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Viscometers

Viscometers

Touch Screen Viscometer
DV2T

The New DV2T Viscometer features a 5-inch color display to guide users through test creation and data gathering for fast and easy viscosity measurements. The DV2T also offers powerful new programming capabilities and results analysis including data averaging and QC limits with alarms. User instructions with multi-step test protocols can be created using the new Program Generator Software and uploaded to the DV2T through a USB Flash Drive (both included with instrument). Test Data can be recorded directly on a local printer or sent to a PC. Additional automated control and data collection can be achieved with optional RheocalcT software.
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Features and Benefits

  • 5-inch full color, touch screen display supports multiple languages
  • Displayed info includes: viscosity (cP/mP·s), temperature (°C/°F), shear rate/stress, % torque, spindle/speed, step program status
  • Enhanced security provides customizable user levels and password access.
  • Built-In options include timed tests, data averaging, programmable QC limits/alarms, customizable speed/spindle lists, on screen data comparison
  • Auto range shows maximum viscosity measured with any spindle/speed combination
  • USB PC interface provides optional computer control and automatic data gathering capability Download custom test programs with included PG Flash software 
  • Front-facing bubble level for convenient viewing
  • Built-in temperature probe
  • Accuracy of ±1.0% of range with displayed test data
  • Repeatability of ±0.2%
  • NIST traceable viscosity standards available
  • Also available: New magnetic coupling system, durable ball bearing suspension system, quick action lab stand and RheocalcT 

Each of our standard Laboratory Viscometers/ Rheometers are supplied with an internal spring used to calculate the viscosity of a material. These springs have different measuring capabilities:

What's Included

Instrument
6 spindles (RV/HA/HB)
or 4 spindles (LV)
PG Flash Software
RTD Temperature Probe
Spindle Guard Leg*
Lab Stand (Model G)
Screen Protector
Carrying Case

Specification

VISCOSITY RANGE
cP (mPa•s)

SPEEDS

MODEL

Min.

Max.

RPM

Number of Increments

DV2TLV

1†

6M

.1-200

200

DV2TRV

100††

40M

.1-200

200

DV2THA

200††

80M

.1-200

200

DV2THB

800††

320M

.1-200

200

† 1 cP achieved with UL Adapter accessory. 15 cP on LV with standard spindles.
††Minimum viscosity is achieved with optional RV/HA/HB spindle.
M=1 million cP=Centipoise mPa·s=Millipascal·seconds

Spring Torque

SPRING TORQUE

MODEL

Dyne-cm

Milli Newton-m

DV2TLV

673.7

0.0673

DV2TRV

7,187.0

0.7187

DV2THA

14,374.0

1.4374

DV2THB

57,496.0

5.7496

Thermosel System

For elevated temperature testing of hot melts, asphalt, wax and polymers

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 Viscometers, is fundamental to the Thermosel System, which produces viscosity measurements that are not only accurate but entirely reproducible.

Several factors contribute to the stable environment:

  • Non-fluctuating temperature control.
  • Small sample volume and insulated sample chamber which reduces temperature gradients within the sample.
  • The rotating spindle, which acts as a built-in stirring device.
  • The test procedure is quite straightforward. Once familiar with the system, unskilled operators can easily produce accurate, reproducible data.

FEATURES & BENEFITS

  • Provides control of sample temperature up to +300°C
  • Programmable Controller offers single set point or up to 10 programmable set points. Temperature ramping between set points is possible if used with RheocalcT Software
    Note: Requires optional cable HT-106 when QC control with RheocalcT is implemented.
  • Compatible with standard Brookfield Viscometers and DV3T Rheometers
    Note: requires optional cable DVP-141 when controlled by DV3T Rheometer
  • Supplied with reusable stainless steel sample container and five disposable aluminum sample chambers
  • Outputs: 0-4 Vdc for chart recorder; RS-232 for use with DV3T and/or RheocalcT

DISPOSABLE SPINDLE/CHAMBERS OPTION

Disposable sample chamber with Disposable Spindle SC4-27D* is ideal for asphalts or any difficult-to-clean material. Requires special adapter (SC4-DSY).
*Optional SC4-27D is available in quantities of 100, (SC4-27D-100).

MAGNETIC COUPLING OPTION

The Thermosel is also available to purchase with a magnetic spindle couple system. This option allows spindles to be quickly attached and removed, and may also help prevent against damage that can occur from frequent spindle changes or multiple users. Please contact Brookfield or an authorized dealer for details and part numbers. 

What's Included

Choice of one SC4 Spindle*
Alignment Bracket
Thermo Container with safety guard and insulating cap
One Removable Sample Chamber
Five Disposable Sample Chambers
Extracting Tools
Temperature Controller with an RTD probe

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