 2 ... 40 °C | Plug type: EU/UK/US/AUS | Power supply: 100 ... 240 V, 50/60 Hz | Power supply frequency: 50/60 Hz | Speed: 10 ... 2,000 1/min | Type of auxiliary energy: Mains connection | UNSPSC: 41103806 | Warranty: 5 years | Weight: 1130 g | Width: 195 mm | With timer: Yes | Working area Ø: 160 mm
Easy-to-read digital display precisely controls time and speed enabling reproducible conditionsTimer from 30 s to 60 min or continuous in stirrer mode or programmable in oscillation mode with 50% duty up to 99 cyclesTime and speed can be conveniently adjusted while the unit is runningReverse rotation option for better mixing resultsSpeed remains constant, even when load changesRapid acceleration and braking in less than 10 secondsScope of delivery: Magnetic Induction Stirrer incl. 2 cylindrical stirring bars (12 x 35 mm) and power adapter
€748.44*
Magnetic Stirring Bar Spinbar® Micro Flea
 
Magnetic Stirring Bar Spinbar® Micro Flea
Length: 10 mm | Manufacturer Article Number: F37119-0010 | Material sheathing: PTFE | UNSPSC: 41122401 | Ø: 3 mm
Designed for small volume mixing in vessels such as vials and tubes. Particularly useful for environmental testing and life science applications in which small sample volumes need to be prepared and evaluatedAlnico magnet encapsulated with Teflon® brand PTFE coatingFDA Grade, USP Class VIGood chemical compatibilityAutoclavableManufactured in a registered ISO 9001:2015 facility
Variants from €13.69*
From €17.20*
Variations
New
Magnetic stirrer Mini
 
Magnetic stirrer Mini
Colour housing: Grey/purple | Depth: 183 mm | Dimensions (WxDxH): 132 x 183 x 47 mm | Display: Analogue | Height: 47 mm | Manufacturer Article Number: HS120155 | Material housing: ABS/PC | Material stirring surface: ABS/PC | Max. permitted ambient temperature: 40 °C | Max. relative humidity rate: 90 % | Max. speed: 2200 1/min | Max. stirring capacity: 3 l | Max. voltage: 12 V·DC | Min. permitted ambient temperature: 2 °C | Min. speed: 200 1/min | No. of stirring positions: 1 | Permitted ambient temperature: 2 ... 40 °C | Plug type: EU/UK/US/AUS | Power supply: 12 V·DC | Speed: 200 ... 2,200 1/min | Type: Mini Stirrer | Type of auxiliary energy: Mains connection | UNSPSC: 41103806 | Warranty: 5 years | Weight: 447 g | Width: 132 mm | With timer: No | Working area Ø: 120 mm
Economical solution made for ultimate function with optimal magnetic coupling to ensure dependable stirring efficiency.Chemical resistant housingEasy to cleanLightweight low-profile design with small footprintQuiet operation (53 dB) with low vibrationScope of supply: Mini Stirrer, 2 octagonal stirring bars (9 x 35 mm) and power adapter
€240.45*
Magnetic Stirring Bars, Cylindrical, PTFE
 
Magnetic Stirring Bars, Cylindrical, PTFE
Form magnetic stirring bars: Cylindrical | Length: 70 mm | Manufacturer Article Number: C 354-35 | Material sheathing: PTFE | Max. temperature resistance: 250 °C | Min. temperature resistance: -200 °C | UNSPSC: 41122401 | Ø: 9 mm
With pivot ring. PTFE-encapsulated magnetic core (Alnico 5). Universal chemical resistance. This shape provides a bigger surface area and a very steady spinning position with additional turbulences. Temperature resistant from -200 to +250 °C.
Variants from €7.49*
From €11.68*
Variations
Magnetic stirring bars, borosilicate glass
 
