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LABORATORY VISCOMETERS | ACCESSORIES

Brookfield is the world's leading manufacturer of viscometers for laboratory and on-line process applications. Brookfield instruments use a rotating spindle immersed in the fluid to measure viscosity.

• Laboratory Viscometers and Rheometers include Dial-Reading and Digital Models for use in Quality Control Departments and R & D Labs. 

• Accessories increase the measuring range of a viscometer.

Proven applications include paints, coatings, inks, resins, foods, oils, chemicals, cosmetics, and pharmaceuticals.

  New from Brookfield: 

- The Ball Bearing Suspension System that can be purchased as an option for new viscometers and rheometers as well as a retrofit on your current instrument! Details here.

- The EZ-Lock Spindle Coupling System, perfect for the busy lab and/or multiple user environments, a system that allows to safely change spindles in less time. Details here.

Please contact us if you need pricing or details on the above systems.

  Laboratory Viscometers

Dial Reading (Analog) Viscometer	Low Cost Digital Readout Viscometer (DV-E)	Digital Viscometer (DV-I Prime) .
Programmable Digital Viscometer (DV-II+PRO)	Rheometer (DV-III ULTRA)	R/S Controlled Stress Rheometer
R/S Soft Solids Tester	Yield Rheometer YR-1	High Pressure Rheometer PVS
CAP 1000+/2000+	Wells-Brookfield Cone/Plate	KU-2 Krebs Units Digital Viscometer

New low price! Now CDN$2,038.00 - contact us for more information or to order! DV-E Low Cost Digital Viscometer The DV-E combines economy and ease of operation with traditional Brookfield excellence. The Brookfield DV-E has set a new world standard for value in viscosity measurement. Simplified controls allow operators to change test parameters quickly with the push of a switch and turn of a knob. The digital display ensures easy and accurate readout of test results for simultaneous measurement of viscosity and torque. Quality of manufacture guarantees reliable performance and long life. Low Cost and Easy to Use Direct Display in: cP or mPa·s % Torque, Spindle, and Speed 18 Speeds for Greater Range Capability (0.3 to 100 rpm) Accuracy 1%, Repeatability: 0.2% Can be used with the following Brookfield accessories: Thermosel® System, UL Adapter™, Small Sample Adapter, Viscosity Standard Fluids, Temperature Baths Speeds and Ranges   TOP

DV-I Prime A continuous sensing capability for rapid viscosity measurement makes this economical digital viscometer a standout. Measures viscosity and temperature simultaneously (with an optional temperature probe). With its timed measurement function, data can easily be sent to a PC or printer. Optional software allows the DV-I Prime to collect, analyze and record test data. Senses and Displays Continuously: Viscosity (cP or mPa·s) Temperature (°C or °F) (OPTIONAL) % scale (Brookfield) Speed (rpm) Spindle used Select all functions from user-friendly keypad Choice of 18 rotational speeds Optional RTD Temperature Probe; Temperature off-set capability to ±5°C Auto-zero and auto-range Warns of under- or over-range condition Direct output to chart recorder Timed Stop Feature to measure viscosity at precise user specified time interval Time To Torque Feature to measure the time interval for sample to reach user defined torque value Compatible with all Brookfield accessories NIST traceable viscosity standards available Traditional Brookfield accuracy: ±1.0% of range, Repeatability: 0.2% LV, RV, HA, and HA torque ranges available…. Can be used with the following Brookfield accessories: Thermosel® System, UL Adapter™, Small Sample Adapter, Viscosity Standard Fluids, Temperature Baths Speeds and Ranges TOP

DV-II+ PRO Viscometers The DV-II+PRO Programmable Digital Viscometer combines traditional Brookfield accuracy, reliability, and versatility with the advantages of electronic sensing, indication, and output. Features And Benefits Continuous display of: Viscosity (cP or mPa·s), Temperature (°C or °F), Shear Rate, Shear Stress, % Torque, Spindle 54 selectable speeds provide superior range of viscosity/shear measurements LV, RV, HA, and HA torque ranges available. Built-in RTD temperature probe for sample monitoring Easy-to-use keypad for simple selection of test parameters Auto Range feature to display viscosity limits Customizable options Download custom programs with DV Loader software (included) Automated program control by PC running optional Rheocalc® software; speed control from 0.01 to 200 rpm. Parallel printer, serial RS-232, and analog voltage outputs Automatic data collection and historical comparison with optional Wingather™ software Comes with the appropriate spindles, DV Loader program, viscometer stand, guard leg, temperature probe and carrying case Can be used with the following Brookfield accessories: Thermosel® System, UL Adapter™, Small Sample Adapter, Viscosity Standard Fluids, Temperature Baths Speeds and Ranges TOP

