Digital Peristaltic Pumps suit industrial processes.

Press Release Summary:

With flow capacities from 0-54 gph, Masterflex® P/S Pumps are available in complete systems, which include standard digital drive, computerized drive, or stainless steel NEMA 4X process drive. Units offer repeatability of 0.1% and turndown ratio of 6,000:1. Pumps are self-priming, able to operate dry, and suitable for most chemicals. Featuring 4-line graphical LCD, multi-language, man/machine interface provides direct readout of pump speed, flow rate, 3 dispensing modes, and menu options.

Original Press Release:

Thermo Fisher Scientific Introduces Peristaltic Pump

New Thermo Scientific P/S Digital Peristaltic Pump for Industrial Process Applications

BARRINGTON, IL, January 20, 2009 - Thermo Fisher Scientific Inc. introduces the new Thermo Scientific Masterflex® P/S line of digital peristaltic pumping systems. The P/S line is available in a wide range of complete systems, which include either a standard digital drive; a computerized drive; or a stainless steel NEMA 4X process drive.

The Masterflex P/S digital pump provides a number of important advantages for the industrial user, including repeatability of 0.1 percent to maximize productivity in precision chemical feed, batch dispensing and filling applications. A turndown ratio upwards to 6,000-to-1 provides users with substantial flexibility in volume and time of dispense in addition to a smooth, seamless operation and an extremely broad flow range within a single tubing size. Plus, with flow capacities from 0 to 54 GPH, you can achieve a flow range of 380,000-to- 1 in one pump head.

P/S pump systems are available as a complete system with Masterflex Easy-Load 2 or High Performance pump heads. The pumps are self-priming, able to operate dry and suitable for most chemicals, and contain no valves or seals to replace. Fluid only contacts the tubing, providing for contamination-free pumping.

A special feature of the new Masterflex P/S pumping system is a multi-language, intuitive, man/machine interface with four-line graphical LCD display providing direct readout of pump speed (RPM), flow rate (mL/min), three dispensing modes and menu options. For the operator, an easy-to-use keypad eliminates set point overshoot and provides easy navigation that includes a number of on-screen programming features and a wide range configurable remote control capability, including RS232 and USB connectivity. Furthermore, the brushless, no-maintenance drives have built-in diagnostics for improved reliability. This, combined with its bidirectional flow and self-priming capabilities, high turndown, superior accuracy, and intuitive interface make the P/S pump systems ideally suited in virtually all applications where precise, repeatable flow control is required.

For more information on Thermo Scientific Masterflex P/S digital peristaltic pumps visit

Thermo Scientific is part of Thermo Fisher Scientific, the world leader in serving science.

About Thermo Fisher Scientific

Thermo Fisher Scientific Inc. (NYSE: TMO) is the world leader in serving science, enabling our customers to make the world healthier, cleaner and safer. With annual revenues of $10 billion, we have more than 30,000 employees and serve over 350,000 customers within pharmaceutical and biotech companies, hospitals and clinical diagnostic labs, universities, research institutions and government agencies, as well as environmental and industrial process control settings. Serving customers through two premier brands, Thermo Scientific and Fisher Scientific, we help solve analytical challenges from routine testing to complex research and discovery. Thermo Scientific offers customers a complete range of high-end analytical instruments as well as laboratory equipment, software, services, consumables and reagents to enable integrated laboratory workflow solutions. Fisher Scientific provides a complete portfolio of laboratory equipment, chemicals, supplies and services used in healthcare, scientific research, safety and education. Together, we offer the most convenient purchasing options to customers and continuously advance our technologies to accelerate the pace of scientific discovery, enhance value for customers and fuel growth for shareholders and employees alike. Visit

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