Magnetic stirring bars, borosilicate glass
Form magnetic stirring bars: Cylindrical | Length: 55 mm | Manufacturer Article Number: C 351-19 | Material sheathing: Borosilicate | Max. temperature resistance: 250 °C | Min. temperature resistance: -200 °C | UNSPSC: 41122401 | Ø: 8 mm
Magnetic core (Alnico 5) encapsulated in borosilicate glass, cylindrical shape, extremely smooth surface prevents from penetration of substances, non-porous, non-contaminating, universal chemical resistance. FDA conformity. Temperature resistance -200 bis +250 °C.
Variants from €13.50*
From €17.90*
Variations
New
Magnetic stirring bars, triangular, PTFE
 
Magnetic stirring bars, triangular, PTFE
Form magnetic stirring bars: Triangular | Height: 14 mm | Length: 40 mm | Manufacturer Article Number: 137817 ALT | Manufacturer Article Number: 137817 | Material sheathing: PTFE | UNSPSC: 41122401
Triangular. PTFE-coated. Wedge-shaped, ideal for dissolving solids and re-suspending sediments due to scraping action. Angular surface produces high turbulence, even at low stirring speeds.
From €14.49*
Variations
New
Magnetic stirring bars, cylindrical, PTFE
 
Magnetic stirring bars, cylindrical, PTFE
Form magnetic stirring bars: Cylindrical | Length: 60 mm | Manufacturer Article Number: C 350-31 | Material sheathing: PTFE | Max. temperature resistance: 250 °C | Min. temperature resistance: -200 °C | UNSPSC: 41122401 | Ø: 7 mm
PTFE-encapsulated magnetic core (Alnico 5), standard magnetic stirring bars, universal chemical resistance. Temperature resistance: from -200 to +250 °C. Cylindrical magnetic stirring bars offer excellent centering and smooth running characteristics.
Variants from €1.68*
From €8.84*
Variations
Magnetic Stirring Bar Spinbar® Polygon
 
Magnetic Stirring Bar Spinbar® Polygon
Form magnetic stirring bars: Polygonal | Length: 30 mm | Manufacturer Article Number: F37120-3008 | Material sheathing: PTFE | UNSPSC: 41122401 | Ø: 8 mm
Multi-faceted polygon shape with increased surface area creates added turbulence relative to similar sized, smooth cylindrical bars to provide thorough mixing.Alnico magnet encapsulated with Teflon® brand PTFE coatingFDA Grade, USP Class VIGood chemical compatibilityAutoclavableManufactured in a registered ISO 9001:2015 facility
Variants from €16.90*
€78.40*
Magnetic stirring bars Spinbar®, Giant Polygon
 
Magnetic stirring bars Spinbar®, Giant Polygon
Form magnetic stirring bars: Polygonal | Length: 108 mm | Manufacturer Article Number: F37118-0004 | Material sheathing: PTFE | UNSPSC: 41122401 | Ø: 27 mm
Heavy duty stirring bars for use in stirring large volumes of fluid. Will fit into vessels with a minimum neck diameter of 32 mm.Alnico magnet encapsulated with Teflon® brand PTFE coatingFDA Grade, USP Class VIGood chemical compatibilityAutoclavableManufactured in a registered ISO 9001:2015 facility
€280.50*
New
Magnetic stirring bars, PTFE, oval
 
Magnetic stirring bars, PTFE, oval
Form magnetic stirring bars: Elliptical shape | Length: 34 mm | Manufacturer Article Number: 137310 ALT | Manufacturer Article Number: 137310 | Material sheathing: PTFE | UNSPSC: 41122401 | Ø: 15 mm
For vessels with round bottom.
Variants from €10.41*
From €16.70*
Variations
New
Magnetic stirring bars, PTFE, cylindrical
 
Magnetic stirring bars, PTFE, cylindrical
Form magnetic stirring bars: Cylindrical | Length: 2 mm | Manufacturer Article Number: 137100 VE | Manufacturer Article Number: 137100 | Material sheathing: PTFE | UNSPSC: 41122401 | Ø: 2 mm
PTFE-coated. Cylindrical. Round, smooth surface. Versatile. Autoclavable. Further sizes available on request.
€58.00*
Magnetic stirring bars, polygonal, PTFE
 