DV-III Ultra Rheometers - now with Yield Stress measurement capability Why a Rheometer? - A Rheometer measures and analyzes minute as well as broad changes in a material's rheological structure - the way fluids and semi-solid materials flow. This is accomplished by varying shear rates in micro increments. Features And Benefits The "tool" to easily predict a material's flow, spray, or pumping behavior by studying shear rate profiles Continuous display of: Viscosity (cP or mPa·s), Temperature (°C or °F), Shear Rate, Shear Stress, % Torque, Spindle, Program status 2600 speeds for incredible characterization possibilities New Yield Stress measurement feature to characterize startup flow behavior; works with the EZ-Yield software application LV, RV, HA, and HA torque ranges available Built-in RTD temperature probe for sample monitoring Easy-to-use keypad with numeric keys for stand-alone program entry Stand-alone programming: Enter program requirements, start program, see the results on the built-in display Download custom programs with RheoLoader software (included) Customizable options Built-in Math Models: Models provide data analysis without the use of external software. Casson Yield Values, NCA/CMA Casson (Chocolate), Power Law, Bingham Plastic and IPC Paste Analysis calculations are included Parallel printer, serial RS-232, and analog voltage outputs Computer programmable using optional Rheocalc®; software lets you control all aspects of Rheological testing directly from the computer Comes with the appropriate spindles, RheoLoader program, viscometer stand, guard leg, temperature probe and carrying case   Can be used with the following Brookfield accessories: Thermosel® System, UL Adapter™, Small Sample Adapter, Viscosity Standard Fluids, Temperature Baths Speeds and Ranges TOP

R/S+ Controlled Stress Rheometer
Sophisticated Rheological Analysis At An Affordable Price

When you need Controlled Stress and Controlled Rate Measurements, the R/S+ Rheometer should be your first choice: A powerful tool at an affordable price.

Features And Benefits

• Controlled stress/rate makes it easy to study a materials' response from 0 shear up to 4800 sec^-1
• Rugged design means years of trouble-free operation
• Rapid spindle attachment; easy to clean; saves time
• More for your money - comparable to instruments costing much more
• Available in coaxial cylinder, cone/plate, or plate/plate
• Quick and easy gap setting for cone/plate and plate/plate models
• Variety of sample temperature control: Brookfield water bath, Peltier Plate, or electronic heating
• Easy to view display and user friendly keypad for stand-alone operation
• RS-232 output for use with powerful Rheo2000 control and data analysis software

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  R/S Soft Solids Tester SST
for Foods, Cosmetics, Sealants, Gels, Pastes...

The R/S Soft Solids Tester is a controlled rate/controlled stress rotational rheometer featuring vane spindles designed to measure "lumpy" or viscoelastic materials.

• Vane spindle geometry allows spindle insertion without compromising sample structure
• Easy-to-test method for materials with particulates, slurries, and stiff pastes
• Provides data that relates to viscoelastic characteristics such as yield stress, shear modulus (stiffness of material structure when intact) and creep
• Quantifies meaningful properties like wobbliness, sloppiness, consistency and texture
• Automated data analysis under PC control
• Rugged design for years of trouble-free operation in QC and R&D applications
• Can also be used with coaxial cylinders for flow curve analysis
• Optional Rheo200 software with Soft Solids Module allows you to program the R/S-SST and generate data such as yield point, shear modulus, creep and relaxation

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YR-1 Yield Rheometer
Finally a Yield Test Rheometer for QC!

• Simple to use
• Use in the QC lab or on the production floor
• Excellent repeatability
• Traditional Brookfield quality
• Affordable
• Built-in RTD temperature probe
• Complete with vane spindles
• Complete with EZ-Yield software
• Parallel printer, serial RS-232, and analog voltage outputs

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High Pressure PVS Rheometer

The PVS is a dynamic coaxial cylinder, controlled shear rate rheometer allowing quick and easy viscosity measurements under pressure at temperatures where sample boil-off is a problem.
The PVS can be used to simulate process conditions for small fluid samples in a laboratory benchtop environment. Applications include chemical compounds containing volatile materials, oil industry, drilling muds and fracturing fluids, processed foods, polymers and paints. Any test sample requiring absolute viscosity measurement under totally enclosed conditions is a viable candidate.

• Portable site-to-site mobility

• Designed to operate in severe environments

• Quick and easy to operate

• Measures samples at high pressure upt to 1000 psi

  • Safety relief valve included

• Measures under extreme temperature conditions: -40°C to +200°C

  • RTD temperature sensor on the inner cylnider surface insures accurate sample temperature

• Simulation of In-Process conditions

  • Down Hole

  • Cooking

  • Blending

  • Reactors

• Robust motor capable of speeds upt to 1000 RPM

  • Outside cylinder rotates at shear rates up to 1700 sec-1, spindle inside remains stationary

• Available with triple annulus geometry for increased sensitivity when measuring low viscosity fluids

• Quick and easy setup

• Complete with choice of spindle (bob), cup, Rheovision Software and computer

• Industrial standards

Please contact us for more details.

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CAP 1000+/2000+
Cone & Plate System That's Perfect For R&D (2000+) and QC (1000+)

High Shear Rate Viscometers

The CAP Viscometer was originally designed to provide a high shear rate test for paints and coatings that simulates material behavior in rolling, brushing, and spraying applications. The versatility of the CAP design makes it a practical tool for any QC or R&D lab requiring quick easy testing of materials, regardless, of application, at high shear rates.
Applications include paints, resins, foods, cosmetics, pharmaceuticals, dispersions, coatings, and inks.

