RheoSense, Inc.    San Ramon, CA 94583
Aug 11, 2011 Supporting range of applications, µVISC(TM) (micro VISC) employs VROC® (Viscometer Rheometer on-a-chip) with HC chip that supports testing of viscosity ranges to 20,000 mPas or greater. Tests can be completed within 1 min with 3-step operation, and menu-driven application lets user view graphs of results and generate report. Specific uses include testing and evaluating materials such as inks, biologics, chemicals, oils, and other liquids.

Cambridge Viscosity, Inc.    Medford, MA 02155
May 23, 2011 With Continuous Flow Adapter, SPL-440 high-pressure viscosity sensor can be utilized to understand core rock permeability under dynamic fluid conditions. Researchers can track oil extraction effectiveness in situations of varying reservoir fluid mixtures found in target oil fields. Fluid is directed through adapter's coaxial manifold directly in and out of SPL-440 sensor to analyze viscosity under flow conditions, and then into core sample for permeability analysis.

Cambridge Viscosity, Inc.    Medford, MA 02155
Jan 21, 2011 Model SPL-374 flow-thru sanitary process viscometer utilizes sensor that requires less than 5 mL of sample to accurately determine viscosity of solution. Connecting into ¼ in. process line using quick-release sanitary connections, it has integrated heater for tight temperature control under flow conditions up to 1 ft/sec. All wetted parts are stainless steel, and piston is in constant motion, so sampling area is continually scrubbed clean.

Malvern Instruments Inc.    Westborough, MA 01581
Apr 30, 2010 Viscotek Triple Detector Array includes viscometer, with 316 SS transducer construction, that provides viscosity and structural information for range of biomolecules and natural/synthetic polymers. Viscometer uses digital inert transducer for sensitive response to viscosity changes. Also suitable for protein analysis, viscosity component of gel permeation/size exclusion chromatography platform has inert capillaries in measuring flow path suitable for biomolecule applications.

RheoSense, Inc.    San Ramon, CA 94583
Aug 28, 2009 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.

Brookfield Engineering Laboratories, Inc.    Middleboro, MA 02346
Mar 27, 2009 Falling ball viscometers, Model KF10 and KF20 provide viscosity measurement of transparent Newtonian fluids. Both models include set of 6 balls, each with separate viscosity measurement range and temperature probe. DIN 53015 compliant KF10 features fixed angle of 80 degrees, while KF20 provides variable angle settings for testing variety of materials.

Brookfield Engineering Laboratories, Inc.    Middleboro, MA 02346
Mar 13, 2009 DV-II+Pro EXTRA Viscometer comes with Ball Bearing Suspension System, which delivers extended durability for instruments that experience heavy use, multiple operators, or dusty/dirty work environments. Also included, EZ-Lock Spindle Coupling accelerates and facilitates process of attaching/detaching spindles in busy laboratory environments. To accelerate positioning, included Quick Action Lab Stand lets users move viscometer up and down by pressing one button.

ATS RheoSystems    Bordentown, NJ 08505
Nov 26, 2008 With built in Peltier temperature control for all measuring systems, including cone and plate, parallel plate, and concentric cylinder systems, MERLIN viscometer performs both routine rheological tests, such as single point viscosity checks for QC, to complex rheological evaluations for R&D. Viscometer has angular velocity range from 0.01-200 rad/sec, torque range from 0.005-20 mNm, 5-85°C temperature range, and employs quick capture mounting technology.

Vindum Engineering, Inc    San Ramon, CA 94583
Oct 30, 2008 Suited for continuous process control or batch checking, maintenance-free Hydramotion Viscometer will measure viscosity of fluids that are as liquid as water or as viscous as tar. Vibrating probe is placed in fluid and electronics calculate viscosity from energy loss. Output signal can be used to control various feeds in production processes such as heavy crude oils, paint lines, or ink manufacturing. User can also dip viscometer into sample for spot checking production consistency.

Brookfield Engineering Laboratories, Inc.    Middleboro, MA 02346
Jul 07, 2008 DV-II+Pro viscometer provides continuous viscosity sensing, temperature measurement, and data display. It offers single point viscosity measurement or can be configured to run automated tests in standalone mode for comprehensive flow curve characterization without involvement of operator or computer. Providing bi-directional communication when used with any dedicated computer, unit can be controlled by computer when utilizing Rheocalc32 software.

RheoSense, Inc.    San Ramon, CA 94583
May 02, 2008 Offered as MEMS-based paradigm for liquid flow management, VROC(TM) can obtain accurate viscosity measurements at high shear rates. Viscometer/Rheometer-on-a-Chip technology enables microliter size samples to be used for high-resolution, repeatable viscosity measurement. Technology allows viscosity characterization at conditions occurring in actual applications, VROC(TM) family type C chip demonstrates viscosity measurements at greater than 250,000 reciprocal seconds.

