12/02/2005 • Analytics • Laboratory appliances

Extension to Malvern’s range of Bohlin rheometers

The latest addition to the Bohlin Gemini family of rheometers from Malvern Instruments is optimized for the control of ultra-low torques, and opens up new opportunities to probe weak or sensitive material structures and low viscosity systems. Like all previous Bohlin High Resolution rheometers, the new Bohlin Gemini HR nano offers advanced technology with straightforward operation.

There are widespread applications for rheology measurement in the pharmaceutical industry including rapid stability screening and analysis of end use performance of drug suspensions; optimizing topical formulations and production; determining pumping and spraying characteristics; and assessing the absorption characteristics of nasal and throat sprays.

The Bohlin Gemini HR nano enables the measurement and control of nano-torque levels, whilst maintaining continuous operation across a wide working torque range. This allows complete rheological characterization with 'fluids to solids' capability. Development of the new rheometer has been made possible through the continued advancement of Malvern’s state-of-the-art air bearing design coupled with its patented Rotonetic™ 2 DSP drive system. The instrument’s unsurpassed range and sensitivity allows torque and speed control across all steady, dynamic and transient test modes. Both strain controlled and stress controlled tests can be performed with ease.

Gemini rheometers are the centerpiece of a complete, high performance, modular rheometer system from Malvern, which includes a wide range of EasySwap™ temperature controllers, measurement geometries and accessories. Flexible, easy to use software enables rapid programming of complex test protocols and automated analysis. Gemini can be quickly and easily configured to allow testing across a full range of materials and applications.

http://www.malvern.co.uk/LabEng/products/bohlin/Gemini/geminihr/geminihr.htm

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