DWSY-2000/3000/5000A Intelligent Control Rotary Evaporator

The DWSY-A Series Intelligent Control Rotary Evaporator combines rotary evaporation, automatic lifting, temperature control and safety protection in one benchtop system. Three flask-capacity options are available for different processing volumes, with standard and vacuum-control configurations available according to experimental requirements.

  • 2 / 3 / 5 L
  • 25 / 27 / 43 mL/min
  • 0~310rpm/min
  • Up to 210°C
  • 0–999 min
  • Automatic Lift
  • Water Bath: RT–99°C ±0.5°C
  • Oil Bath: RT–210°C ±2°C

Models: DWSY-2000A, DWSY-3000A, DWSY-5000A

DW-Mini-50 Brochure

Features of DWSY-A Series

DWSY A Series Rotary Evaporators Capacity
  • Equipped with LCD display, menu type interface and knob type switch operation.
  • Touch type and handle type double automatic lifting makes lifting more safe.
  • Heating pot: Teflon coating has the characteristics of easy cleaning, corrosion resistance and high temperature resistance
  • Rotating DC motor power :70W
  • Unmanned mode safe operation function and the end of the experiment automatic standby
  • The condensing tube is designed with drip point and anti-backflow device、
  • Special bottle knob design makes bottle return simple and convenient.             
  • Can be set up intermittent timing forward and reverse, suitable for drying process.
  • The built-in vacuum control system is convenient and quick to set             
  • Bath: Equipped with safety handle and oil/water dual-use from room temperature to 210°C
  • Sealing unit: imported PTFE+ special process mold synthesis、        
  • It has anti-dry burning protection, over-temperature power failure warning and automatic standby protection.

Note: Type A comes standard with a ground-glass joint condenser (glass is less prone to damage); Type B standard joint condenser is available as an option.

Applications of DWSY-A Series

Pharmaceutical API Research

Pharmaceutical & API Research

Reaction mixtures, API intermediates, solvent extracts, purified fractions

Chemical Fine Chemical Synthesis

Chemical & Fine Chemical Synthesis

Organic reaction mixtures, chemical intermediates, reagent solutions, synthesis fractions.

Natural Products Herbal

Natural Products & Herbal Extraction

Plant extracts, herbal extracts, botanical fractions, natural-product solutions.

Food Flavor Agricultural Research

Food, Flavor & Agricultural Research

Fruit extracts, food extracts, flavor solutions, plant and agricultural extracts.

Environmental Sample Preparation

Environmental Sample Preparation

Water extracts, soil extracts, sediment extracts, environmental organic extracts.

University General Laboratory Research

University & General Laboratory Research

Reaction solutions, research extracts, purified fractions, mixed laboratory samples.

Safety Protection

  1. Dry-Heating Protection: Automatic response when abnormal dry heating is detected.
  2. 0–999 min Timer: Automatically stops operation at the preset time.
  3. Over-Temperature Warning: Triggers warning and automatic lifting under abnormal temperature conditions.
  4. Automatic Standby: The system enters standby after the experiment or under specified protection conditions.

FAQ

The series includes 2 L, 3 L and 5 L configurations.

The specified water evaporation capacities are 25, 27 and 43 mL/min for DWSY-2000A, 3000A and 5000A respectively.

The water bath operates up to 99°C, while the oil bath reaches 210°C.

A built-in vacuum controller is available on the vacuum-control configuration, with a specified range of 0–1013 mbar.

The brochure specifies that the vacuum inside the device can reach 2 mbar for the vacuum-control version.

Yes. The lifting stroke is 150 mm, with a 60 mm lower safety distance.

Yes. Intermittent forward/reverse operation is supported with an adjustable interval of 0–60 seconds.

Yes. The timer can be set from 0 to 999 minutes, with automatic stopping at the preset time.

