Viscometer requires only 50 µL sample size.

Press Release Summary:

Designed for protein and other biological formulations, m VROC has measurement range from 0.1-100k cp viscosity. Ergonomically designed device includes is enclosed system complete with all required hardware, external circulating water bath for temperature-control, and optional purge air supply that prevents condensation inside chamber. Portable product can be implemented on or off process line.

Original Press Release:

New Generation Viscometer with Sample Size Down to 50 microliter

A New MEMS-Based Paradigm for Liquid Flow Management

RheoSense, the pioneer in MEMS-based microfluidic viscometers, has reached another milestone! They have introduced the next generation viscometer, m VROC.

The NEW m VROC takes viscosity measurement techniques to new heights with user friendliness, ergonomic design, and automation.

Exciting new features include an enclosed system complete with all the required hardware providing a high degree of accuracy and reproducibility.

The m VROC requires the smallest sample volume of 50 microliter which is the target for protein and other biological formulations.

The unit is very user friendly and easy to set up and the portable design allows the system to be implemented on or off the process line.

An improved, optional temperature-control (via an external circulating water bath) is provided.

An optional purge air supply (connected through an external source) prevents condensation inside the chamber when operating at low temperatures.

With the versatility of a wide measurement range (0.1 to 100k cP viscosity) and high shear rates, the m-VROC is capable of analyzing virtually any liquid viscosity value.

The NEW m VROC will meet the stringent R&D or QC requirements of most applications.

RheoSense is pleased to work with equipment manufacturers and OEM's to develop custom applications utilizing VROC technology in Viscometry/Rheometry.

To receive additional information on the NEW m VROC contact

RheoSense, Inc.,

2694 Bishop Drive, Suite 260,

San Ramon, CA 94583 USA.

Phone: 925-866-3802

Fax: 925-866-3804


or visit our Web site:

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