• Shear rates from 13 sec-1 to 13,000 sec-1
• Variable shear rate (CAP 2000+)
• Cone and plate geometry (choice of 10 spindles)
• Small sample size (less than 1 ml)
• Automatic cone gap positioning
• Automatic viscosity range calibration
• Rapid sample temperature control on plate surface
• Digital settings and display (CGS or SI units)
• PC control with RS-232 serial interface (CAP 2000+) using Brookfield Capcalc32 software
• Parallel printer interface to document data
• Timed test capability
• Sample number identification
• Easy test set up and clean up
• Rapid test performance
• Two temperature ranges: 5°C to 75°C OR 50°C to 235°C
• NIST traceable viscosity standards available
• Choice of one cone spindle supplied with viscometer (extras available)

CAP1000+ is a single speed viscometer:

• 5, 50, 500, 750 or 900 rpm

CAP2000+ is a variable speed viscometer:

• 5 to 1000 rpm in 1 rpm steps

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Wells-Brookfield Cone/Plate

The Wells-Brookfield Cone/Plate Viscometer gives researchers a sophisticated instrument for routinely determining absolute viscosity of fluids in small sample volumes. Its cone and plate geometry provides the precision necessary for development of complete rheological data.

Versatility of Application

• The Wells-Brookfield Cone/Plate Viscometer provides a wide variety of shear rates and viscosity ranges, which can be further extended by the use of interchangeable cone spindles. Different models can be selected to meet the specific range of viscosities and shear rates required. (Range Table)
• Shear rates as high as 1875 sec-1 (with DV-III Ultra Rheometer) can be achieved.
• The small sample volume required permits rheological evaluations to be made on materials where sample availability is limited, such as biological fluids and thick film coatings that contain precious metals.
• All wetted parts are stainless steel for corrosion resistance and ease of cleaning.
• Optional purge fitting, luer fitting, and embedded temperature probe available.

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KU-2 Krebs Units Digital Viscometer

• Continuous sensing and display in Krebs units, grams or cP
• Allows rapid sample measurement to determine required consistency
• Expanded measurement range (40 to 141 KU; 32 to 1099 g)
• Accuracy to ±1% of range
• Reproducibility to ±0.5% of range
• Output to parallel printer for automatic test documentation
• Easy to use; no weights; simplifies an established test procedure
• Compatible with industry specification (ASTM D562)
• Base accommodates standard pint, 1/2 pint, and quart cans
• Optional air purge allows interior of KU-1+ to be pressurized with air or inert gas.
• The optional paste spindle is suitable for use with high consistency materials such as roller mil pastes.
• NIST traceable viscosity standards available

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Accessories

The Small Sample Adapter (SSA), consisting of a cylindrical sample chamber and spindle, provides a defined system for accurate viscosity measurements of small sample volumes in the order of 2 to 16 ml. Call for details	The Ultra Low Adapter™ (ULA) accessory is used with Brookfield Viscometers/Rheometers to make accurate and reproducible measurements on low viscosity materials. The adapter is usable with all standard Viscometers/Rheometers (excluding Cone/Plate models). It is commonly used with the LV series instrument (at 60 rpm, these models have full scale range of 1 - 10 cP with the ULA). Call for details
The difficulty with viscosity measurements of hot melts and liquids at elevated temperatures has been in maintaining accurate temperature control that is consistent from sample to sample, so that meaningful data could be obtained. The Brookfield Thermosel® solves this problem by providing a stable, precisely controlled sample environment. This, together with the inherent accuracy of the Brookfield Viscometer, is fundamental to the Thermosel® System, which produces viscosity measurements that are not only accurate, but entirely reproducible. Call for details	The Brookfield Helipath™ Stand, when used with a suitable Brookfield Viscometer/Rheometer fitted with a special T-bar type spindle, will permit viscosity/consistency measurements in relative centipoise values for materials having characteristics similar to paste, putty, cream, gelatin, or wax. Call for details
Detecting changes in your sample's properties is valuable information for predicting your product's performance. Temperature control during viscosity measurement helps insure accurate test results. The addition of a Brookfield Circulating Bath is a smart investment. Digital Controllers and Programable Controllers are available. Call for details	Brookfield Viscosity Standard Fluids provide a convenient, reliable way to verify the calibration of your Brookfield Laboratory Viscometers/Rheometers. Brookfield Viscosity Standards are Newtonian, and they are available as either silicone or oil. Brookfield Viscosity Standard Fluids are accurate to ±1% of the stated viscosity and are certified by methods traceable to the United States National Institute of Standards and Technology (NIST). The selection of one or two fluids will normally provide sufficient measurement points to verify calibration of your instrument. All fluids are supplied in ½ liter (1 pint) containers and with a certificate of calibration. Call for details

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