thermosel system

Thermosel System

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.
Category:

Description

FEATURES Thermosel System

  • 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

SPECIFICATIONS

Thermosel Adapter Viscosity Ranges cP (mPa·s)
SPINDLE
SAMPLE VOLUME
SHEAR RATE
(SEC-1) † MODEL		 SC4-18 8mL 1.32N SC4-31 10mL .34N SC4-34 9.5mL .28N SC4-21 8mL .93N SC4-27* 10.5mL .34N
LVDV3T 1.2-30K 12-300K 24-600K Not applicable for historical
LVDV2T 1.5-30K 15-300K 30-600K reasons. However, it is possible
DV1MLV 3-10K 30-100K 60-200K to use the above spindles
LVDVE 3-10K 30-100K 60-200K with any of these instruments.
LVT 5-10K 50-100K 100-200K Digital Viscometers/Rheometers
RVDV3T 20-500K 100-2.5M
RVDV2T 25-500K 125-2.5M
DV1MRV 50-170K 250-830K
RVDVE 50-170K 250-830K
RVT will automatically calculate 50-100K 250-500K
HADV3T viscosity. Please contact 40-1M 200-5M
HADV2T Brookfield or an authorized 50-1M 250-5M
DV1MHA dealer if you require 100-300K 500-1.7M
HADVE Information on viscosity range. 100-300K 500-1.7M
HAT 100-200K 500-1M
HBDV3T 160-M 800-20M
HBDV2T 200-4M 1K-20M
DV1MHB 400-1.3M 2K-6.7M
HBDVE 400-1.3M 2K-6.7M
HBT 400-800K 2K-4M

 

Thermosel Adapter Viscosity Ranges cP (mPa·s)
SPINDLE
SAMPLE VOLUME
SHEAR RATE (SEC-1) †
MODEL		 SC4-28
11.5mL
.28N		 SC4-29
13mL
.25N		 HT-DIN-81**
7mL
1.29N
LVDV3T 1.0-10K
LVDV2T Not applicable for historical reasons. 3.4-10K
DV1MLV See note above. 3.4-10K
LVDVE N/A
LVT 5.7-10K
RVDV3T 200-5M 400-10M 14.6-10K
RVDV2T 250-5M 500-10M 36.5-10K
DV1MRV 500-1.7M 1K-3.3M 36.5-10K
RVDVE 500-1.7M 1K-3.3M N/A
RVT 500-1M 1K-2M 36.5-10K
HADV3T 400-10M 800-20M 29.2-10K
HADV2T 500-10M 1K-20M 73.0-10K
DV1MHA 1K-3.3M 2K-6.7M 73.0-10K
HADVE 1K-3.3M 2K-6.7M N/A
HAT 1K-2M 2K-4M 73.0-10K
HBDV3T 1.6K-40M 3.2K-80M 116.8-10K
HBDV2T 2K-40M 4K-80M 292.0-10K
DV1MHB 4K-13.3M 8K-26.7M 292.0-10K
HBDVE 4K-13.3M 8K-26.7M N/A
HBT 4K-8M 8K-16M 292.0-10K

M=1 million K=1 thousand N=RPM cP=centipoise mPa·s=Millipascal·seconds
† Spindle SC4-18 1.32×10(rpm)=13.2 sec-1
*Optional disposable SC4-27D spindle is available in quantities of 100, Part No. SC4-27D-100. Requires special chuck/closer, Part No. SC4-DSY, for attachment to viscometer.
**The 81 spindle, Part No. HT-DIN-81, works in an HT-2 or HT-2DB chamber.

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More Information
https://www.brookfieldengineering.com/products/temperature-control/thermosel-system

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