GRABNER INSTRUMENTS Messtechnik GmbH    Wien A-1220  Austria
Jan 03, 2008 Suited for heavy-duty environments and applications in mobile laboratories, MINIVIS 445 Portable Micro-Viscometer combines falling ball viscometer with advanced density meter, automatic filling system, and temperature control. It determines viscosity (0.2-2,000 cSt) of fuels, oils, and petrochemical products as well as other liquids. Built-in Peltier elements provide temperature control, and viscosity index is automatically measured and calculated.

Viscotek Corp.    Houston, TX 77060
Aug 14, 2007 Automated Relative Viscometer (ARV) System determines relative, intrinsic, inherent, specific, and absolute viscosity as well as molecular weight. Dual-capillary Viscotek Relative Viscometer enables measuring viscosities of dilute polymer solutions. System also includes Vortex Integrated Autosampler/Autopreparation Module for automated sample preparation and delivery and ETA software for data acquisition, processing, reporting, and system control.

Norcross Corp.    Newton, MA 02458 1829
Jul 09, 2007 Able to distinguish between boiling and ambient water, LabPak(TM) Viscometer utilizes piston to measure time-of-fall up to 20 sec, with accuracy to within 0.1 sec. Bench top unit can measure changes in viscosity as small as 0.02 cps, depending upon water- or solvent-based liquids being measured. Consisting of all stainless steel wetted parts and open rod construction, viscometer includes removable sleeve that accommodates samples down to 6 ml.

RheoSense, Inc.    San Ramon, CA 94583
Jun 27, 2007 VROC(TM) is flow-thru viscometer- and rheometer-on-a-chip with multiple sensors and micro fluidic interfaces that measure true viscosity, pressure, flow rate, and temperature. Able to measure from millionth-of-a-liter samples, device enables liquid characterization in challenging situations, such as those with high shear rates. System is suited for chemists and engineers involved in R&D and quality control of complex liquids tested in lab or real-time at reactor.

Viscotek Corp.    Houston, TX 77060
Jun 08, 2007 Model 802-DLS combines single mode fibre technology and 3-axis, automated platform. High Throughput Dynamic Light Scattering instrument uses Dual Attenuation Technology to control level of light entering sample as well as scattered light going to detector. Researchers are able to work at optimum conditions for laser and detector, regardless of sample type, as product automatically adjusts to optimal setting sample by sample.

Brookfield Engineering Laboratories, Inc.    Middleboro, MA 02346
Jan 30, 2007 DV-I Prime Viscometer includes keypad with timed option and print buttons, tabular and graphical display, and printer output connection for sending data directly to printer or file. It allows users to collect, analyze, and record test data within application or export data files to Excel. RS-232 PC interface enables use with optional Wingather Software, and devices with temperature sensing option have temperature offset capability to ±1°C.

RheoSense, Inc.    San Ramon, CA 94583
Oct 27, 2006 Viscometer-on-a-Chip measures viscosity and temperature as test liquid flows through integrated micro-channel and micro slit rheometer. Non-Newtonian viscosity is extracted by 2D Rabinowitch correction, and measurement data is displayed and analyzed by microcontroller based read-out circuit. Shear rate ranges up to 10⁶ (1/s) can be measured over 10^-2-10⁴ Poise. Chip can also be adjusted to read flow rates for samples with constant viscosity.

SenGenuity, a division of Vectron International    Hudson, NH 03051
Jul 25, 2006 With ViscProfi(TM) Connectivity Modules, real-time viscosity and temperature measurements can be acquired by Profibus control systems. One version of the module supports up to 4 ViSmart(TM) viscosity sensors, while another supports 8. Units work with any Profibus DP control system as well as ViscNet(TM) control hub to provide continuous audit trail for process monitoring. Measuring 1.3 x 1.1 x 0.4 in., ViSmart(TM) viscometer is completely sealed and suited for embedded and in-line applications.

Brookfield Engineering Laboratories, Inc.    Middleboro, MA 02346
Apr 04, 2006 Suited for viscometers and rheometers, UL Adapter features long spindle coupling, open-face bracket, and thumbwheel design that lets operator slide chamber down and out. Water jacket sleeve remains attached to viscometer while chamber and/or spindle are removed. With end cap removed, open tube can be used in beaker or tank. With cap in place, closed tube can be immersed in temperature bath or used with water jacket for temperature control. Working temperature range is -15 to 100°C.