Magnetic stirring bars, polygonal, PTFE
Form magnetic stirring bars: Polygonal | Length: 10 mm | Manufacturer Article Number: 301097 | Material sheathing: PTFE | UNSPSC: 41122401 | Ø: 3 mm
With permanent magnet AlNiCo V core. The angled shape gives rise to significant turbulence and thus achieves effective mixing. Autoclavable.
Variants from €3.90*
From €4.98*
Variations
Magnetic stirring bars, octagonal, PTFE
 
Magnetic stirring bars, octagonal, PTFE
Form magnetic stirring bars: Octogonal | Length: 13 mm | Manufacturer Article Number: 307697 | Material sheathing: PTFE | UNSPSC: 41122401 | Ø: 8 mm
Smooth surface. With rings and permanent magnet AlNiCo V core.
From €7.80*
Variations
New
Magnetic stirrer with heating, 3-Position, SHP-200-MP
 
Magnetic stirrer with heating, 3-Position, SHP-200-MP
Depth: 270 mm | Depth working area: 160 mm | Dimensions (WxDxH): 600 x 270 x 110 mm | Display: Analogue | Heating capacity: 700 W | Heating temperature: RT ... 325 °C | Height: 110 mm | IP code: IP 32 | Manufacturer Article Number: 51600-08 | Material stirring surface: Aluminium alloy | Max. heating temperature: 325 °C | Max. speed: 1500 1/min | Max. voltage: 230 V | Min. speed: 100 1/min | No. of stirring positions: 3 | Plug type: EU/UK | Power supply: 230 V, 50 Hz | Power supply frequency: 50 Hz | Rated capacity: 2250 W | Speed: 100 ... 1,500 1/min | Stirring capacity per position: 2 l | Type: SHP-200 MP | Type of auxiliary energy: Mains connection | UNSPSC: 41103806 | Weight: 11 kg | Width: 600 mm | Width working area: 160 mm | With connection ext. temperature sensor: No | With timer: No | Working area (WxD): 160 x 160 mm
With 3 independently adjustable aluminium hotplates, Overheat protection mechanism and warning light which switches on when the plate temperature exceeds 50°C. With facility for mounting a 12.5mm retort rod at the rear of each plate and 3mm x 25mm PTFE coated followers.With BioCote, silver-based, antimicrobial protection.
€1,907.22*
New
Magnetic Stirring Bars, PTFE
 
Magnetic Stirring Bars, PTFE
Form magnetic stirring bars: Cylindrical | Length: 20 mm | Manufacturer Article Number: 137415 VE | Manufacturer Article Number: 137415 | Material sheathing: PTFE | Max. temperature resistance: 270 °C | UNSPSC: 41122401 | Ø: 6.0 mm
Cylindrical, with pivot ring. For vessels with slightly uneven bottoms. Alnico V magnetic cores. Maximum operating temperature 270 °C.
€40.50*
Magnetic stirring bar behrotest, set 1 + 2
 
Magnetic stirring bar behrotest, set 1 + 2
Description: MS-Set 1 | Manufacturer Article Number: B00620571 | UNSPSC: 41122401
Magnetic stirring bars behrotest ®, Set 1 in a transparent box with hinged lidConsisting of: 2x 20 x 6 mm, 2x 25 x 6mm, 2x 30 x 6 mm, 2x 40 x 8 mm, 1x 50 x 8 mm, 1x 60 x 9 mmMagnetic stirring bars behrotest®, Set 2 in a transparent box with hinged lid including magnetic stirring bar retriever, length 245 mmConsisting of: 1x 15 x 6 mm, 2x 20 x 6 mm, 2x 25 x 6mm, 1x 30 x 6 mm, 2x 40 x 8 mm, 1x 50 x 8 mm, 1x 60 x 9 mmBoth sets with a deep insert for easier removal and sorting of the stirring bars.
€61.23*
Magnetic stirring bar retrievers
 
Magnetic stirring bar retrievers
Description: rod-shape | Length: 300 mm | Length mm: 300 | Manufacturer Article Number: 318293 | Material: PE | Material sheathing: PE | UNSPSC: 41122402
With a permanent magnet on one end and holding ring on the other one. Magnet is completely encapsulated.
€33.44*
Magnetic stirring bar retrievers, flexible
 
