How to choose and find cheap rotary evaporator?

To choose and find a cheap rotary evaporator, consider the following steps:

1.  Determine your needs  : Assess the amount of distillation required per day, the number of samples to be distilled, and the type of solvent you will be using. This will help you determine the size and capacity of the rotary evaporator you need.

2.  Budget considerations  : Set a budget and look for entry-level models that offer basic features without advanced features, which may be more affordable.

3.  Core technology  : Ensure that the rotary evaporator can maintain a high vacuum under the corrosion and movement of various solvents, which is crucial to its performance.

4.  Efficiency factors  : Consider steam temperature, vacuum degree and cooling water temperature, because these will affect the efficiency of the cheap rotary evaporator.

5.  Condenser Type  : Understand the difference between vertical and inclined condensers and choose according to your space and efficiency requirements.

6.  Model selection  : Select the right model according to your laboratory and sample testing needs. Different models are suitable for different scale operations.

7.  Safety features  : Look for safety features such as automatic shutdown systems and glassware protection to ensure safe operation.

8.  Material  : If you are using corrosive liquids, choose a rotary evaporator made of a material that can withstand such substances.

9.  Price Comparison  : Compare the prices of different models and brands to find one that fits your budget and doesn't compromise basic features.

10.  View reviews  : View customer reviews and ratings to make sure you're getting a quality product at a lower price.

By following these steps, you can find an cheap rotary evaporator that meets your lab needs without spending too much money. Keep in mind that the cheapest option may not always be the best in terms of performance and longevity, so strike a balance between cost and quality.