OS20-S LED Overhead Stirrer

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• High reliability and outstanding performance
• Wide range of speed from 50 to 2200rpm
• Brushless DC motor for long life, maintenance free and explosion proof
• LED screen for monitoring actual speed
• Safety circuits allow for safe stop function in anti-stall or overload conditions
• Large chuck diameter for many shaft types

Max. stirring quantity [H₂O]: 20L

Speed range: 50-2200rpm

Speed display accuracy: –

Time settings range: –

Max. torque: 40N·cm

Viscosity max: 10000mPa·s

Motor type:  Brushless DC motor

Speed display: LED

Torque display:  –

Overload protection display: LED

Data interface:  –

Chuck clamp range diameter 0.5-10mm

Protection class: IP21

Motor input power:  60W

Motor output power:  50W

Power: 70W

Voltage, Frequency: 100-240V, 50/60Hz

Dimension [WxHxD]:  83 x 220 x 186mm

Weight: 2.8kg

Permissible ambient temperature: 5-40℃

Permissible ambient humidity: 80% RH

• for OS20/40/70
• Dimension [W x D x H] : 20x31x78cm
• Material: cast iron

2.      Paddle stirrer (18900073)

• Shaft length: 40cm
• Stirrer diameter: 6.8cm
• Shaft diameter: Ø8mm
• Material: 316L stainless steel
• For gentle mixing at low and medium speeds

3.      Paddle stirrer (18900075)

• Shaft length: 35cm
• Stirrer diameter: 6.5cm
• Shaft diameter: Ø8mm
• Material: PTFE coated
• Standard stirring applications at medium and high speed

4.      Propeller stirrer (18900071)

• Shaft length: 40cm
• Stirrer diameter: 5cm
• Shaft diameter：Ø8mm
• Material: 316L stainless steel
• Standard stirring applications at medium and high speed

5.      Straight stirrer (18900072)

• Shaft length: 40cm
• Stirrer diameter: 6cm
• Shaft diameter: Ø8mm
• Material: 316L stainless steel
• For low viscosity media at medium and high speeds

6.      Centrifugal stirrer (18900078)

• Shaft length: 35cm
• Stirrer diameter: 8.5cm
• Shaft diameter: Ø8mm
• Material: PTFE coated
• Blades open while speeding. For narrow neck vessels at medium to high speed.

7.      Centrifugal stirrer (18900074)

• Shaft length: 40cm
• Stirrer diameter: 9cm
• Shaft diameter: Ø8mm
• Material: 316L stainless steel
• Blades open while speeding. For narrow neck vessels at medium to high speed.

8.      Paddle stirrer (18900077)

• Shaft length: 35cm
• Stirrer diameter: 6.8cm
• Shaft diameter: Ø8mm
• Material: PTFE coated
• For gentle mixing at low and medium speeds

9.      Straight stirrer (18900076)

• Shaft length: 35cm
• Stirrer diameter: 7cm
• Shaft diameter: Ø8mm
• Material: PTFE coated For low viscosity media at medium and high speeds

10.  Flat-blade stirrer (18900625)

• Shaft length: 40cm
• Stirrer diameter: 6cm
• Shaft diameter: Ø8mm
• Material: 316L stainless steel
• Suitable for medium speed stirring, low viscosity and medium viscosity materials

11.  Radial-flow stirrer（ 18900626）

• Shaft length: 40cm
• Stirrer diameter: 5cm
• Shaft diameter: Ø8mm
• Material: 316L stainless steel
• Suitable for medium speed or high speed agitation, low viscosity or medium viscosity materials, recommended for the treatment of gas in liquid

12.  Anchor stirrer（18900627）

• Shaft length: 40cm
• Stirrer diameter: 6cm
• Shaft diameter: Ø8mm
• Material: 316L stainless steel
• Suitable for low speed stirring, medium viscosity and high viscosity materials

13.  Spiral stirrer（18900628）

• Shaft length: 40cm
• Stirrer diameter: 5cm
• Shaft diameter: Ø8mm
• Material: 316L stainless steel
• Suitable for medium speed or high speed agitation, medium viscosityand high viscosity materials, recommended for liquid homogenization or suspension treatment