Waverly® ST1R™ Overhead Stirrer Mixer

Regular price $775.00
Regular price $995.00 Sale price $775.00

Introducing the all-new ST1R™ Overhead Stirrer from Waverly®
We built one model to do it all — and do it better. The ST1R™ is our "super model": maximum torque, top-tier capacity, premium brushless motor for ultra-long life, and sleek digital controls — all in one beautifully engineered package. By perfecting a single design, we streamline production and pass the savings on to you, offering pro-level performance at a surprisingly competitive price.

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ST1R

ST1R
Regular price $775.00
Regular price $995.00 Sale price $775.00
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ST1R

Waverly® ST1R™ Overhead Stirrer Mixer

Model: ST1R

Regular price $775.00
Regular price $995.00 Sale price $775.00

Select Stirrer (Optional)

OSX40
Regular price $35.00
Regular price $50.00 Sale price $35.00
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OSX40

Waverly® ST1R™ Stirrers

Model: OSX40

Type: Crossed Stirrer

Shaft Length: 15.75in

Stirrer Diameter: 2in

Material/Coating: 316L stainless steel

Regular price $35.00
Regular price $50.00 Sale price $35.00
OSS40
Regular price $45.00
Regular price $65.00 Sale price $45.00
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OSS40

Waverly® ST1R™ Stirrers

Model: OSS40

Type: Straight Stirrer

Shaft Length: 15.75in

Stirrer Diameter: 2.35in

Material/Coating: 316L stainless steel

Regular price $45.00
Regular price $65.00 Sale price $45.00
OSC40
Regular price $45.00
Regular price $65.00 Sale price $45.00
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OSC40

Waverly® ST1R™ Stirrers

Model: OSC40

Type: Centrifugal Stirrer

Shaft Length: 15.75in

Stirrer Diameter: 3.54in

Material/Coating: 316L stainless steel

Regular price $45.00
Regular price $65.00 Sale price $45.00
OSE40
Regular price $45.00
Regular price $60.00 Sale price $45.00
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OSE40

Waverly® ST1R™ Stirrers

Model: OSE40

Type: Propeller Stirrer

Shaft Length: 13.9in

Stirrer Diameter: 3.54in

Material/Coating: 316L stainless steel

Regular price $45.00
Regular price $60.00 Sale price $45.00
OSA40
Regular price $45.00
Regular price $60.00 Sale price $45.00
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OSA40

Waverly® ST1R™ Stirrers

Model: OSA40

Type: Anchor Stirrer

Shaft Length: 13.9in

Stirrer Diameter: 2in

Material/Coating: 316L stainless steel

Regular price $45.00
Regular price $60.00 Sale price $45.00
OSD40
Regular price $55.00
Regular price $70.00 Sale price $55.00
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OSD40

Waverly® ST1R™ Stirrers

Model: OSD40

Type: Dissolver Stirrer

Shaft Length: 13.9in

Stirrer Diameter: 2.25in

Material/Coating: 316L stainless steel

Regular price $55.00
Regular price $70.00 Sale price $55.00
OSP40
Regular price $45.00
Regular price $65.00 Sale price $45.00
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OSP40

Waverly® ST1R™ Stirrers

Model: OSP40

Type: Paddle Stirrer

Shaft Length: 15.75in

Stirrer Diameter: 2.68in

Material/Coating: 316L stainless steel

Regular price $45.00
Regular price $65.00 Sale price $45.00
OSX35
Regular price $44.00
Regular price $60.00 Sale price $44.00
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OSX35

Waverly® ST1R™ Stirrers

Model: OSX35

Type: Crossed Stirrer

Shaft Length: 13.75in

Stirrer Diameter: 2.55in

Material/Coating: PTFE coated

Regular price $44.00
Regular price $60.00 Sale price $44.00
OSS35
Regular price $44.00
Regular price $60.00 Sale price $44.00
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OSS35

Waverly® ST1R™ Stirrers

Model: OSS35

Type: Straight Stirrer

Shaft Length: 13.75in

Stirrer Diameter: 2.35in

Material/Coating: PTFE coated

Regular price $44.00
Regular price $60.00 Sale price $44.00
OSP35
Regular price $44.00
Regular price $60.00 Sale price $44.00
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OSP35

Waverly® ST1R™ Stirrers

Model: OSP35

Type: Paddle Stirrer

Shaft Length: 35cm

Stirrer Diameter: 6.8cm

Material/Coating: PTFE coated

Regular price $44.00
Regular price $60.00 Sale price $44.00
OSC35
Regular price $44.00
Regular price $60.00 Sale price $44.00
More Information
OSC35

Waverly® ST1R™ Stirrers

Model: OSC35

Type: Centrifugal Stirrer

Shaft Length: 35cm

Stirrer Diameter: 8.5cm

Material/Coating: PTFE coated

Regular price $44.00
Regular price $60.00 Sale price $44.00

Select Hotplate (Optional)

Questions about this product? Call us at (424) 400-2340

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Hassle-free setup. Installation guides and support included!

Details

Description
Specifications
Video

Waverly® ST1R™ Overhead Stirrer

The new overhead stirrer from Waverly® Scientific Products is a universal overhead stirrer ideal for many different applications. Perfect for stirring, mixing, and homogenizing liquids and solids, including high-viscosity substances.

Waverly® designed this stirrer for the modern laboratory. It is compact, lightweight, and features a sleek design with a sharp LED digital display covered by a tempered glass screen—like an iPhone.

We've consolidated our designs into one model only, the ST1R™, which happens to be the top model with the best specifications. By consolidating into one model, we can leverage economies of scale to offer the highest performance at a price that competes with any other brand in its class.

  • Drive motor: premium maintenance-free brushless DC motor
  • Max stir volume: 40L (H₂O)
  • Speed range: 50 to 2000 rpm
  • LED display shows both actual and set speed
  • Speed automatically adjusts to viscosity changes in real time via microprocessor technology
  • Through-shaft design allows shaft length adjustment and easy vessel changes between batches
  • Overload protection system activates if torque exceeds stirrer limits
  • Safety circuits with auto cut-off for added protection

ST1R Overhead Stirrer Specifications

Max. stirring quantity (H₂O) 40L
Motor type Premium brushless DC motor
Electrical 100-240V, 50/60 Hz
Power 145W
Speed range (under nominal load) 0/50-2000 rpm
Speed increment Stepless, 10 rpm
Speed accuracy ±1 rpm
Max torque (at stirrer shaft) 40 N·cm
Max viscosity 50,000 mPas
Speed display LED
Protection class (DIN EN 60529) IP 42
Protection at overload Yes
Motor protection Yes
Over temperature protection Yes
Chuck range diameter 0.5–10mm
Permissible ambient temperature & humidity 5–40°C, 80%
Dimensions (W × H × D) 2.8 × 6.8 × 9.5 in (71 × 174 × 240 mm)
Weight 5.5 lbs (2.3 kg)