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"Which RheoSense Chip do I use for my Application?"

One of the common questions we get from our customers is, “Which chip do I use to test my fluid?” RheoSense has a variety of different chips and you may wonder which chip would be the best for your application. The m-VROC® has four different designations of chips: A, B, C, and E. These letter values reference the max pressure capability of the MEMS pressure sensors inside the microfluidic flow cell. With the A-series being able to measure the lowest pressures for low viscosity fluids, the E-series are able to measure the highest pressures for higher viscosities and higher shear rates.

In microVISC, Viscosity Measurements, Applications, VROC Technology, m-VROC, General Information, RheoSense, Inc., VROC initium, Application Focus, FYI

VROC Initium Tutorial Videos Coming Soon!

Hi there,

Starting this month, we're excited to announce the production of a new series of videos on our fully automatic, high throughput viscometer: VROC® Initium. In the first half of the series, our specialists and Initium production engineers explain step-by-step on how to correctly and safely set up and configure your instrument. Each instructional video will range anywhere from 3 minutes to 10 minutes. Each video includes tips or other helpful information to ensure optimal functionality and capabilities of your VROC® Initium. We are more than happy to answer any questions you may have, as well as creating additional media content topics suggested from you, our clients.

In VROC Technology, m-VROC, General Information, Viscometer, RheoSense, Inc., RheoSense Clients, Automatic Viscometer, VROC initium, High throughput Viscometer, FYI, Guidelines, technical webinar, technical information, Calibration

Different Ways to Measure Viscosity

Measuring viscosity dates back to as early as the 19th century. French physicist Jean Poiseuille discovered the concept of measuring viscosity by formulating the "mathematical expression for the flow rate for the laminar flow of fluids in circular tubes." Later on, this formulation was discovered by a German hydraulic engineer Gotthilf Hagen, which came to be known as the Hagen-Poiseuille equation (Britannica). Early measurements of viscosity focused primarily on the flow of blood. Measurements were conducted using the hemodynamometer that incorporated narrow tubes & glass capillaries in effort to measure the pressures in the arteries of horses and dogs (Sutera). 

In Viscosity Measurements, VROC Technology, Biotechnology, Rheometer, m-VROC, General Information, Viscometer, Small Sample Viscometer, viscosity, Automatic Viscometer, High throughput Viscometer, FYI

2016 Pittcon Conference

RheoSense is will be exhibiting at the 2016 Pittcon Conference from March 6th to March 10, 2016. Visit us at Booth #1522 to meet our specialists and see the new automatic, high throughput viscometer, VROC® initium! 

In microVISC, m-VROC, General Information, Viscometer, Small Sample Viscometer, RheoSense, Inc., Conference/Event, Automatic Viscometer, Plasma Viscosity, Blood Viscosity, VROC initium, High throughput Viscometer, Serum Viscosity

Application Corner - Conductive Inks

Viscosity of conductive inks with m-VROC® and microVISC™:

Viscosity of conductive inks, paints and coatings is key to establish manufacturing processes for printed electronics and display systems. The complexity of printing and coating technologies has motivated a rapid growth of the conductive inks industry. To meet the market demands, efficient, highly accurate and fast characterization methods are required.
Conventional viscometers are often unable to fully characterize complex fluids (i.e. they are not able to measure viscosity as a function of shear rate or extensional properties). On the other hand, rheometers are limited to relatively low (<10,000 1/s) deformation rates. Our microfluidic-based VROC® (Viscometer/Rheometer On a Chip) technology overcomes these limitations.
RheoSense viscometers are able to fully characterize the flow curves (viscosity vs shear rate) of complex fluids for shear rates ranging from 0.5 to 1,400,000 1/s. Additionally, we offer measurements of extensional viscosity and temperature control from 4°C to 105°C. Accurate measurements of shear and extensional viscosity at the deformation rates and temperatures relevant for the fabrication processes are essential to understand the subtleties of the different printing and coating technologies.

VROC® powered instruments, provide a solution to the challenges of conventional technologies. The high accuracy and repeatability over a wide range of deformation rates make our systems Simply Precise™ at a fraction of the sample volume and testing time!
Target Keywords
Inks Viscosity
Non-Newtonian Inks
Shear Thinning Inks
Accurate Low Viscosity Measurements
Inkjet Inks
Ceramic Inks
Water Based Inks
Biopolymer and Protein Inkjet
In microVISC, Viscosity Measurements, VROC Technology, Rheometer, m-VROC, viscosity