Rotary Evaporator LRE-T2011

Introduction

Rotary Evaporator works in the temperature range of 20 to 99 ℃ with a capacity of 2L. It Offers an evaporation speed of 2 protection. Enhanced with manual and automatic forward and reverse settings for diverse operating needs. The condenser includes a flow diversion function to prevent evaporation backflow, enhancing reaction efficiency and extending machine lifespan. This equipment is essential for solvent evaporation and concentration processes in chemical, pharmaceutical, and food laboratories. It features efficient heat transfer and vacuum control to ensure optimal distillation results while protecting sensitive samples.

Applications

Rotary Evaporators are primarily employed in the chemical, bioengineering, and biopharmaceutical sectors for concentration, crystallization, drying, separation, and solvent recovery processes.

Specifications

Temperature Control Range	20 to 99 ℃
Control Screen
Heating Power	1500 W
Pressure Rate	≤ 2kPa/h
Maximum Vacuum	399.9 Pa (≤ 3mmHg)
Rotary Motor Power	100 W
Host Speed	Digital DC step-less speed regulation
Motor Rotating Control	35 to 200 rpm
Tilt Angle Adjustment Range	0 to 30 degrees
Condenser	Vertical, double serpentine condenser
Condensation Area	0.15 m³
Rotary Flask Volume	2L，Flange type Ø43mm
Collection Flask Volume	2L
Evaporation Volume Range	50 to 2000mL
Water Bath Volume	4L
Bath Material	Stainless steel, SUS304 material
Bath Size	280mm × 260mm × 130mm
Temperature Accuracy	±1 ℃
Lifting Mode	Electric lifting
Lifting Distance	180mm
Lifting Speed	10mm/s
Bath Power	4000 W
Vacuum Seal	Teflon + Teflon fluorinated rubber double seal
Discharge Valve	spool
Evaporation Speed	Water：2 L/h Ethanol：5.4 L/h
Protection	Over Current Protection Ground Fault Protection Over Temperature Protection Dry Burning Protection
Optimum Ambient Temperature	5 to 35 ℃
Ambient Relative Humidity	≤ 65%
Power Consumption	1800 W
Power Supply	Single phase 110V/220V，50Hz/60Hz
Dimension (W× D× H)	650 × 420 × 900 mm
Packing Dimension (W× D× H)	650 × 500 ×500 mm
Net Weight	20 Kg
Gross Weight	30 Kg

Features

Maintenance-free split stainless steel bath pot

Standard RS485 communication interface

Automatic raising feature

Standard steam temperature detection function

Equipped with electronic over-current protection

Large base for stability and easy lifting

Ergonomically designed operating handle

Sealing ring of for reagent resistance

FAQs

1. What vacuum level is appropriate for operating a rotary evaporator?

The appropriate vacuum level depends on the boiling point of the solvent being evaporated. For most common solvents, a vacuum level between 10-50 mbar is suitable. Lower boiling point solvents (such as ethanol) require higher vacuum (lower pressure), while higher boiling point solvents may need lower vacuum. It's important to adjust the vacuum level gradually to prevent sample bumping and ensure efficient evaporation.

2. How to prevent sample bumping during rotary evaporation?

To prevent sample bumping, you can: 1) Use a bumping tube or anti-bumping granules in the evaporating flask; 2) Control the heating bath temperature to avoid rapid temperature increase; 3) Adjust the rotation speed to ensure gentle mixing of the sample; 4) Gradually increase the vacuum level instead of applying full vacuum immediately; 5) Ensure the evaporating flask is properly centered and balanced.

3. How often should the rotary evaporator's seals be replaced?

The frequency of seal replacement depends on usage frequency, the type of solvents used, and maintenance practices. Under normal usage with non-corrosive solvents, seals should be inspected every 3-6 months and replaced if signs of wear, leakage, or reduced vacuum performance are observed. For corrosive solvents, more frequent inspection and replacement (every 1-3 months) may be necessary to maintain vacuum integrity.

4. Can the rotary evaporator be used for heat-sensitive samples?

Yes, the rotary evaporator can be used for heat-sensitive samples by utilizing the vacuum system to lower the solvent's boiling point, thus reducing the required heating temperature. For highly heat-sensitive samples, additional measures such as using a cold trap, lowering the heating bath temperature further, or reducing the rotation speed can help protect the sample from thermal degradation while maintaining efficient evaporation.

5. How to clean the rotary evaporator after use?

After use, follow these cleaning steps: 1) Turn off the heating bath and vacuum system, and allow the equipment to cool down; 2) Remove and empty the receiving flask; 3) Rinse the evaporating flask and condenser with an appropriate solvent (compatible with the sample residue); 4) For stubborn residues, use a soft brush or ultrasonic cleaner (if compatible with glass components); 5) Dry all components thoroughly before reassembly; 6) Wipe the exterior of the equipment with a clean, damp cloth.