Specifications of DWSY-A Series

ModelDWSY-2000A DWSY-3000A DWSY-5000A
TypeStandardVacuum controlStandardVacuum controlStandardVacuum control
Rotating SpeedLCD color display 0~310rpm/minLCD color display 0~310rpm/minLCD color screen display 0~200~310rpm/min (3L inner rotating bottle up to 310rpm/min)
Evaporation capacityMax.25ml/min(H2O) Max.27ml/min(H2O)Max.43ml/min(H2O)
Vacuum The vacuum inside the device can reach 2mbar/The vacuum inside the device can reach 2mbar/The vacuum inside the device can reach 2mbar
Vacuum control/Built-in vacuum controller (arbitrary control experiment required vacuum degree, setting range: (0~ -0.1Mpa) 0~1013mbar; Accuracy ±1)./Built-in vacuum controller (arbitrary control experiment required vacuum degree, setting range: (0~ -0.1Mpa) 0~1013mbar; Accuracy ±1)./Built-in vacuum controller (arbitrary control experiment required vacuum degree, setting range: (0~ -0.1Mpa) 0~1013mbar; Accuracy ±1).
Temperature  rangeWater and oil dual-purpose pot bath: room temperature ~99℃±0.5℃; Oil bath: Room temperature ~210℃±2℃
Material/SizeDisposable Teflon composite pot φ23×13cm (about 5.4L).Equipped with high temperature resistant Teflon protective cover.Disposable Teflon composite pot φ26×15cm (about 8L)Equipped with high temperature resistant Teflon protective cover.
Sample bottleIntermittent rotation around, intermittent time adjustable 0 ~ 60s, can be used for drying powder samples.
Rotating glass shaft29#/42 grinding integrated glass shaft,  evaporation bottle fixing clip connected to the bottle remover, to prevent loss.//
Lift strokeTouch + handle type double automatic balancing lifting (lifting stroke 150mm) The descending end point has a fixed 60mm safety distance to prevent collision.
Temperature ControlMicrocomputer PID controller, digital display.
Temperature settingKnob encoder, rotary input setting, large LCD screen display, convenient and fast 
Safety performanceFuse, heat sensing dry burning prevention device, dry burning test bottle automatically up and down to the highest; Timing function (0~999min), the device automatically stops working after reaching the predetermined time; Equipment abnormal, overtemperature warning automatic lifting main engine, instrument automatically lifting evaporation bottle, standby warning protection.
HeaterFully enclosed heater
Power1.5KW1.5KW1.8KW
Scope 25~2000mL25~3000mL25~5000mL
Sealing unitImported PTFE and special synthetic materials are processed and synthesized by special process technology to enhance sealing, corrosion resistance and wear resistance.
Condensing pipeVertical, three-layer ball grinding mouth snake condensing pipe,condensing area of 0.18m², with dripping point and anti-backflow design.Vertical, three-layer ball grinding mouth snake condensing pipe,condensing area of 0.21m², with dripping point and anti-backflow design.Vertical, three-layer ball grinding mouth snake condensing pipe,condensing area of 0.31m², with dripping point and anti-backflow design.
Service ambient temperature5~40℃
VoltageAC220V/50HZ
Instrument size660*420*830mm660*420*830mm 700*430*860mm740*440*960mm
Package size710*645*510mm710*645*510mm710*645*790mm780*690*850mm
Gross weight30kg30kg 35kg42kg
  • Washer
    Washer
  • Washer
    Washer
  • Multi-manifold
    Multi-manifold
  • Heating Pot
    Heating Pot
  • Cooling Device
    Cooling Device
  • Evaporating Flask
    Evaporating Flask
  • Evaporating Flask
    Evaporating Flask
  • Evaporating Flask
    Evaporating Flask
  • Evaporating Flask
    Evaporating Flask

Why Choose Us?

  • One-Station Shopping

“Multiple suppliers” have always been an issue in the procurement process. Drawell as a one-stop laboratory equipment and scientific instruments supplier, can perfectly solve this problem. In addition to manufacturing our own equipment, we also represent other laboratory equipment. Our product lines are rich and diverse at competitive prices. Provide one-stop service to customers.

  • Customer-centric Services

User Training – Training by Drawell skilled engineers about installation, debug tests, technical services, etc. It can happen in our factory in China, or at the site in the customers’ country. Cost depends on where and when the training happens.

  • Online Support

To discuss the problem and get it resolved, online chats, real-time video calls, and remote guidance. For the after-sales stage, our online technical guidance is free and ready forever.

  • 100% Quality Guarantee Policy

1 year free official warranty, including repairing quality-damaged parts, and offering replacements of selected parts (shipping cost is extra). 5% of the product price is charged for extending the warranty before the end of the official warranty.

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