MICRO VISCOMETERS


RheoSense VROC® viscometers: Accurate viscosity measurements for small samples
RheoSense offers a range of viscometers that simplify viscosity measurements. Their viscometers have redefined the way viscosity is measured with the benefit of VROC® technology. All RheoSense viscometers require only small sample volume, control from low to very high shear rates, and measure true viscosity of Newtonian and non-Newtonian liquids.

What is VROC® Technology?
VROC® (Viscometer-Rheometer-on-a-Chip) is a patented technology that combines microfluidic and MEMS (Micro-Electro-Mechanical Systems) technologies to measure dynamic viscosity over a wide dynamic range of operation. With VROC® Technology, RheoSense took the standard principles of rheometry and created a dynamic micro-sample viscometer by adding microfluidics while reducing the size of the device with MEMS manufacturing. This makes it possible to measure viscosity with small sample volumes (26µL) and high shear rates (> 100,000 1/s). The microVISC-m is one of RheoSense's products that is designed for measuring the viscosity of small samples. It is ideal for applications such as remote mining machinery and equipment, naval vessels with aviation and marine lubricants, compressors, bearings, and rotating equipment on ships, fleet maintenance services for trucks, tanks, buses, and other vehicles, transformer oils for power companies, small- and medium-sized diesel engines.

Viscosity is one of the most important parameters in the development and modeling of applications that involve fluid flow. RheoSense's VROC® powered viscometers provide quick, easy to obtain, accurate viscosity measurements. This makes them ideal for a wide range of applications, including:
  • Research and development
  • Quality control
  • Troubleshooting
  • Process optimization
If you are looking for a viscometer that can provide accurate viscosity measurements for small samples, then RheoSense's VROC® viscometers are a great option.

Manufacturer's website : http://www.rheosense.com/



Micro Viscometers Products


Micro Viscometer

microVISC is the ultimate solution for your routine viscosity measurements. This portable and small sample viscometer is intuitively designed so that users can start operating within one minute. It employs RheoSense's patented Viscometer/Rheometer-on-a-Chip (VROC®) technology and offers accurate and repeatable viscometry measurements, using sample size as little as 100 microliters.

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Extensional Viscometer

e-VROC™, the viscometer capable of measuring apparent extensional viscosity, measures the extensional flow of polymer solutions to help you understand and optimize your industrial processes. By monitoring the sample flow through a microfluidic contraction within the measuring cell, e-VROC™ provides precise apparent extensional viscosity data.

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High Temperature Micro Viscometer

Because viscosity is heavily dependent on temperature, RheoSense includes a precise temperature controller with all (VROC®) units to provide thermal stability to within +/-0.07 °C. The standard (VROC®) components and temperature control system allow for operation from 4°C to 70°C, but with specific applications, such as those following a pre-existing ISO or ASTM method, the viscosity measurement is required to be performed at a specific elevated temperature. For example, in the case of lubricants, a specific shear rate is required to mimic the conditions within the journal bearings of internal combustion engines under operating conditions.

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Semi-Automated Small Sample Viscometer

Rheosense m-VROC II is the latest and second generation of the semi-automated, small sample viscometer. The viscometer features the widest dynamic range, with high shear rate viscosity measurements up to 2,020,000 s-1, and with minimum sample volume of 15 microliters.

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Automated and High Throughput Viscometer

The VROC Initium is an automated viscometer that is able to analyze the viscosity of your precious samples 24/7. Custom as well as routine testing is enabled at your fingertips with this equipment. Both Newtonian and non-Newtonian samples are able to characterized with the advanced VROC® technology in this equipment.

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Chip Cleaning Station

The chip cleaning station is capable of cleaning VROC® chips under 10 min. It allows for a selection of 3 different solvents along with premade cleaning protocols.

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