LED Overhead Stirrer OS20-S/ OS40-S
• High reliability and outstanding performance.
• A 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 abnormal speed or overload conditions.
• Self-lock drill chuck, tools free.
SHCHEER Overhead Stirrers is suitable for medium to high viscosity liquid or solid liquid mixing. Mainly used in chemical synthesis, pharmaceutical, physical and chemical analysis, petrochemical, cosmetics, health products, food, biotechnology and other fields.
The overhead stirrer is capable of high load, continuous operation for a long time, and outstanding performance. Automatic protection against overload and abnormal conditions to ensure laboratory safety.
Specifications | OS40-S | OS20-S |
Max. stirring quantity(H2O) | 40L | 20L |
Motor type | brushless DC motor | brushless DC motor |
Motor input power | 120W | 60W |
Motor output power | 100W | 50W |
Voltage | 100-220V, 50/60 Hz | 100-220V, 50/60 Hz |
Power | 130W | 70W |
Speed range | 50-2200rpm | 50-2200rpm |
Speed display accuracy | ±3rpm | ±3rpm |
Speed display | LED | LED |
Overload protection display | LED lights | LED lights |
Max. torque | 60Ncm | 40Ncm |
Viscosity max. | 50000mPas | 10000mPas |
Chuck range diameter | 0.5-10mm | 0.5-10mm |
Dimension[WxHxD] | 83x.220x186mm | 83x220x186mm |
Weight | 2.8kg | 2.8kg |
Protection class | IP42 | IP42 |
Permissible ambient temperature and humidity | 5-40°C 80%RH | 5-40°C, 80%RH |
Items | Propeller stirrer | Straight Stirrer | Paddle Stirrer | Centrifugal stirrer |
PTE coated | ![]() | ![]() | ![]() | ![]() |
NO. 18900075 | NO. 18900076 | NO. 18900077 | NO. 18900078 | |
Stainless Steel | ![]() | ![]() | ![]() | ![]() |
NO. 18900071 | NO. 18900072 | NO. 18900073 | NO. 18900074 | |
Working Mode | The mixing medium generates axial flow from top to bottom to produce local shear force. | Make the mixture to flow from top to bottom in an axial direction | Make the mixing medium radial flow, gently stirring | The blade opens as the velocity increases,causing the mixing medium to produce axial flow from top to bottom |
Speed level | Media and high speed | Media and high speed | Media and low speed | Media and high speed |
Mixing media with media and low viscosity | ||||
Mixing medium | Standard, mixed liquid | Mix soft solids, flocculates, thickeners, precipitates, etc | Sample sensitive to shear force | Suitable for narrow-mouth bottles, such as flask, conical flask, etc |
![]() | Universal plate stand Dimensions [W x D x H] : 200 x 310 x 780mm Material: stainless steel No.18900131 |
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