Pfeiffer Vacuum, Nashua, N. H., released its 2002-2004 vacuum technology catalog, which provides over 600 pages of products for semiconductor, analytical, R&D and industrial applications. For each product for vacuum generation, installation and measurement, the catalog contains information on the field of application, features, technical data and part numbers. New to the catalog are DigiLine advanced digital pressure gages for measuring the entire vacuum range; the OnTool DryPump(tm), which mounts directly to the semiconductor process tool; TPD011 turbo-drag pump; as well as new models of turbopumps, rotary vane pumps and valves.