Many analytical applications such as mass spectrometry, electron microscopy or surface analysis are carried out in high vacuum. Turbomolecular pumps are typically used to generate the needed vacuum. Such turbo pumps need an auxiliary backing pump, or "roughing pump", as they cannot compress to atmospheric pressure. Using oil-free diaphragm pumps for fore-vacuum generation in connection with state-of-the-art turbo pumps (with "molecular drag" stage) decisively improves the cleanliness of the vacuum generation, and often reduces service requirements as well. In many cases, such an oil-free high vacuum is absolutely mandatory.
By carefully considering your specific application needs and the features of available pumps, you can find a vacuum pump that will provide reliable and efficient performance for years to come. If you have any questions, reach out to our customer service at Phone: 1-888-522-2726 | Email: info@brandtech.com