Digital overhead stirrer for high viscosity laboratory mixing

Digital Overhead Stirrer

/ Overhead Stirrers / 作者：
Factory Direct Digital overhead stirrer with constant-torque control

Digital Overhead Stirrer

Constant torqueDigital displayHigh viscosityOverload protection

Our digital overhead stirrers deliver constant-torque mixing for low to high viscosity liquids. Featuring LED speed display, PTFE anchor / 3-blade / 4-blade / dispersion disc stirring rods (customizable), they are the reliable workhorse for synthesis, mixing and homogenizing tasks.

ControlDigital speed, constant torque
DutyLow to high viscosity
ProtectionOverload & over-temperature
MountingReactor lid stand / clamp
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Technical Specifications

ParameterSJS312-90WSJS312-120WSJS312-250W
Stirring Volume (H2O)2-5L10-20L20-50L
Motor Output Power90W120W250W
Speed Range0-1200 rpm0-1200 / 0-600 rpm0-600 rpm
Torque40 N·cm80 N·cm162 N·cm
Max Viscosity10000 mPa·s50000 mPa·s100000 mPa·s
Chuck Diameter1.0-10mm1.0-10mm1.5-13mm
Voltage220V220V220V
Frequency50Hz50Hz50Hz
DisplayLEDLEDLED

Stirring rod types: PTFE anchor, 3-blade, 4-blade, stainless dispersion disc — customizable. Ambient temp 5~40°C, humidity ≤80%.

Product Views & System Configurations

Mounted on a jacketed glass reactor
Standard drive for reactor vessels
Fitted to a stainless steel reactor
High-viscosity duty version
Integrated stirring + temperature control loop
Complete reaction station

Typical Applications

  • Solution mixing and dissolution
  • Viscous sample stirring
  • Suspension and emulsion preparation
  • Reactor auxiliary stirring

FAQ

  • What viscosity can it handle?Up to 100,000 mPa·s on the 250W heavy-duty model.
  • Are stirring shafts included?Standard shaft included; anchor / blade / dispersion types customizable.
  • Is it suitable for continuous operation?Yes, designed for long continuous runs with LED speed display.
  • What is the warranty?12 months with lifetime spare parts supply.

Why Order From Reacore Lab

  • Factory-direct price — no trading company markup
  • 12-month warranty with lifetime spare parts supply
  • Payment: T/T, 30% deposit, balance before shipment
  • Export-grade plywood packing with photos before shipment
  • Video call inspection available before delivery
  • Technical support from inquiry to after-sales

What You Get With Every Order

12Months warranty
LifetimeSpare parts supply
12hQuote turnaround
T/T 30%Deposit, balance before shipment

Tell Us Your Volume & Application

Our technical team replies with a selection proposal and quote within 12 working hours.

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