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hts-VROC® Viscometer — High Temperature, High Shear Viscosity

hts-VROC® provides the same features and specifications as m-VROC® with the added capability to measure at temperatures as high as 105 °C.

hts-VROC with no background

 

VISCOMETER SPECIFICATIONS 

Minimum Sample Volume 50 μL
Shear Rate Range 0.5 – 1,400,000 s-1
Viscosity Range  0.2 – 100,000 mPa-s (cP)
Temperature Range 4 - 105 °C
Temperature Stability ~+/- 0.07 °C
Repeatability Up To 0.5% of Reading
Accuracy ~+/- 0.5% Reading
Shear Sweeps Yes
Temperature Sweeps Yes
Typical Test Time <1 min

hts-VROC® Viscometer — High Temperature Viscosity

Because viscosity is heavily dependent on temperature, all RheoSense viscometers come with the option of adding temperature control. Different applications may require high temperature viscosity analysis for instance, the oil/lubricant industry. When working with lubricants, specific shear rates and temperature ranges have to be tested to mimic the conditions in which the lubricants will actually perform in such as in the bearings of internal combustion engines. 

To meet this requirement, RheoSense introduced the hts-VROC® model. This system provides the same features and specifications as m-VROC®, but hts-VROC® provides the added capability to measure at temperatures as high as 105 °C.

hts-VROC® Viscometer — High Temperature Viscosity

  • Minimum sample volume: 50 µL
  • Shear Rate Range, s-1: 0.5 – 1,400,000 s-1
  • Viscosity Range: 0.2 – 100,000 mPa-s (cP)
  • Temperature Stability: ~ +/- 0.07 °C
  • Accuracy: Up to 2% of Reading
  • Temperature Range: 4  – 105 °C**
  • Shear Rate & Temperature Sweeps: Yes
  • Sample Measuring Time: <1 min
  • Non-Newtonian: Yes
  • Repeatability: Up To 0.5% of Reading
  • Evaporation, Air/Liquid Interference: No
Chip Configurations
 
Chip Types Flow Channel Depth (microns)  Max. Pressure (Pa-s) Max. Shear Rate (1/s) Application
A 50
100
200
300
10k Pa Full Scale

56,000

Small Sample
Low Viscosity

B 50
100
200
300
40k Pa Full Scale 100,000 Small Sample
Medium Viscosity
C 50
100
200
300
200k Pa Full Scale 200,000 Small Sample
High Viscosity
E 50
100
200
1.8M Pa Full Scale 1,400,000  High Shear 

hts-VROC® Viscometer — High Temperature Viscosity 

Operate Your hts-VROC® In Three Steps:

three easy steps to operate the hts-VROC

hts-VROC® Viscometer — High Temperature Viscosity 

KEY APPLICATIONS

hts-VROC provides extensional viscosity data by monitoring the sample flow through a microfluidic
channel. The system measures the change in pressure using the MEMS pressure sensors, and it registers changes in the flow.

Applications include:

  • Polymers
  • Fiber extrusion spinnerets
  • Paint rolling
  • Blow molding
  • Ink jet printer nozzles
  • Sheet or film drawing
  • Flow through a porous media

DOWNLOAD APPLICATION NOTE Visit our Application Library

hts-VROC® Viscometer — High Temperature Viscosity

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