Magnetic stirring bar retrievers, flexible
Description: flexible | Length: 330 mm | Length mm: 330 | Manufacturer Article Number: 318597 | Material: PTFE | Material sheathing: PTFE | UNSPSC: 41-12-24-02
Due to the high flexibility, the magnet stir bar can be retrieved from inaccessible locations, e.g., from the water trap in a laboratory sink. Magnet encapsulated (Ø 12.5 mm, L 51 mm).
€120.30*
Article 1 - 24 from 280

Order magnetic stirrers online at the häberle Labortechnik shop

At häberle, you can find magnetic stirrers from leading manufacturers such as Heidolph, Velp, IKA, and LLG. We also carry devices from 2mag, Phoenix Instrument, and Thermo. Our range includes magnetic stirrers with and without heating options, with heating plates available in stainless steel, glass ceramic, or induction variants.

High-quality magnetic stirrers for all applications

Magnetic stirrers are used in chemical laboratories to ensure uniform stirring and mixing of liquids and solutions. Depending on the application, you can choose between single-position or multi-position magnetic stirrers with adjustable stirring speeds. Even liquids in closed containers can be effectively mixed using a magnetic stirrer.

Operation and applications of magnetic stirrers

In addition to stirring liquids, magnetic stirrers are also used for mixing. They are particularly valuable in sample preparation and in the dosing process for food and water analysis. Here’s how a magnetic stirrer operates:

A beaker or flask containing the liquid is placed on a plate, which may be heated. A magnetic stirring bar, coated with glass or plastic, is added to the liquid. Below the plate, a magnet rotates at an adjustable speed, causing the stir bar to rotate and thereby mixing the sample. Temperature control ensures uniform heating of the vessel contents.

Magnetic stirrers with heating

When a magnetic stirrer includes an integrated, controllable heating element, it is referred to as a heating magnetic stirrer. The heating plates of these devices are typically made of glass ceramic or stainless steel, suitable for containers of various sizes and types, such as beakers or Erlenmeyer flasks. Heating is regulated through the integrated heating system.

Difference between magnetic stirrers and Bunsen burners

Compared to heating individual samples with a Bunsen burner, magnetic stirrers with heating plates offer advantages such as achieving a consistently regulated temperature for samples. They also allow for safe handling of flammable liquids and solvents, which is not entirely safe with an open flame.

Advantages of magnetic stirrers

Underneath the heating plate, a magnet rotates at a precisely controlled speed. Inside the vessel on the heating plate, a rod-shaped magnet, known as a magnetic stirring bar or stir bar, also rotates, mixing the liquid. Stir bars, often coated with PTFE, are inert and do not react with the solutions they stir. After use, stir bars can be easily removed from the mixing vessel for cleaning.

Heating duration with magnetic stirrers

Magnetic stirrers with integrated heating not only ensure uniform heating but also effective mixing of liquids, reducing the risk of boiling over. In contrast, heating liquids over an open flame, especially with larger quantities and longer heating durations, requires more precise temperature control.

Stir bars and stir bar removers

At häberle, we offer a wide range of stir bars and magnetic stirring bars suitable for all types of magnetic stirrers, along with stir bar removers in various sizes. Stir bars come in different dimensions and shapes, including triangular magnetic stirring bars, cylindrical stirring bars, egg-shaped stirring bars, and middle-ring stirring bars. We also provide high-quality laboratory stirring bars from leading manufacturers, all available in one place. If you need assistance selecting the right stir bar or stir bar remover, please feel free to contact us.

Application of magnetic stirring bars

Magnetic stirring bars, also known as magnetic fish or stir fish, are essential components of magnetic stirrers. They are commonly used in conjunction with heating magnetic stirrers, which you can also find in our product range. The stir fish is attracted and held in place by the stirrer's magnetic field at the bottom of the flask. This ensures the stir fish remains stationary within the flask, facilitating the re-solution of deposits. Depending on the specific requirements, various sizes and types of stir fish are available. After use, stir fish can be easily removed from the flask and cleaned using a stir fish remover.

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